13 files changed, 497 insertions, 409 deletions

diff --git a/scene/2d/audio_stream_player_2d.cpp b/scene/2d/audio_stream_player_2d.cpp
index e0b994f27d..ea491e8b0e 100644
--- a/scene/2d/audio_stream_player_2d.cpp
+++ b/scene/2d/audio_stream_player_2d.cpp
@@ -33,125 +33,17 @@
 #include "scene/2d/area_2d.h"
 #include "scene/main/window.h"
 
-void AudioStreamPlayer2D::_mix_audio() {
-	if (!stream_playback.is_valid() || !active.is_set() ||
-			(stream_paused && !stream_paused_fade_out)) {
-		return;
-	}
-
-	if (setseek.get() >= 0.0) {
-		stream_playback->start(setseek.get());
-		setseek.set(-1.0); //reset seek
-	}
-
-	//get data
-	AudioFrame *buffer = mix_buffer.ptrw();
-	int buffer_size = mix_buffer.size();
-
-	if (stream_paused_fade_out) {
-		// Short fadeout ramp
-		buffer_size = MIN(buffer_size, 128);
-	}
-
-	stream_playback->mix(buffer, pitch_scale, buffer_size);
-
-	//write all outputs
-	int oc = output_count.get();
-	for (int i = 0; i < oc; i++) {
-		Output current = outputs[i];
-
-		//see if current output exists, to keep volume ramp
-		bool found = false;
-		for (int j = i; j < prev_output_count; j++) {
-			if (prev_outputs[j].viewport == current.viewport) {
-				if (j != i) {
-					SWAP(prev_outputs[j], prev_outputs[i]);
-				}
-				found = true;
-				break;
-			}
-		}
-
-		if (!found) {
-			//create new if was not used before
-			if (prev_output_count < MAX_OUTPUTS) {
-				prev_outputs[prev_output_count] = prev_outputs[i]; //may be owned by another viewport
-				prev_output_count++;
-			}
-			prev_outputs[i] = current;
-		}
-
-		//mix!
-		AudioFrame target_volume = stream_paused_fade_out ? AudioFrame(0.f, 0.f) : current.vol;
-		AudioFrame vol_prev = stream_paused_fade_in ? AudioFrame(0.f, 0.f) : prev_outputs[i].vol;
-		AudioFrame vol_inc = (target_volume - vol_prev) / float(buffer_size);
-		AudioFrame vol = vol_prev;
-
-		int cc = AudioServer::get_singleton()->get_channel_count();
-
-		if (cc == 1) {
-			if (!AudioServer::get_singleton()->thread_has_channel_mix_buffer(current.bus_index, 0)) {
-				continue; //may have been removed
-			}
-
-			AudioFrame *target = AudioServer::get_singleton()->thread_get_channel_mix_buffer(current.bus_index, 0);
-
-			for (int j = 0; j < buffer_size; j++) {
-				target[j] += buffer[j] * vol;
-				vol += vol_inc;
-			}
-
-		} else {
-			AudioFrame *targets[4];
-			bool valid = true;
-
-			for (int k = 0; k < cc; k++) {
-				if (!AudioServer::get_singleton()->thread_has_channel_mix_buffer(current.bus_index, k)) {
-					valid = false; //may have been removed
-					break;
-				}
-
-				targets[k] = AudioServer::get_singleton()->thread_get_channel_mix_buffer(current.bus_index, k);
-			}
-
-			if (!valid) {
-				continue;
-			}
-
-			for (int j = 0; j < buffer_size; j++) {
-				AudioFrame frame = buffer[j] * vol;
-				for (int k = 0; k < cc; k++) {
-					targets[k][j] += frame;
-				}
-				vol += vol_inc;
-			}
-		}
-
-		prev_outputs[i] = current;
-	}
-
-	prev_output_count = oc;
-
-	//stream is no longer active, disable this.
-	if (!stream_playback->is_playing()) {
-		active.clear();
-	}
-
-	output_ready.clear();
-	stream_paused_fade_in = false;
-	stream_paused_fade_out = false;
-}
-
 void AudioStreamPlayer2D::_notification(int p_what) {
 	if (p_what == NOTIFICATION_ENTER_TREE) {
-		AudioServer::get_singleton()->add_callback(_mix_audios, this);
+		AudioServer::get_singleton()->add_listener_changed_callback(_listener_changed_cb, this);
 		if (autoplay && !Engine::get_singleton()->is_editor_hint()) {
 			play();
 		}
 	}
 
 	if (p_what == NOTIFICATION_EXIT_TREE) {
-		AudioServer::get_singleton()->remove_callback(_mix_audios, this);
+		stop();
+		AudioServer::get_singleton()->remove_listener_changed_callback(_listener_changed_cb, this);
 	}
 
 	if (p_what == NOTIFICATION_PAUSED) {
@@ -168,116 +60,129 @@ void AudioStreamPlayer2D::_notification(int p_what) {
 	if (p_what == NOTIFICATION_INTERNAL_PHYSICS_PROCESS) {
 		//update anything related to position first, if possible of course
 
-		if (!output_ready.is_set()) {
-			Ref<World2D> world_2d = get_world_2d();
-			ERR_FAIL_COND(world_2d.is_null());
+		if (!stream_playback.is_valid()) {
+			return;
+		}
+		if (setplay.get() >= 0 || (active.is_set() && last_mix_count != AudioServer::get_singleton()->get_mix_count())) {
+			_update_panning();
+			if (setplay.get() >= 0) {
+				active.set();
+				AudioServer::get_singleton()->start_playback_stream(stream_playback, _get_actual_bus(), volume_vector, setplay.get());
+				setplay.set(-1);
+			}
+		}
+
+		// Stop playing if no longer active.
+		if (active.is_set() && !AudioServer::get_singleton()->is_playback_active(stream_playback)) {
+			active.clear();
+			set_physics_process_internal(false);
+			emit_signal(SNAME("finished"));
+		}
+	}
+}
 
-			int new_output_count = 0;
+StringName AudioStreamPlayer2D::_get_actual_bus() {
+	if (!stream_playback.is_valid()) {
+		return SNAME("Master");
+	}
 
-			Vector2 global_pos = get_global_position();
+	Vector2 global_pos = get_global_position();
 
-			int bus_index = AudioServer::get_singleton()->thread_find_bus_index(bus);
+	//check if any area is diverting sound into a bus
+	Ref<World2D> world_2d = get_world_2d();
+	ERR_FAIL_COND_V(world_2d.is_null(), SNAME("Master"));
 
-			//check if any area is diverting sound into a bus
+	PhysicsDirectSpaceState2D *space_state = PhysicsServer2D::get_singleton()->space_get_direct_state(world_2d->get_space());
+	PhysicsDirectSpaceState2D::ShapeResult sr[MAX_INTERSECT_AREAS];
 
-			PhysicsDirectSpaceState2D *space_state = PhysicsServer2D::get_singleton()->space_get_direct_state(world_2d->get_space());
+	int areas = space_state->intersect_point(global_pos, sr, MAX_INTERSECT_AREAS, Set<RID>(), area_mask, false, true);
 
-			PhysicsDirectSpaceState2D::ShapeResult sr[MAX_INTERSECT_AREAS];
+	for (int i = 0; i < areas; i++) {
+		Area2D *area2d = Object::cast_to<Area2D>(sr[i].collider);
+		if (!area2d) {
+			continue;
+		}
 
-			int areas = space_state->intersect_point(global_pos, sr, MAX_INTERSECT_AREAS, Set<RID>(), area_mask, false, true);
+		if (!area2d->is_overriding_audio_bus()) {
+			continue;
+		}
 
-			for (int i = 0; i < areas; i++) {
-				Area2D *area2d = Object::cast_to<Area2D>(sr[i].collider);
-				if (!area2d) {
-					continue;
-				}
+		return area2d->get_audio_bus_name();
+	}
+	return default_bus;
+}
 
-				if (!area2d->is_overriding_audio_bus()) {
-					continue;
-				}
+void AudioStreamPlayer2D::_update_panning() {
+	if (!stream_playback.is_valid()) {
+		return;
+	}
 
-				StringName bus_name = area2d->get_audio_bus_name();
-				bus_index = AudioServer::get_singleton()->thread_find_bus_index(bus_name);
-				break;
-			}
+	last_mix_count = AudioServer::get_singleton()->get_mix_count();
 
-			const Set<Viewport *> viewports = world_2d->get_viewports();
+	Ref<World2D> world_2d = get_world_2d();
+	ERR_FAIL_COND(world_2d.is_null());
 
-			for (Set<Viewport *>::Element *E = viewports.front(); E; E = E->next()) {
-				Viewport *vp = E->get();
-				if (vp->is_audio_listener_2d()) {
-					//compute matrix to convert to screen
-					Transform2D to_screen = vp->get_global_canvas_transform() * vp->get_canvas_transform();
-					Vector2 screen_size = vp->get_visible_rect().size;
+	Vector2 global_pos = get_global_position();
 
-					//screen in global is used for attenuation
-					Vector2 screen_in_global = to_screen.affine_inverse().xform(screen_size * 0.5);
+	Set<Viewport *> viewports = world_2d->get_viewports();
+	viewports.insert(get_viewport()); // TODO: This is a mediocre workaround for #50958. Remove when that bug is fixed!
 
-					float dist = global_pos.distance_to(screen_in_global); //distance to screen center
+	volume_vector.resize(4);
+	volume_vector.write[0] = AudioFrame(0, 0);
+	volume_vector.write[1] = AudioFrame(0, 0);
+	volume_vector.write[2] = AudioFrame(0, 0);
+	volume_vector.write[3] = AudioFrame(0, 0);
 
-					if (dist > max_distance) {
-						continue; //can't hear this sound in this viewport
-					}
+	for (Viewport *vp : viewports) {
+		if (!vp->is_audio_listener_2d()) {
+			continue;
+		}
+		//compute matrix to convert to screen
+		Transform2D to_screen = vp->get_global_canvas_transform() * vp->get_canvas_transform();
+		Vector2 screen_size = vp->get_visible_rect().size;
 
-					float multiplier = Math::pow(1.0f - dist / max_distance, attenuation);
-					multiplier *= Math::db2linear(volume_db); //also apply player volume!
+		//screen in global is used for attenuation
+		Vector2 screen_in_global = to_screen.affine_inverse().xform(screen_size * 0.5);
 
-					//point in screen is used for panning
-					Vector2 point_in_screen = to_screen.xform(global_pos);
+		float dist = global_pos.distance_to(screen_in_global); //distance to screen center
 
-					float pan = CLAMP(point_in_screen.x / screen_size.width, 0.0, 1.0);
+		if (dist > max_distance) {
+			continue; //can't hear this sound in this viewport
+		}
 
-					float l = 1.0 - pan;
-					float r = pan;
+		float multiplier = Math::pow(1.0f - dist / max_distance, attenuation);
+		multiplier *= Math::db2linear(volume_db); //also apply player volume!
 
-					outputs[new_output_count].vol = AudioFrame(l, r) * multiplier;
-					outputs[new_output_count].bus_index = bus_index;
-					outputs[new_output_count].viewport = vp; //keep pointer only for reference
-					new_output_count++;
-					if (new_output_count == MAX_OUTPUTS) {
-						break;
-					}
-				}
-			}
+		//point in screen is used for panning
+		Vector2 point_in_screen = to_screen.xform(global_pos);
 
-			output_count.set(new_output_count);
-			output_ready.set();
-		}
+		float pan = CLAMP(point_in_screen.x / screen_size.width, 0.0, 1.0);
 
-		//start playing if requested
-		if (setplay.get() >= 0.0) {
-			setseek.set(setplay.get());
-			active.set();
-			setplay.set(-1);
-		}
+		float l = 1.0 - pan;
+		float r = pan;
 
-		//stop playing if no longer active
-		if (!active.is_set()) {
-			set_physics_process_internal(false);
-			emit_signal(SNAME("finished"));
-		}
+		volume_vector.write[0] = AudioFrame(l, r) * multiplier;
 	}
+
+	AudioServer::get_singleton()->set_playback_bus_exclusive(stream_playback, _get_actual_bus(), volume_vector);
 }
 
 void AudioStreamPlayer2D::set_stream(Ref<AudioStream> p_stream) {
-	AudioServer::get_singleton()->lock();
-
-	mix_buffer.resize(AudioServer::get_singleton()->thread_get_mix_buffer_size());
-
 	if (stream_playback.is_valid()) {
-		stream_playback.unref();
-		stream.unref();
-		active.clear();
-		setseek.set(-1);
+		stop();
 	}
 
+	stream_playback.unref();
+	stream.unref();
 	if (p_stream.is_valid()) {
-		stream = p_stream;
 		stream_playback = p_stream->instance_playback();
+		if (stream_playback.is_valid()) {
+			stream = p_stream;
+		} else {
+			stream.unref();
+		}
 	}
 
-	AudioServer::get_singleton()->unlock();
-
 	if (p_stream.is_valid() && stream_playback.is_null()) {
 		stream.unref();
 	}
@@ -298,6 +203,9 @@ float AudioStreamPlayer2D::get_volume_db() const {
 void AudioStreamPlayer2D::set_pitch_scale(float p_pitch_scale) {
 	ERR_FAIL_COND(p_pitch_scale <= 0.0);
 	pitch_scale = p_pitch_scale;
+	if (stream_playback.is_valid()) {
+		AudioServer::get_singleton()->set_playback_pitch_scale(stream_playback, p_pitch_scale);
+	}
 }
 
 float AudioStreamPlayer2D::get_pitch_scale() const {
@@ -305,27 +213,26 @@ float AudioStreamPlayer2D::get_pitch_scale() const {
 }
 
 void AudioStreamPlayer2D::play(float p_from_pos) {
-	if (!is_playing()) {
-		// Reset the prev_output_count if the stream is stopped
-		prev_output_count = 0;
+	stop();
+	if (stream.is_valid()) {
+		stream_playback = stream->instance_playback();
 	}
-
 	if (stream_playback.is_valid()) {
 		setplay.set(p_from_pos);
-		output_ready.clear();
 		set_physics_process_internal(true);
 	}
 }
 
 void AudioStreamPlayer2D::seek(float p_seconds) {
-	if (stream_playback.is_valid()) {
-		setseek.set(p_seconds);
+	if (stream_playback.is_valid() && active.is_set()) {
+		play(p_seconds);
 	}
 }
 
 void AudioStreamPlayer2D::stop() {
 	if (stream_playback.is_valid()) {
 		active.clear();
+		AudioServer::get_singleton()->stop_playback_stream(stream_playback);
 		set_physics_process_internal(false);
 		setplay.set(-1);
 	}
@@ -333,7 +240,7 @@ void AudioStreamPlayer2D::stop() {
 
 bool AudioStreamPlayer2D::is_playing() const {
 	if (stream_playback.is_valid()) {
-		return active.is_set() || setplay.get() >= 0;
+		return AudioServer::get_singleton()->is_playback_active(stream_playback);
 	}
 
 	return false;
@@ -341,30 +248,23 @@ bool AudioStreamPlayer2D::is_playing() const {
 
 float AudioStreamPlayer2D::get_playback_position() {
 	if (stream_playback.is_valid()) {
-		float ss = setseek.get();
-		if (ss >= 0.0) {
-			return ss;
-		}
-		return stream_playback->get_playback_position();
+		return AudioServer::get_singleton()->get_playback_position(stream_playback);
 	}
 
 	return 0;
 }
 
 void AudioStreamPlayer2D::set_bus(const StringName &p_bus) {
-	//if audio is active, must lock this
-	AudioServer::get_singleton()->lock();
-	bus = p_bus;
-	AudioServer::get_singleton()->unlock();
+	default_bus = p_bus; // This will be pushed to the audio server during the next physics timestep, which is fast enough.
 }
 
 StringName AudioStreamPlayer2D::get_bus() const {
 	for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
-		if (AudioServer::get_singleton()->get_bus_name(i) == bus) {
-			return bus;
+		if (AudioServer::get_singleton()->get_bus_name(i) == default_bus) {
+			return default_bus;
 		}
 	}
-	return "Master";
+	return SNAME("Master");
 }
 
 void AudioStreamPlayer2D::set_autoplay(bool p_enable) {
@@ -384,7 +284,11 @@ void AudioStreamPlayer2D::_set_playing(bool p_enable) {
 }
 
 bool AudioStreamPlayer2D::_is_active() const {
-	return active.is_set();
+	if (stream_playback.is_valid()) {
+		// TODO make sure this doesn't change any behavior w.r.t. pauses. Is a paused stream active?
+		return AudioServer::get_singleton()->is_playback_active(stream_playback);
+	}
+	return false;
 }
 
 void AudioStreamPlayer2D::_validate_property(PropertyInfo &property) const {
@@ -432,15 +336,17 @@ uint32_t AudioStreamPlayer2D::get_area_mask() const {
 }
 
 void AudioStreamPlayer2D::set_stream_paused(bool p_pause) {
-	if (p_pause != stream_paused) {
-		stream_paused = p_pause;
-		stream_paused_fade_in = !p_pause;
-		stream_paused_fade_out = p_pause;
+	// TODO this does not have perfect recall, fix that maybe? If the stream isn't set, we can't persist this bool.
+	if (stream_playback.is_valid()) {
+		AudioServer::get_singleton()->set_playback_paused(stream_playback, p_pause);
 	}
 }
 
 bool AudioStreamPlayer2D::get_stream_paused() const {
-	return stream_paused;
+	if (stream_playback.is_valid()) {
+		return AudioServer::get_singleton()->is_playback_paused(stream_playback);
+	}
+	return false;
 }
 
 Ref<AudioStreamPlayback> AudioStreamPlayer2D::get_stream_playback() {
diff --git a/scene/2d/audio_stream_player_2d.h b/scene/2d/audio_stream_player_2d.h
index cf05a49b00..6428fbe017 100644
--- a/scene/2d/audio_stream_player_2d.h
+++ b/scene/2d/audio_stream_player_2d.h
@@ -51,38 +51,30 @@ private:
 		Viewport *viewport = nullptr; //pointer only used for reference to previous mix
 	};
 
-	Output outputs[MAX_OUTPUTS];
-	SafeNumeric<int> output_count;
-	SafeFlag output_ready;
-
-	//these are used by audio thread to have a reference of previous volumes (for ramping volume and avoiding clicks)
-	Output prev_outputs[MAX_OUTPUTS];
-	int prev_output_count = 0;
-
 	Ref<AudioStreamPlayback> stream_playback;
 	Ref<AudioStream> stream;
-	Vector<AudioFrame> mix_buffer;
 
-	SafeNumeric<float> setseek{ -1.0 };
 	SafeFlag active;
 	SafeNumeric<float> setplay{ -1.0 };
 
+	Vector<AudioFrame> volume_vector;
+
+	uint64_t last_mix_count = -1;
+
 	float volume_db = 0.0;
 	float pitch_scale = 1.0;
 	bool autoplay = false;
-	bool stream_paused = false;
-	bool stream_paused_fade_in = false;
-	bool stream_paused_fade_out = false;
-	StringName bus;
-
-	void _mix_audio();
-	static void _mix_audios(void *self) { reinterpret_cast<AudioStreamPlayer2D *>(self)->_mix_audio(); }
+	StringName default_bus = "Master";
 
 	void _set_playing(bool p_enable);
 	bool _is_active() const;
 
+	StringName _get_actual_bus();
+	void _update_panning();
 	void _bus_layout_changed();
 
+	static void _listener_changed_cb(void *self) { reinterpret_cast<AudioStreamPlayer2D *>(self)->_update_panning(); }
+
 	uint32_t area_mask = 1;
 
 	float max_distance = 2000.0;
diff --git a/scene/2d/camera_2d.cpp b/scene/2d/camera_2d.cpp
index 13b37aa2b2..bf91ce8e65 100644
--- a/scene/2d/camera_2d.cpp
+++ b/scene/2d/camera_2d.cpp
@@ -261,6 +261,7 @@ void Camera2D::_notification(int p_what) {
 				if (viewport && !(custom_viewport && !ObjectDB::get_instance(custom_viewport_id))) {
 					viewport->set_canvas_transform(Transform2D());
 					clear_current();
+					current = true;
 				}
 			}
 			remove_from_group(group_name);
diff --git a/scene/2d/collision_object_2d.cpp b/scene/2d/collision_object_2d.cpp
index 60f29ca163..5d3a538f60 100644
--- a/scene/2d/collision_object_2d.cpp
+++ b/scene/2d/collision_object_2d.cpp
@@ -481,10 +481,8 @@ bool CollisionObject2D::is_pickable() const {
 	return pickable;
 }
 
-void CollisionObject2D::_input_event(Node *p_viewport, const Ref<InputEvent> &p_input_event, int p_shape) {
-	if (get_script_instance()) {
-		get_script_instance()->call(SceneStringNames::get_singleton()->_input_event, p_viewport, p_input_event, p_shape);
-	}
+void CollisionObject2D::_input_event_call(Viewport *p_viewport, const Ref<InputEvent> &p_input_event, int p_shape) {
+	GDVIRTUAL_CALL(_input_event, p_viewport, p_input_event, p_shape);
 	emit_signal(SceneStringNames::get_singleton()->input_event, p_viewport, p_input_event, p_shape);
 }
 
@@ -597,7 +595,7 @@ void CollisionObject2D::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("shape_owner_clear_shapes", "owner_id"), &CollisionObject2D::shape_owner_clear_shapes);
 	ClassDB::bind_method(D_METHOD("shape_find_owner", "shape_index"), &CollisionObject2D::shape_find_owner);
 
-	BIND_VMETHOD(MethodInfo("_input_event", PropertyInfo(Variant::OBJECT, "viewport"), PropertyInfo(Variant::OBJECT, "event", PROPERTY_HINT_RESOURCE_TYPE, "InputEvent"), PropertyInfo(Variant::INT, "shape_idx")));
+	GDVIRTUAL_BIND(_input_event, "viewport", "event", "shape_idx");
 
 	ADD_SIGNAL(MethodInfo("input_event", PropertyInfo(Variant::OBJECT, "viewport", PROPERTY_HINT_RESOURCE_TYPE, "Node"), PropertyInfo(Variant::OBJECT, "event", PROPERTY_HINT_RESOURCE_TYPE, "InputEvent"), PropertyInfo(Variant::INT, "shape_idx")));
 	ADD_SIGNAL(MethodInfo("mouse_entered"));
diff --git a/scene/2d/collision_object_2d.h b/scene/2d/collision_object_2d.h
index 11e11d1382..19abacb201 100644
--- a/scene/2d/collision_object_2d.h
+++ b/scene/2d/collision_object_2d.h
@@ -32,6 +32,7 @@
 #define COLLISION_OBJECT_2D_H
 
 #include "scene/2d/node_2d.h"
+#include "scene/main/viewport.h"
 #include "scene/resources/shape_2d.h"
 #include "servers/physics_server_2d.h"
 
@@ -88,7 +89,7 @@ protected:
 
 	void _update_pickable();
 	friend class Viewport;
-	void _input_event(Node *p_viewport, const Ref<InputEvent> &p_input_event, int p_shape);
+	void _input_event_call(Viewport *p_viewport, const Ref<InputEvent> &p_input_event, int p_shape);
 	void _mouse_enter();
 	void _mouse_exit();
 
@@ -100,6 +101,7 @@ protected:
 
 	void set_body_mode(PhysicsServer2D::BodyMode p_mode);
 
+	GDVIRTUAL3(_input_event, Viewport *, Ref<InputEvent>, int)
 public:
 	void set_collision_layer(uint32_t p_layer);
 	uint32_t get_collision_layer() const;
diff --git a/scene/2d/cpu_particles_2d.cpp b/scene/2d/cpu_particles_2d.cpp
index 559bd2fd16..b836497627 100644
--- a/scene/2d/cpu_particles_2d.cpp
+++ b/scene/2d/cpu_particles_2d.cpp
@@ -248,7 +248,7 @@ TypedArray<String> CPUParticles2D::get_configuration_warnings() const {
 	CanvasItemMaterial *mat = Object::cast_to<CanvasItemMaterial>(get_material().ptr());
 
 	if (get_material().is_null() || (mat && !mat->get_particles_animation())) {
-		if (get_param(PARAM_ANIM_SPEED) != 0.0 || get_param(PARAM_ANIM_OFFSET) != 0.0 ||
+		if (get_param_max(PARAM_ANIM_SPEED) != 0.0 || get_param_max(PARAM_ANIM_OFFSET) != 0.0 ||
 				get_param_curve(PARAM_ANIM_SPEED).is_valid() || get_param_curve(PARAM_ANIM_OFFSET).is_valid()) {
 			warnings.push_back(TTR("CPUParticles2D animation requires the usage of a CanvasItemMaterial with \"Particles Animation\" enabled."));
 		}
@@ -292,28 +292,34 @@ real_t CPUParticles2D::get_spread() const {
 	return spread;
 }
 
-void CPUParticles2D::set_param(Parameter p_param, real_t p_value) {
+void CPUParticles2D::set_param_min(Parameter p_param, real_t p_value) {
 	ERR_FAIL_INDEX(p_param, PARAM_MAX);
 
-	parameters[p_param] = p_value;
+	parameters_min[p_param] = p_value;
+	if (parameters_min[p_param] > parameters_max[p_param]) {
+		set_param_max(p_param, p_value);
+	}
 }
 
-real_t CPUParticles2D::get_param(Parameter p_param) const {
+real_t CPUParticles2D::get_param_min(Parameter p_param) const {
 	ERR_FAIL_INDEX_V(p_param, PARAM_MAX, 0);
 
-	return parameters[p_param];
+	return parameters_min[p_param];
 }
 
-void CPUParticles2D::set_param_randomness(Parameter p_param, real_t p_value) {
+void CPUParticles2D::set_param_max(Parameter p_param, real_t p_value) {
 	ERR_FAIL_INDEX(p_param, PARAM_MAX);
 
-	randomness[p_param] = p_value;
+	parameters_max[p_param] = p_value;
+	if (parameters_min[p_param] > parameters_max[p_param]) {
+		set_param_min(p_param, p_value);
+	}
 }
 
-real_t CPUParticles2D::get_param_randomness(Parameter p_param) const {
+real_t CPUParticles2D::get_param_max(Parameter p_param) const {
 	ERR_FAIL_INDEX_V(p_param, PARAM_MAX, 0);
 
-	return randomness[p_param];
+	return parameters_max[p_param];
 }
 
 static void _adjust_curve_range(const Ref<Curve> &p_curve, real_t p_min, real_t p_max) {
@@ -460,6 +466,31 @@ Vector2 CPUParticles2D::get_gravity() const {
 	return gravity;
 }
 
+void CPUParticles2D::set_scale_curve_x(Ref<Curve> p_scale_curve) {
+	scale_curve_x = p_scale_curve;
+}
+
+void CPUParticles2D::set_scale_curve_y(Ref<Curve> p_scale_curve) {
+	scale_curve_y = p_scale_curve;
+}
+
+void CPUParticles2D::set_split_scale(bool p_split_scale) {
+	split_scale = p_split_scale;
+	notify_property_list_changed();
+}
+
+Ref<Curve> CPUParticles2D::get_scale_curve_x() const {
+	return scale_curve_x;
+}
+
+Ref<Curve> CPUParticles2D::get_scale_curve_y() const {
+	return scale_curve_y;
+}
+
+bool CPUParticles2D::get_split_scale() {
+	return split_scale;
+}
+
 void CPUParticles2D::_validate_property(PropertyInfo &property) const {
 	if (property.name == "emission_sphere_radius" && emission_shape != EMISSION_SHAPE_SPHERE) {
 		property.usage = PROPERTY_USAGE_NONE;
@@ -484,6 +515,9 @@ void CPUParticles2D::_validate_property(PropertyInfo &property) const {
 	if (property.name == "emission_colors" && emission_shape != EMISSION_SHAPE_POINTS && emission_shape != EMISSION_SHAPE_DIRECTED_POINTS) {
 		property.usage = PROPERTY_USAGE_NONE;
 	}
+	if (property.name.begins_with("scale_curve_") && !split_scale) {
+		property.usage = PROPERTY_USAGE_NONE;
+	}
 }
 
 static uint32_t idhash(uint32_t x) {
@@ -695,14 +729,14 @@ void CPUParticles2D::_particles_process(double p_delta) {
 
 			real_t angle1_rad = Math::atan2(direction.y, direction.x) + Math::deg2rad((Math::randf() * 2.0 - 1.0) * spread);
 			Vector2 rot = Vector2(Math::cos(angle1_rad), Math::sin(angle1_rad));
-			p.velocity = rot * parameters[PARAM_INITIAL_LINEAR_VELOCITY] * Math::lerp((real_t)1.0, real_t(Math::randf()), randomness[PARAM_INITIAL_LINEAR_VELOCITY]);
+			p.velocity = rot * Math::lerp(parameters_min[PARAM_INITIAL_LINEAR_VELOCITY], parameters_min[PARAM_INITIAL_LINEAR_VELOCITY], Math::randf());
 
-			real_t base_angle = (parameters[PARAM_ANGLE] + tex_angle) * Math::lerp((real_t)1.0, p.angle_rand, randomness[PARAM_ANGLE]);
+			real_t base_angle = tex_angle * Math::lerp(parameters_min[PARAM_ANGLE], parameters_max[PARAM_ANGLE], p.angle_rand);
 			p.rotation = Math::deg2rad(base_angle);
 
 			p.custom[0] = 0.0; // unused
 			p.custom[1] = 0.0; // phase [0..1]
-			p.custom[2] = (parameters[PARAM_ANIM_OFFSET] + tex_anim_offset) * Math::lerp((real_t)1.0, p.anim_offset_rand, randomness[PARAM_ANIM_OFFSET]); //animation phase [0..1]
+			p.custom[2] = tex_anim_offset * Math::lerp(parameters_min[PARAM_ANIM_OFFSET], parameters_max[PARAM_ANIM_OFFSET], p.anim_offset_rand);
 			p.custom[3] = 0.0;
 			p.transform = Transform2D();
 			p.time = 0;
@@ -766,51 +800,51 @@ void CPUParticles2D::_particles_process(double p_delta) {
 			p.custom[1] = p.time / lifetime;
 			tv = p.time / p.lifetime;
 
-			real_t tex_linear_velocity = 0.0;
+			real_t tex_linear_velocity = 1.0;
 			if (curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) {
 				tex_linear_velocity = curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY]->interpolate(tv);
 			}
 
-			real_t tex_orbit_velocity = 0.0;
+			real_t tex_orbit_velocity = 1.0;
 			if (curve_parameters[PARAM_ORBIT_VELOCITY].is_valid()) {
 				tex_orbit_velocity = curve_parameters[PARAM_ORBIT_VELOCITY]->interpolate(tv);
 			}
 
-			real_t tex_angular_velocity = 0.0;
+			real_t tex_angular_velocity = 1.0;
 			if (curve_parameters[PARAM_ANGULAR_VELOCITY].is_valid()) {
 				tex_angular_velocity = curve_parameters[PARAM_ANGULAR_VELOCITY]->interpolate(tv);
 			}
 
-			real_t tex_linear_accel = 0.0;
+			real_t tex_linear_accel = 1.0;
 			if (curve_parameters[PARAM_LINEAR_ACCEL].is_valid()) {
 				tex_linear_accel = curve_parameters[PARAM_LINEAR_ACCEL]->interpolate(tv);
 			}
 
-			real_t tex_tangential_accel = 0.0;
+			real_t tex_tangential_accel = 1.0;
 			if (curve_parameters[PARAM_TANGENTIAL_ACCEL].is_valid()) {
 				tex_tangential_accel = curve_parameters[PARAM_TANGENTIAL_ACCEL]->interpolate(tv);
 			}
 
-			real_t tex_radial_accel = 0.0;
+			real_t tex_radial_accel = 1.0;
 			if (curve_parameters[PARAM_RADIAL_ACCEL].is_valid()) {
 				tex_radial_accel = curve_parameters[PARAM_RADIAL_ACCEL]->interpolate(tv);
 			}
 
-			real_t tex_damping = 0.0;
+			real_t tex_damping = 1.0;
 			if (curve_parameters[PARAM_DAMPING].is_valid()) {
 				tex_damping = curve_parameters[PARAM_DAMPING]->interpolate(tv);
 			}
 
-			real_t tex_angle = 0.0;
+			real_t tex_angle = 1.0;
 			if (curve_parameters[PARAM_ANGLE].is_valid()) {
 				tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(tv);
 			}
-			real_t tex_anim_speed = 0.0;
+			real_t tex_anim_speed = 1.0;
 			if (curve_parameters[PARAM_ANIM_SPEED].is_valid()) {
 				tex_anim_speed = curve_parameters[PARAM_ANIM_SPEED]->interpolate(tv);
 			}
 
-			real_t tex_anim_offset = 0.0;
+			real_t tex_anim_offset = 1.0;
 			if (curve_parameters[PARAM_ANIM_OFFSET].is_valid()) {
 				tex_anim_offset = curve_parameters[PARAM_ANIM_OFFSET]->interpolate(tv);
 			}
@@ -819,18 +853,18 @@ void CPUParticles2D::_particles_process(double p_delta) {
 			Vector2 pos = p.transform[2];
 
 			//apply linear acceleration
-			force += p.velocity.length() > 0.0 ? p.velocity.normalized() * (parameters[PARAM_LINEAR_ACCEL] + tex_linear_accel) * Math::lerp((real_t)1.0, rand_from_seed(alt_seed), randomness[PARAM_LINEAR_ACCEL]) : Vector2();
+			force += p.velocity.length() > 0.0 ? p.velocity.normalized() * tex_linear_accel * Math::lerp(parameters_min[PARAM_LINEAR_ACCEL], parameters_max[PARAM_LINEAR_ACCEL], rand_from_seed(alt_seed)) : Vector2();
 			//apply radial acceleration
 			Vector2 org = emission_xform[2];
 			Vector2 diff = pos - org;
-			force += diff.length() > 0.0 ? diff.normalized() * (parameters[PARAM_RADIAL_ACCEL] + tex_radial_accel) * Math::lerp((real_t)1.0, rand_from_seed(alt_seed), randomness[PARAM_RADIAL_ACCEL]) : Vector2();
+			force += diff.length() > 0.0 ? diff.normalized() * (tex_radial_accel)*Math::lerp(parameters_min[PARAM_RADIAL_ACCEL], parameters_max[PARAM_RADIAL_ACCEL], rand_from_seed(alt_seed)) : Vector2();
 			//apply tangential acceleration;
 			Vector2 yx = Vector2(diff.y, diff.x);
-			force += yx.length() > 0.0 ? (yx * Vector2(-1.0, 1.0)).normalized() * ((parameters[PARAM_TANGENTIAL_ACCEL] + tex_tangential_accel) * Math::lerp((real_t)1.0, rand_from_seed(alt_seed), randomness[PARAM_TANGENTIAL_ACCEL])) : Vector2();
+			force += yx.length() > 0.0 ? yx.normalized() * (tex_tangential_accel * Math::lerp(parameters_min[PARAM_TANGENTIAL_ACCEL], parameters_max[PARAM_TANGENTIAL_ACCEL], rand_from_seed(alt_seed))) : Vector2();
 			//apply attractor forces
 			p.velocity += force * local_delta;
 			//orbit velocity
-			real_t orbit_amount = (parameters[PARAM_ORBIT_VELOCITY] + tex_orbit_velocity) * Math::lerp((real_t)1.0, rand_from_seed(alt_seed), randomness[PARAM_ORBIT_VELOCITY]);
+			real_t orbit_amount = tex_orbit_velocity * Math::lerp(parameters_min[PARAM_ORBIT_VELOCITY], parameters_max[PARAM_ORBIT_VELOCITY], rand_from_seed(alt_seed));
 			if (orbit_amount != 0.0) {
 				real_t ang = orbit_amount * local_delta * Math_TAU;
 				// Not sure why the ParticlesMaterial code uses a clockwise rotation matrix,
@@ -843,9 +877,9 @@ void CPUParticles2D::_particles_process(double p_delta) {
 				p.velocity = p.velocity.normalized() * tex_linear_velocity;
 			}
 
-			if (parameters[PARAM_DAMPING] + tex_damping > 0.0) {
+			if (parameters_max[PARAM_DAMPING] + tex_damping > 0.0) {
 				real_t v = p.velocity.length();
-				real_t damp = (parameters[PARAM_DAMPING] + tex_damping) * Math::lerp((real_t)1.0, rand_from_seed(alt_seed), randomness[PARAM_DAMPING]);
+				real_t damp = tex_damping * Math::lerp(parameters_min[PARAM_DAMPING], parameters_max[PARAM_DAMPING], rand_from_seed(alt_seed));
 				v -= damp * local_delta;
 				if (v < 0.0) {
 					p.velocity = Vector2();
@@ -853,18 +887,32 @@ void CPUParticles2D::_particles_process(double p_delta) {
 					p.velocity = p.velocity.normalized() * v;
 				}
 			}
-			real_t base_angle = (parameters[PARAM_ANGLE] + tex_angle) * Math::lerp((real_t)1.0, p.angle_rand, randomness[PARAM_ANGLE]);
-			base_angle += p.custom[1] * lifetime * (parameters[PARAM_ANGULAR_VELOCITY] + tex_angular_velocity) * Math::lerp((real_t)1.0, rand_from_seed(alt_seed) * 2.0f - 1.0f, randomness[PARAM_ANGULAR_VELOCITY]);
+			real_t base_angle = (tex_angle)*Math::lerp(parameters_min[PARAM_ANGLE], parameters_max[PARAM_ANGLE], p.angle_rand);
+			base_angle += p.custom[1] * lifetime * tex_angular_velocity * Math::lerp(parameters_min[PARAM_ANGULAR_VELOCITY], parameters_max[PARAM_ANGULAR_VELOCITY], rand_from_seed(alt_seed));
 			p.rotation = Math::deg2rad(base_angle); //angle
-			real_t animation_phase = (parameters[PARAM_ANIM_OFFSET] + tex_anim_offset) * Math::lerp((real_t)1.0, p.anim_offset_rand, randomness[PARAM_ANIM_OFFSET]) + p.custom[1] * (parameters[PARAM_ANIM_SPEED] + tex_anim_speed) * Math::lerp((real_t)1.0, rand_from_seed(alt_seed), randomness[PARAM_ANIM_SPEED]);
-			p.custom[2] = animation_phase;
+			p.custom[2] = tex_anim_offset * Math::lerp(parameters_min[PARAM_ANIM_OFFSET], parameters_max[PARAM_ANIM_OFFSET], p.anim_offset_rand) + p.custom[1] * tex_anim_speed * Math::lerp(parameters_min[PARAM_ANIM_SPEED], parameters_max[PARAM_ANIM_SPEED], rand_from_seed(alt_seed));
 		}
 		//apply color
 		//apply hue rotation
 
-		real_t tex_scale = 1.0;
-		if (curve_parameters[PARAM_SCALE].is_valid()) {
-			tex_scale = curve_parameters[PARAM_SCALE]->interpolate(tv);
+		Vector2 tex_scale = Vector2(1.0, 1.0);
+		if (split_scale) {
+			if (scale_curve_x.is_valid()) {
+				tex_scale.x = scale_curve_x->interpolate(tv);
+			} else {
+				tex_scale.x = 1.0;
+			}
+			if (scale_curve_y.is_valid()) {
+				tex_scale.y = scale_curve_y->interpolate(tv);
+			} else {
+				tex_scale.y = 1.0;
+			}
+		} else {
+			if (curve_parameters[PARAM_SCALE].is_valid()) {
+				real_t tmp_scale = curve_parameters[PARAM_SCALE]->interpolate(tv);
+				tex_scale.x = tmp_scale;
+				tex_scale.y = tmp_scale;
+			}
 		}
 
 		real_t tex_hue_variation = 0.0;
@@ -872,7 +920,7 @@ void CPUParticles2D::_particles_process(double p_delta) {
 			tex_hue_variation = curve_parameters[PARAM_HUE_VARIATION]->interpolate(tv);
 		}
 
-		real_t hue_rot_angle = (parameters[PARAM_HUE_VARIATION] + tex_hue_variation) * Math_TAU * Math::lerp(1, p.hue_rot_rand * 2.0f - 1.0f, randomness[PARAM_HUE_VARIATION]);
+		real_t hue_rot_angle = (tex_hue_variation)*Math_TAU * Math::lerp(parameters_min[PARAM_HUE_VARIATION], parameters_max[PARAM_HUE_VARIATION], p.hue_rot_rand);
 		real_t hue_rot_c = Math::cos(hue_rot_angle);
 		real_t hue_rot_s = Math::sin(hue_rot_angle);
 
@@ -912,13 +960,15 @@ void CPUParticles2D::_particles_process(double p_delta) {
 		}
 
 		//scale by scale
-		real_t base_scale = tex_scale * Math::lerp(parameters[PARAM_SCALE], (real_t)1.0, p.scale_rand * randomness[PARAM_SCALE]);
-		if (base_scale < 0.000001) {
-			base_scale = 0.000001;
+		Vector2 base_scale = tex_scale * Math::lerp(parameters_min[PARAM_SCALE], parameters_max[PARAM_SCALE], p.scale_rand);
+		if (base_scale.x < 0.00001) {
+			base_scale.x = 0.00001;
 		}
-
-		p.transform.elements[0] *= base_scale;
-		p.transform.elements[1] *= base_scale;
+		if (base_scale.y < 0.00001) {
+			base_scale.y = 0.00001;
+		}
+		p.transform.elements[0] *= base_scale.x;
+		p.transform.elements[1] *= base_scale.y;
 
 		p.transform[2] += p.velocity * local_delta;
 	}
@@ -1130,18 +1180,24 @@ void CPUParticles2D::convert_from_particles(Node *p_particles) {
 	Vector2 rect_extents = Vector2(material->get_emission_box_extents().x, material->get_emission_box_extents().y);
 	set_emission_rect_extents(rect_extents);
 
+	Ref<CurveXYZTexture> scale3D = material->get_param_texture(ParticlesMaterial::PARAM_SCALE);
+	if (scale3D.is_valid()) {
+		split_scale = true;
+		scale_curve_x = scale3D->get_curve_x();
+		scale_curve_y = scale3D->get_curve_y();
+	}
 	Vector2 gravity = Vector2(material->get_gravity().x, material->get_gravity().y);
 	set_gravity(gravity);
 	set_lifetime_randomness(material->get_lifetime_randomness());
 
 #define CONVERT_PARAM(m_param)                                                            \
-	set_param(m_param, material->get_param(ParticlesMaterial::m_param));                  \
+	set_param_min(m_param, material->get_param_min(ParticlesMaterial::m_param));          \
 	{                                                                                     \
 		Ref<CurveTexture> ctex = material->get_param_texture(ParticlesMaterial::m_param); \
 		if (ctex.is_valid())                                                              \
 			set_param_curve(m_param, ctex->get_curve());                                  \
 	}                                                                                     \
-	set_param_randomness(m_param, material->get_param_randomness(ParticlesMaterial::m_param));
+	set_param_max(m_param, material->get_param_max(ParticlesMaterial::m_param));
 
 	CONVERT_PARAM(PARAM_INITIAL_LINEAR_VELOCITY);
 	CONVERT_PARAM(PARAM_ANGULAR_VELOCITY);
@@ -1224,11 +1280,11 @@ void CPUParticles2D::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_spread", "degrees"), &CPUParticles2D::set_spread);
 	ClassDB::bind_method(D_METHOD("get_spread"), &CPUParticles2D::get_spread);
 
-	ClassDB::bind_method(D_METHOD("set_param", "param", "value"), &CPUParticles2D::set_param);
-	ClassDB::bind_method(D_METHOD("get_param", "param"), &CPUParticles2D::get_param);
+	ClassDB::bind_method(D_METHOD("set_param_min", "param", "value"), &CPUParticles2D::set_param_min);
+	ClassDB::bind_method(D_METHOD("get_param_min", "param"), &CPUParticles2D::get_param_min);
 
-	ClassDB::bind_method(D_METHOD("set_param_randomness", "param", "randomness"), &CPUParticles2D::set_param_randomness);
-	ClassDB::bind_method(D_METHOD("get_param_randomness", "param"), &CPUParticles2D::get_param_randomness);
+	ClassDB::bind_method(D_METHOD("set_param_max", "param", "value"), &CPUParticles2D::set_param_max);
+	ClassDB::bind_method(D_METHOD("get_param_max", "param"), &CPUParticles2D::get_param_max);
 
 	ClassDB::bind_method(D_METHOD("set_param_curve", "param", "curve"), &CPUParticles2D::set_param_curve);
 	ClassDB::bind_method(D_METHOD("get_param_curve", "param"), &CPUParticles2D::get_param_curve);
@@ -1263,6 +1319,15 @@ void CPUParticles2D::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_gravity"), &CPUParticles2D::get_gravity);
 	ClassDB::bind_method(D_METHOD("set_gravity", "accel_vec"), &CPUParticles2D::set_gravity);
 
+	ClassDB::bind_method(D_METHOD("get_split_scale"), &CPUParticles2D::get_split_scale);
+	ClassDB::bind_method(D_METHOD("set_split_scale", "split_scale"), &CPUParticles2D::set_split_scale);
+
+	ClassDB::bind_method(D_METHOD("get_scale_curve_x"), &CPUParticles2D::get_scale_curve_x);
+	ClassDB::bind_method(D_METHOD("set_scale_curve_x", "scale_curve"), &CPUParticles2D::set_scale_curve_x);
+
+	ClassDB::bind_method(D_METHOD("get_scale_curve_y"), &CPUParticles2D::get_scale_curve_y);
+	ClassDB::bind_method(D_METHOD("set_scale_curve_y", "scale_curve"), &CPUParticles2D::set_scale_curve_y);
+
 	ClassDB::bind_method(D_METHOD("convert_from_particles", "particles"), &CPUParticles2D::convert_from_particles);
 
 	ADD_GROUP("Emission Shape", "emission_");
@@ -1280,54 +1345,58 @@ void CPUParticles2D::_bind_methods() {
 	ADD_GROUP("Gravity", "");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "gravity"), "set_gravity", "get_gravity");
 	ADD_GROUP("Initial Velocity", "initial_");
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "initial_velocity", PROPERTY_HINT_RANGE, "0,1000,0.01,or_greater"), "set_param", "get_param", PARAM_INITIAL_LINEAR_VELOCITY);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "initial_velocity_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_INITIAL_LINEAR_VELOCITY);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "initial_velocity_min", PROPERTY_HINT_RANGE, "0,1000,0.01,or_greater"), "set_param_min", "get_param_min", PARAM_INITIAL_LINEAR_VELOCITY);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "initial_velocity_max", PROPERTY_HINT_RANGE, "0,1000,0.01,or_greater"), "set_param_max", "get_param_max", PARAM_INITIAL_LINEAR_VELOCITY);
 	ADD_GROUP("Angular Velocity", "angular_");
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "angular_velocity", PROPERTY_HINT_RANGE, "-720,720,0.01,or_lesser,or_greater"), "set_param", "get_param", PARAM_ANGULAR_VELOCITY);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "angular_velocity_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ANGULAR_VELOCITY);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "angular_velocity_min", PROPERTY_HINT_RANGE, "-720,720,0.01,or_lesser,or_greater"), "set_param_min", "get_param_min", PARAM_ANGULAR_VELOCITY);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "angular_velocity_max", PROPERTY_HINT_RANGE, "-720,720,0.01,or_lesser,or_greater"), "set_param_max", "get_param_max", PARAM_ANGULAR_VELOCITY);
 	ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "angular_velocity_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_ANGULAR_VELOCITY);
 	ADD_GROUP("Orbit Velocity", "orbit_");
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "orbit_velocity", PROPERTY_HINT_RANGE, "-1000,1000,0.01,or_lesser,or_greater"), "set_param", "get_param", PARAM_ORBIT_VELOCITY);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "orbit_velocity_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ORBIT_VELOCITY);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "orbit_velocity_min", PROPERTY_HINT_RANGE, "-1000,1000,0.01,or_lesser,or_greater"), "set_param_min", "get_param_min", PARAM_ORBIT_VELOCITY);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "orbit_velocity_max", PROPERTY_HINT_RANGE, "-1000,1000,0.01,or_lesser,or_greater"), "set_param_max", "get_param_max", PARAM_ORBIT_VELOCITY);
 	ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "orbit_velocity_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_ORBIT_VELOCITY);
 	ADD_GROUP("Linear Accel", "linear_");
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "linear_accel", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param", "get_param", PARAM_LINEAR_ACCEL);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "linear_accel_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_LINEAR_ACCEL);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "linear_accel_min", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param_min", "get_param_min", PARAM_LINEAR_ACCEL);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "linear_accel_max", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param_max", "get_param_max", PARAM_LINEAR_ACCEL);
 	ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "linear_accel_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_LINEAR_ACCEL);
 	ADD_GROUP("Radial Accel", "radial_");
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "radial_accel", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param", "get_param", PARAM_RADIAL_ACCEL);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "radial_accel_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_RADIAL_ACCEL);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "radial_accel_min", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param_min", "get_param_min", PARAM_RADIAL_ACCEL);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "radial_accel_max", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param_max", "get_param_max", PARAM_RADIAL_ACCEL);
 	ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "radial_accel_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_RADIAL_ACCEL);
 	ADD_GROUP("Tangential Accel", "tangential_");
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "tangential_accel", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param", "get_param", PARAM_TANGENTIAL_ACCEL);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "tangential_accel_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_TANGENTIAL_ACCEL);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "tangential_accel_min", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param_min", "get_param_min", PARAM_TANGENTIAL_ACCEL);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "tangential_accel_max", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param_max", "get_param_max", PARAM_TANGENTIAL_ACCEL);
 	ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "tangential_accel_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_TANGENTIAL_ACCEL);
 	ADD_GROUP("Damping", "");
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "damping", PROPERTY_HINT_RANGE, "0,100,0.01"), "set_param", "get_param", PARAM_DAMPING);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "damping_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_DAMPING);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "damping_min", PROPERTY_HINT_RANGE, "0,100,0.01"), "set_param_min", "get_param_min", PARAM_DAMPING);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "damping_max", PROPERTY_HINT_RANGE, "0,100,0.01"), "set_param_max", "get_param_max", PARAM_DAMPING);
 	ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "damping_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_DAMPING);
 	ADD_GROUP("Angle", "");
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "angle", PROPERTY_HINT_RANGE, "-720,720,0.1,or_lesser,or_greater,degrees"), "set_param", "get_param", PARAM_ANGLE);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "angle_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ANGLE);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "angle_min", PROPERTY_HINT_RANGE, "-720,720,0.1,or_lesser,or_greater,degrees"), "set_param_min", "get_param_min", PARAM_ANGLE);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "angle_max", PROPERTY_HINT_RANGE, "-720,720,0.1,or_lesser,or_greater,degrees"), "set_param_max", "get_param_max", PARAM_ANGLE);
 	ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "angle_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_ANGLE);
 	ADD_GROUP("Scale", "");
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "scale_amount", PROPERTY_HINT_RANGE, "0,1000,0.01,or_greater"), "set_param", "get_param", PARAM_SCALE);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "scale_amount_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_SCALE);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "scale_amount_min", PROPERTY_HINT_RANGE, "0,1000,0.01,or_greater"), "set_param_min", "get_param_min", PARAM_SCALE);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "scale_amount_max", PROPERTY_HINT_RANGE, "0,1000,0.01,or_greater"), "set_param_max", "get_param_max", PARAM_SCALE);
 	ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "scale_amount_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_SCALE);
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "split_scale"), "set_split_scale", "get_split_scale");
+	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "scale_curve_x", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_scale_curve_x", "get_scale_curve_x");
+	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "scale_curve_y", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_scale_curve_y", "get_scale_curve_y");
+
 	ADD_GROUP("Color", "");
 	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_color", "get_color");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "color_ramp", PROPERTY_HINT_RESOURCE_TYPE, "Gradient"), "set_color_ramp", "get_color_ramp");
 
 	ADD_GROUP("Hue Variation", "hue_");
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "hue_variation", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_param", "get_param", PARAM_HUE_VARIATION);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "hue_variation_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_HUE_VARIATION);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "hue_variation_min", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_param_min", "get_param_min", PARAM_HUE_VARIATION);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "hue_variation_max", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_param_max", "get_param_max", PARAM_HUE_VARIATION);
 	ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "hue_variation_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_HUE_VARIATION);
 	ADD_GROUP("Animation", "anim_");
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_speed", PROPERTY_HINT_RANGE, "0,128,0.01,or_greater"), "set_param", "get_param", PARAM_ANIM_SPEED);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_speed_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ANIM_SPEED);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_speed_min", PROPERTY_HINT_RANGE, "0,128,0.01,or_greater,or_lesser"), "set_param_min", "get_param_min", PARAM_ANIM_SPEED);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_speed_max", PROPERTY_HINT_RANGE, "0,128,0.01,or_greater,or_lesser"), "set_param_max", "get_param_max", PARAM_ANIM_SPEED);
 	ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "anim_speed_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_ANIM_SPEED);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_offset", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param", "get_param", PARAM_ANIM_OFFSET);
-	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_offset_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ANIM_OFFSET);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_offset_min", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_min", "get_param_min", PARAM_ANIM_OFFSET);
+	ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_offset_max", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_max", "get_param_max", PARAM_ANIM_OFFSET);
 	ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "anim_offset_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_ANIM_OFFSET);
 
 	BIND_ENUM_CONSTANT(PARAM_INITIAL_LINEAR_VELOCITY);
@@ -1366,22 +1435,31 @@ CPUParticles2D::CPUParticles2D() {
 	set_amount(8);
 	set_use_local_coordinates(true);
 
-	set_param(PARAM_INITIAL_LINEAR_VELOCITY, 0);
-	set_param(PARAM_ANGULAR_VELOCITY, 0);
-	set_param(PARAM_ORBIT_VELOCITY, 0);
-	set_param(PARAM_LINEAR_ACCEL, 0);
-	set_param(PARAM_RADIAL_ACCEL, 0);
-	set_param(PARAM_TANGENTIAL_ACCEL, 0);
-	set_param(PARAM_DAMPING, 0);
-	set_param(PARAM_ANGLE, 0);
-	set_param(PARAM_SCALE, 1);
-	set_param(PARAM_HUE_VARIATION, 0);
-	set_param(PARAM_ANIM_SPEED, 0);
-	set_param(PARAM_ANIM_OFFSET, 0);
-
-	for (int i = 0; i < PARAM_MAX; i++) {
-		set_param_randomness(Parameter(i), 0);
-	}
+	set_param_min(PARAM_INITIAL_LINEAR_VELOCITY, 0);
+	set_param_min(PARAM_ANGULAR_VELOCITY, 0);
+	set_param_min(PARAM_ORBIT_VELOCITY, 0);
+	set_param_min(PARAM_LINEAR_ACCEL, 0);
+	set_param_min(PARAM_RADIAL_ACCEL, 0);
+	set_param_min(PARAM_TANGENTIAL_ACCEL, 0);
+	set_param_min(PARAM_DAMPING, 0);
+	set_param_min(PARAM_ANGLE, 0);
+	set_param_min(PARAM_SCALE, 1);
+	set_param_min(PARAM_HUE_VARIATION, 0);
+	set_param_min(PARAM_ANIM_SPEED, 0);
+	set_param_min(PARAM_ANIM_OFFSET, 0);
+
+	set_param_max(PARAM_INITIAL_LINEAR_VELOCITY, 0);
+	set_param_max(PARAM_ANGULAR_VELOCITY, 0);
+	set_param_max(PARAM_ORBIT_VELOCITY, 0);
+	set_param_max(PARAM_LINEAR_ACCEL, 0);
+	set_param_max(PARAM_RADIAL_ACCEL, 0);
+	set_param_max(PARAM_TANGENTIAL_ACCEL, 0);
+	set_param_max(PARAM_DAMPING, 0);
+	set_param_max(PARAM_ANGLE, 0);
+	set_param_max(PARAM_SCALE, 1);
+	set_param_max(PARAM_HUE_VARIATION, 0);
+	set_param_max(PARAM_ANIM_SPEED, 0);
+	set_param_max(PARAM_ANIM_OFFSET, 0);
 
 	for (int i = 0; i < PARTICLE_FLAG_MAX; i++) {
 		particle_flags[i] = false;
diff --git a/scene/2d/cpu_particles_2d.h b/scene/2d/cpu_particles_2d.h
index 0f8950375f..4990d443e3 100644
--- a/scene/2d/cpu_particles_2d.h
+++ b/scene/2d/cpu_particles_2d.h
@@ -150,8 +150,8 @@ private:
 	Vector2 direction = Vector2(1, 0);
 	real_t spread = 45.0;
 
-	real_t parameters[PARAM_MAX];
-	real_t randomness[PARAM_MAX];
+	real_t parameters_min[PARAM_MAX];
+	real_t parameters_max[PARAM_MAX];
 
 	Ref<Curve> curve_parameters[PARAM_MAX];
 	Color color;
@@ -167,6 +167,10 @@ private:
 	Vector<Color> emission_colors;
 	int emission_point_count = 0;
 
+	Ref<Curve> scale_curve_x;
+	Ref<Curve> scale_curve_y;
+	bool split_scale = false;
+
 	Vector2 gravity = Vector2(0, 980);
 
 	void _update_internal();
@@ -236,11 +240,11 @@ public:
 	void set_spread(real_t p_spread);
 	real_t get_spread() const;
 
-	void set_param(Parameter p_param, real_t p_value);
-	real_t get_param(Parameter p_param) const;
+	void set_param_min(Parameter p_param, real_t p_value);
+	real_t get_param_min(Parameter p_param) const;
 
-	void set_param_randomness(Parameter p_param, real_t p_value);
-	real_t get_param_randomness(Parameter p_param) const;
+	void set_param_max(Parameter p_param, real_t p_value);
+	real_t get_param_max(Parameter p_param) const;
 
 	void set_param_curve(Parameter p_param, const Ref<Curve> &p_curve);
 	Ref<Curve> get_param_curve(Parameter p_param) const;
@@ -261,6 +265,9 @@ public:
 	void set_emission_normals(const Vector<Vector2> &p_normals);
 	void set_emission_colors(const Vector<Color> &p_colors);
 	void set_emission_point_count(int p_count);
+	void set_scale_curve_x(Ref<Curve> p_scale_curve);
+	void set_scale_curve_y(Ref<Curve> p_scale_curve);
+	void set_split_scale(bool p_split_scale);
 
 	EmissionShape get_emission_shape() const;
 	real_t get_emission_sphere_radius() const;
@@ -269,6 +276,9 @@ public:
 	Vector<Vector2> get_emission_normals() const;
 	Vector<Color> get_emission_colors() const;
 	int get_emission_point_count() const;
+	Ref<Curve> get_scale_curve_x() const;
+	Ref<Curve> get_scale_curve_y() const;
+	bool get_split_scale();
 
 	void set_gravity(const Vector2 &p_gravity);
 	Vector2 get_gravity() const;
diff --git a/scene/2d/gpu_particles_2d.cpp b/scene/2d/gpu_particles_2d.cpp
index 47bf1bc77c..5bce705dd5 100644
--- a/scene/2d/gpu_particles_2d.cpp
+++ b/scene/2d/gpu_particles_2d.cpp
@@ -295,7 +295,7 @@ TypedArray<String> GPUParticles2D::get_configuration_warnings() const {
 		if (get_material().is_null() || (mat && !mat->get_particles_animation())) {
 			const ParticlesMaterial *process = Object::cast_to<ParticlesMaterial>(process_material.ptr());
 			if (process &&
-					(process->get_param(ParticlesMaterial::PARAM_ANIM_SPEED) != 0.0 || process->get_param(ParticlesMaterial::PARAM_ANIM_OFFSET) != 0.0 ||
+					(process->get_param_max(ParticlesMaterial::PARAM_ANIM_SPEED) != 0.0 || process->get_param_max(ParticlesMaterial::PARAM_ANIM_OFFSET) != 0.0 ||
 							process->get_param_texture(ParticlesMaterial::PARAM_ANIM_SPEED).is_valid() || process->get_param_texture(ParticlesMaterial::PARAM_ANIM_OFFSET).is_valid())) {
 				warnings.push_back(TTR("Particles2D animation requires the usage of a CanvasItemMaterial with \"Particles Animation\" enabled."));
 			}
diff --git a/scene/2d/physics_body_2d.cpp b/scene/2d/physics_body_2d.cpp
index 00da94c3b0..8d8b187445 100644
--- a/scene/2d/physics_body_2d.cpp
+++ b/scene/2d/physics_body_2d.cpp
@@ -70,12 +70,12 @@ Ref<KinematicCollision2D> PhysicsBody2D::_move(const Vector2 &p_motion, bool p_t
 	return Ref<KinematicCollision2D>();
 }
 
-bool PhysicsBody2D::move_and_collide(const Vector2 &p_motion, PhysicsServer2D::MotionResult &r_result, real_t p_margin, bool p_test_only, bool p_cancel_sliding, const Set<RID> &p_exclude) {
+bool PhysicsBody2D::move_and_collide(const Vector2 &p_motion, PhysicsServer2D::MotionResult &r_result, real_t p_margin, bool p_test_only, bool p_cancel_sliding, bool p_collide_separation_ray, const Set<RID> &p_exclude) {
 	if (is_only_update_transform_changes_enabled()) {
 		ERR_PRINT("Move functions do not work together with 'sync to physics' option. Please read the documentation.");
 	}
 	Transform2D gt = get_global_transform();
-	bool colliding = PhysicsServer2D::get_singleton()->body_test_motion(get_rid(), gt, p_motion, p_margin, &r_result, p_exclude);
+	bool colliding = PhysicsServer2D::get_singleton()->body_test_motion(get_rid(), gt, p_motion, p_margin, &r_result, p_collide_separation_ray, p_exclude);
 
 	// Restore direction of motion to be along original motion,
 	// in order to avoid sliding due to recovery,
@@ -529,9 +529,9 @@ void RigidBody2D::_direct_state_changed(Object *p_state) {
 		sleeping = state->is_sleeping();
 		emit_signal(SceneStringNames::get_singleton()->sleeping_state_changed);
 	}
-	if (get_script_instance()) {
-		get_script_instance()->call("_integrate_forces", state);
-	}
+
+	GDVIRTUAL_CALL(_integrate_forces, state);
+
 	set_block_transform_notify(false); // want it back
 
 	if (contact_monitor) {
@@ -978,7 +978,7 @@ void RigidBody2D::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("get_colliding_bodies"), &RigidBody2D::get_colliding_bodies);
 
-	BIND_VMETHOD(MethodInfo("_integrate_forces", PropertyInfo(Variant::OBJECT, "state", PROPERTY_HINT_RESOURCE_TYPE, "PhysicsDirectBodyState2D")));
+	GDVIRTUAL_BIND(_integrate_forces, "state");
 
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "mode", PROPERTY_HINT_ENUM, "Dynamic,Static,DynamicLocked,Kinematic"), "set_mode", "get_mode");
 	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "mass", PROPERTY_HINT_RANGE, "0.01,65535,0.01,exp"), "set_mass", "get_mass");
@@ -1075,16 +1075,30 @@ bool CharacterBody2D::move_and_slide() {
 		PhysicsServer2D::MotionResult floor_result;
 		Set<RID> exclude;
 		exclude.insert(platform_rid);
-		if (move_and_collide(current_platform_velocity * delta, floor_result, margin, false, false, exclude)) {
+		if (move_and_collide(current_platform_velocity * delta, floor_result, margin, false, false, false, exclude)) {
 			motion_results.push_back(floor_result);
 			_set_collision_direction(floor_result);
 		}
 	}
 
-	Vector2 motion = linear_velocity * delta;
+	if (motion_mode == MOTION_MODE_GROUNDED) {
+		_move_and_slide_grounded(delta, was_on_floor, current_platform_velocity);
+	} else {
+		_move_and_slide_free(delta);
+	}
+
+	if (!on_floor && !on_wall) {
+		// Add last platform velocity when just left a moving platform.
+		linear_velocity += current_platform_velocity;
+	}
+
+	return motion_results.size() > 0;
+}
+
+void CharacterBody2D::_move_and_slide_grounded(real_t p_delta, bool p_was_on_floor, const Vector2 &p_prev_platform_velocity) {
+	Vector2 motion = linear_velocity * p_delta;
 	Vector2 motion_slide_up = motion.slide(up_direction);
 
-	Vector2 prev_platform_velocity = current_platform_velocity;
 	Vector2 prev_floor_normal = floor_normal;
 	RID prev_platform_rid = platform_rid;
 	int prev_platform_layer = platform_layer;
@@ -1095,7 +1109,7 @@ bool CharacterBody2D::move_and_slide() {
 
 	// No sliding on first attempt to keep floor motion stable when possible,
 	// When stop on slope is enabled or when there is no up direction.
-	bool sliding_enabled = !floor_stop_on_slope || up_direction == Vector2();
+	bool sliding_enabled = !floor_stop_on_slope;
 	// Constant speed can be applied only the first time sliding is enabled.
 	bool can_apply_constant_speed = sliding_enabled;
 	bool first_slide = true;
@@ -1104,14 +1118,12 @@ bool CharacterBody2D::move_and_slide() {
 
 	for (int iteration = 0; iteration < max_slides; ++iteration) {
 		PhysicsServer2D::MotionResult result;
-		bool found_collision = false;
 
 		Vector2 prev_position = get_global_transform().elements[2];
 
 		bool collided = move_and_collide(motion, result, margin, false, !sliding_enabled);
 
 		if (collided) {
-			found_collision = true;
 			motion_results.push_back(result);
 			_set_collision_direction(result);
 
@@ -1136,7 +1148,7 @@ bool CharacterBody2D::move_and_slide() {
 			// Move on floor only checks.
 			if (floor_block_on_wall && on_wall && motion_slide_up.dot(result.collision_normal) <= 0) {
 				// Avoid to move forward on a wall if floor_block_on_wall is true.
-				if (was_on_floor && !is_on_floor_only() && !vel_dir_facing_up) {
+				if (p_was_on_floor && !on_floor && !vel_dir_facing_up) {
 					// If the movement is large the body can be prevented from reaching the walls.
 					if (result.travel.length() <= margin) {
 						// Cancels the motion.
@@ -1147,15 +1159,14 @@ bool CharacterBody2D::move_and_slide() {
 					on_floor = true;
 					platform_rid = prev_platform_rid;
 					platform_layer = prev_platform_layer;
-
-					platform_velocity = prev_platform_velocity;
+					platform_velocity = p_prev_platform_velocity;
 					floor_normal = prev_floor_normal;
 					linear_velocity = Vector2();
 					motion = Vector2();
 					break;
 				}
 				// Prevents the body from being able to climb a slope when it moves forward against the wall.
-				else if (!is_on_floor_only()) {
+				else if (!on_floor) {
 					motion = up_direction * up_direction.dot(result.remainder);
 					motion = motion.slide(result.collision_normal);
 				} else {
@@ -1163,12 +1174,10 @@ bool CharacterBody2D::move_and_slide() {
 				}
 			}
 			// Constant Speed when the slope is upward.
-			else if (floor_constant_speed && is_on_floor_only() && can_apply_constant_speed && was_on_floor && motion.dot(result.collision_normal) < 0) {
+			else if (floor_constant_speed && is_on_floor_only() && can_apply_constant_speed && p_was_on_floor && motion.dot(result.collision_normal) < 0) {
 				can_apply_constant_speed = false;
 				Vector2 motion_slide_norm = result.remainder.slide(result.collision_normal).normalized();
-				if (!motion_slide_norm.is_equal_approx(Vector2())) {
-					motion = motion_slide_norm * (motion_slide_up.length() - result.travel.slide(up_direction).length() - last_travel.slide(up_direction).length());
-				}
+				motion = motion_slide_norm * (motion_slide_up.length() - result.travel.slide(up_direction).length() - last_travel.slide(up_direction).length());
 			}
 			// Regular sliding, the last part of the test handle the case when you don't want to slide on the ceiling.
 			else if ((sliding_enabled || !on_floor) && (!on_ceiling || slide_on_ceiling || !vel_dir_facing_up)) {
@@ -1201,7 +1210,7 @@ bool CharacterBody2D::move_and_slide() {
 		}
 		// When you move forward in a downward slope you don’t collide because you will be in the air.
 		// This test ensures that constant speed is applied, only if the player is still on the ground after the snap is applied.
-		else if (floor_constant_speed && first_slide && _on_floor_if_snapped(was_on_floor, vel_dir_facing_up)) {
+		else if (floor_constant_speed && first_slide && _on_floor_if_snapped(p_was_on_floor, vel_dir_facing_up)) {
 			can_apply_constant_speed = false;
 			sliding_enabled = true;
 			Transform2D gt = get_global_transform();
@@ -1209,49 +1218,78 @@ bool CharacterBody2D::move_and_slide() {
 			set_global_transform(gt);
 
 			Vector2 motion_slide_norm = motion.slide(prev_floor_normal).normalized();
-			if (!motion_slide_norm.is_equal_approx(Vector2())) {
-				motion = motion_slide_norm * (motion_slide_up.length());
-				found_collision = true;
-			}
+			motion = motion_slide_norm * (motion_slide_up.length());
+			collided = true;
 		}
 
 		can_apply_constant_speed = !can_apply_constant_speed && !sliding_enabled;
 		sliding_enabled = true;
 		first_slide = false;
 
-		if (!found_collision || motion.is_equal_approx(Vector2())) {
+		if (!collided || motion.is_equal_approx(Vector2())) {
 			break;
 		}
 	}
 
-	_snap_on_floor(was_on_floor, vel_dir_facing_up);
-
-	if (!on_floor && !on_wall) {
-		// Add last platform velocity when just left a moving platform.
-		linear_velocity += current_platform_velocity;
-	}
+	_snap_on_floor(p_was_on_floor, vel_dir_facing_up);
 
 	// Reset the gravity accumulation when touching the ground.
 	if (on_floor && !vel_dir_facing_up) {
 		linear_velocity = linear_velocity.slide(up_direction);
 	}
+}
 
-	return motion_results.size() > 0;
+void CharacterBody2D::_move_and_slide_free(real_t p_delta) {
+	Vector2 motion = linear_velocity * p_delta;
+
+	platform_rid = RID();
+	floor_normal = Vector2();
+	platform_velocity = Vector2();
+
+	bool first_slide = true;
+	for (int iteration = 0; iteration < max_slides; ++iteration) {
+		PhysicsServer2D::MotionResult result;
+
+		bool collided = move_and_collide(motion, result, margin, false, false);
+
+		if (collided) {
+			motion_results.push_back(result);
+			_set_collision_direction(result);
+
+			if (free_mode_min_slide_angle != 0 && result.get_angle(-linear_velocity.normalized()) < free_mode_min_slide_angle + FLOOR_ANGLE_THRESHOLD) {
+				motion = Vector2();
+			} else if (first_slide) {
+				Vector2 motion_slide_norm = result.remainder.slide(result.collision_normal).normalized();
+				motion = motion_slide_norm * (motion.length() - result.travel.length());
+			} else {
+				motion = result.remainder.slide(result.collision_normal);
+			}
+
+			if (motion.dot(linear_velocity) <= 0.0) {
+				motion = Vector2();
+			}
+		}
+
+		first_slide = false;
+
+		if (!collided || motion.is_equal_approx(Vector2())) {
+			break;
+		}
+	}
 }
 
 void CharacterBody2D::_snap_on_floor(bool was_on_floor, bool vel_dir_facing_up) {
-	if (Math::is_equal_approx(floor_snap_length, 0) || up_direction == Vector2() || on_floor || !was_on_floor || vel_dir_facing_up) {
+	if (Math::is_equal_approx(floor_snap_length, 0) || on_floor || !was_on_floor || vel_dir_facing_up) {
 		return;
 	}
 
 	Transform2D gt = get_global_transform();
 	PhysicsServer2D::MotionResult result;
-	if (move_and_collide(up_direction * -floor_snap_length, result, margin, true, false)) {
+	if (move_and_collide(up_direction * -floor_snap_length, result, margin, true, false, true)) {
 		bool apply = true;
 		if (result.get_angle(up_direction) <= floor_max_angle + FLOOR_ANGLE_THRESHOLD) {
 			on_floor = true;
 			floor_normal = result.collision_normal;
-			platform_velocity = result.collider_velocity;
 			_set_platform_data(result);
 
 			if (floor_stop_on_slope) {
@@ -1280,7 +1318,7 @@ bool CharacterBody2D::_on_floor_if_snapped(bool was_on_floor, bool vel_dir_facin
 	}
 
 	PhysicsServer2D::MotionResult result;
-	if (move_and_collide(up_direction * -floor_snap_length, result, margin, true, false)) {
+	if (move_and_collide(up_direction * -floor_snap_length, result, margin, true, false, true)) {
 		if (result.get_angle(up_direction) <= floor_max_angle + FLOOR_ANGLE_THRESHOLD) {
 			return true;
 		}
@@ -1290,26 +1328,24 @@ bool CharacterBody2D::_on_floor_if_snapped(bool was_on_floor, bool vel_dir_facin
 }
 
 void CharacterBody2D::_set_collision_direction(const PhysicsServer2D::MotionResult &p_result) {
-	if (up_direction == Vector2()) {
-		return;
-	}
-
-	if (p_result.get_angle(up_direction) <= floor_max_angle + FLOOR_ANGLE_THRESHOLD) { //floor
+	if (motion_mode == MOTION_MODE_GROUNDED && p_result.get_angle(up_direction) <= floor_max_angle + FLOOR_ANGLE_THRESHOLD) { //floor
 		on_floor = true;
 		floor_normal = p_result.collision_normal;
-		platform_velocity = p_result.collider_velocity;
 		_set_platform_data(p_result);
-	} else if (p_result.get_angle(-up_direction) <= floor_max_angle + FLOOR_ANGLE_THRESHOLD) { //ceiling
+	} else if (motion_mode == MOTION_MODE_GROUNDED && p_result.get_angle(-up_direction) <= floor_max_angle + FLOOR_ANGLE_THRESHOLD) { //ceiling
 		on_ceiling = true;
 	} else {
 		on_wall = true;
-		platform_velocity = p_result.collider_velocity;
-		_set_platform_data(p_result);
+		// Don't apply wall velocity when the collider is a CharacterBody2D.
+		if (Object::cast_to<CharacterBody2D>(ObjectDB::get_instance(p_result.collider_id)) == nullptr) {
+			_set_platform_data(p_result);
+		}
 	}
 }
 
 void CharacterBody2D::_set_platform_data(const PhysicsServer2D::MotionResult &p_result) {
 	platform_rid = p_result.collider;
+	platform_velocity = p_result.collider_velocity;
 	platform_layer = 0;
 	CollisionObject2D *collision_object = Object::cast_to<CollisionObject2D>(ObjectDB::get_instance(p_result.collider_id));
 	if (collision_object) {
@@ -1441,6 +1477,14 @@ void CharacterBody2D::set_moving_platform_ignore_layers(uint32_t p_exclude_layer
 	moving_platform_ignore_layers = p_exclude_layers;
 }
 
+void CharacterBody2D::set_motion_mode(MotionMode p_mode) {
+	motion_mode = p_mode;
+}
+
+CharacterBody2D::MotionMode CharacterBody2D::get_motion_mode() const {
+	return motion_mode;
+}
+
 int CharacterBody2D::get_max_slides() const {
 	return max_slides;
 }
@@ -1467,11 +1511,20 @@ void CharacterBody2D::set_floor_snap_length(real_t p_floor_snap_length) {
 	floor_snap_length = p_floor_snap_length;
 }
 
+real_t CharacterBody2D::get_free_mode_min_slide_angle() const {
+	return free_mode_min_slide_angle;
+}
+
+void CharacterBody2D::set_free_mode_min_slide_angle(real_t p_radians) {
+	free_mode_min_slide_angle = p_radians;
+}
+
 const Vector2 &CharacterBody2D::get_up_direction() const {
 	return up_direction;
 }
 
 void CharacterBody2D::set_up_direction(const Vector2 &p_up_direction) {
+	ERR_FAIL_COND_MSG(p_up_direction == Vector2(), "up_direction can't be equal to Vector2.ZERO, consider using Free motion mode instead.");
 	up_direction = p_up_direction.normalized();
 }
 
@@ -1515,8 +1568,12 @@ void CharacterBody2D::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_floor_max_angle", "radians"), &CharacterBody2D::set_floor_max_angle);
 	ClassDB::bind_method(D_METHOD("get_floor_snap_length"), &CharacterBody2D::get_floor_snap_length);
 	ClassDB::bind_method(D_METHOD("set_floor_snap_length", "floor_snap_length"), &CharacterBody2D::set_floor_snap_length);
+	ClassDB::bind_method(D_METHOD("get_free_mode_min_slide_angle"), &CharacterBody2D::get_free_mode_min_slide_angle);
+	ClassDB::bind_method(D_METHOD("set_free_mode_min_slide_angle", "radians"), &CharacterBody2D::set_free_mode_min_slide_angle);
 	ClassDB::bind_method(D_METHOD("get_up_direction"), &CharacterBody2D::get_up_direction);
 	ClassDB::bind_method(D_METHOD("set_up_direction", "up_direction"), &CharacterBody2D::set_up_direction);
+	ClassDB::bind_method(D_METHOD("set_motion_mode", "mode"), &CharacterBody2D::set_motion_mode);
+	ClassDB::bind_method(D_METHOD("get_motion_mode"), &CharacterBody2D::get_motion_mode);
 
 	ClassDB::bind_method(D_METHOD("is_on_floor"), &CharacterBody2D::is_on_floor);
 	ClassDB::bind_method(D_METHOD("is_on_floor_only"), &CharacterBody2D::is_on_floor_only);
@@ -1531,10 +1588,13 @@ void CharacterBody2D::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_slide_collision", "slide_idx"), &CharacterBody2D::_get_slide_collision);
 	ClassDB::bind_method(D_METHOD("get_last_slide_collision"), &CharacterBody2D::_get_last_slide_collision);
 
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "motion_mode", PROPERTY_HINT_ENUM, "Grounded,Free", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), "set_motion_mode", "get_motion_mode");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "linear_velocity"), "set_linear_velocity", "get_linear_velocity");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "slide_on_ceiling"), "set_slide_on_ceiling_enabled", "is_slide_on_ceiling_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "max_slides", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_max_slides", "get_max_slides");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "up_direction"), "set_up_direction", "get_up_direction");
+	ADD_GROUP("Free Mode", "free_mode_");
+	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "free_mode_min_slide_angle", PROPERTY_HINT_RANGE, "0,180,0.1,radians", PROPERTY_USAGE_DEFAULT), "set_free_mode_min_slide_angle", "get_free_mode_min_slide_angle");
 	ADD_GROUP("Floor", "floor_");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "floor_stop_on_slope"), "set_floor_stop_on_slope_enabled", "is_floor_stop_on_slope_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "floor_constant_speed"), "set_floor_constant_speed_enabled", "is_floor_constant_speed_enabled");
@@ -1544,6 +1604,21 @@ void CharacterBody2D::_bind_methods() {
 	ADD_GROUP("Moving platform", "moving_platform");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "moving_platform_ignore_layers", PROPERTY_HINT_LAYERS_2D_PHYSICS), "set_moving_platform_ignore_layers", "get_moving_platform_ignore_layers");
 	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "collision/safe_margin", PROPERTY_HINT_RANGE, "0.001,256,0.001"), "set_safe_margin", "get_safe_margin");
+
+	BIND_ENUM_CONSTANT(MOTION_MODE_GROUNDED);
+	BIND_ENUM_CONSTANT(MOTION_MODE_FREE);
+}
+
+void CharacterBody2D::_validate_property(PropertyInfo &property) const {
+	if (motion_mode == MOTION_MODE_FREE) {
+		if (property.name.begins_with("floor_") || property.name == "up_direction" || property.name == "slide_on_ceiling") {
+			property.usage = PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL;
+		}
+	} else {
+		if (property.name == "free_mode_min_slide_angle") {
+			property.usage = PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL;
+		}
+	}
 }
 
 CharacterBody2D::CharacterBody2D() :
diff --git a/scene/2d/physics_body_2d.h b/scene/2d/physics_body_2d.h
index 81c5067146..885f0ace05 100644
--- a/scene/2d/physics_body_2d.h
+++ b/scene/2d/physics_body_2d.h
@@ -50,7 +50,7 @@ protected:
 	Ref<KinematicCollision2D> _move(const Vector2 &p_motion, bool p_test_only = false, real_t p_margin = 0.08);
 
 public:
-	bool move_and_collide(const Vector2 &p_motion, PhysicsServer2D::MotionResult &r_result, real_t p_margin, bool p_test_only = false, bool p_cancel_sliding = true, const Set<RID> &p_exclude = Set<RID>());
+	bool move_and_collide(const Vector2 &p_motion, PhysicsServer2D::MotionResult &r_result, real_t p_margin, bool p_test_only = false, bool p_cancel_sliding = true, bool p_collide_separation_ray = false, const Set<RID> &p_exclude = Set<RID>());
 	bool test_move(const Transform2D &p_from, const Vector2 &p_motion, const Ref<KinematicCollision2D> &r_collision = Ref<KinematicCollision2D>(), real_t p_margin = 0.08);
 
 	TypedArray<PhysicsBody2D> get_collision_exceptions();
@@ -189,6 +189,8 @@ protected:
 	void _notification(int p_what);
 	static void _bind_methods();
 
+	GDVIRTUAL1(_integrate_forces, PhysicsDirectBodyState2D *)
+
 public:
 	void set_mode(Mode p_mode);
 	Mode get_mode() const;
@@ -268,8 +270,35 @@ VARIANT_ENUM_CAST(RigidBody2D::CCDMode);
 class CharacterBody2D : public PhysicsBody2D {
 	GDCLASS(CharacterBody2D, PhysicsBody2D);
 
+public:
+	enum MotionMode {
+		MOTION_MODE_GROUNDED,
+		MOTION_MODE_FREE,
+	};
+	bool move_and_slide();
+
+	const Vector2 &get_linear_velocity() const;
+	void set_linear_velocity(const Vector2 &p_velocity);
+
+	bool is_on_floor() const;
+	bool is_on_floor_only() const;
+	bool is_on_wall() const;
+	bool is_on_wall_only() const;
+	bool is_on_ceiling() const;
+	bool is_on_ceiling_only() const;
+	Vector2 get_floor_normal() const;
+	real_t get_floor_angle(const Vector2 &p_up_direction = Vector2(0.0, -1.0)) const;
+	Vector2 get_platform_velocity() const;
+
+	int get_slide_collision_count() const;
+	PhysicsServer2D::MotionResult get_slide_collision(int p_bounce) const;
+
+	CharacterBody2D();
+	~CharacterBody2D();
+
 private:
 	real_t margin = 0.08;
+	MotionMode motion_mode = MOTION_MODE_GROUNDED;
 
 	bool floor_stop_on_slope = false;
 	bool floor_constant_speed = false;
@@ -279,6 +308,7 @@ private:
 	int platform_layer;
 	real_t floor_max_angle = Math::deg2rad((real_t)45.0);
 	float floor_snap_length = 0;
+	real_t free_mode_min_slide_angle = Math::deg2rad((real_t)15.0);
 	Vector2 up_direction = Vector2(0.0, -1.0);
 	uint32_t moving_platform_ignore_layers = 0;
 	Vector2 linear_velocity;
@@ -317,9 +347,18 @@ private:
 	real_t get_floor_snap_length();
 	void set_floor_snap_length(real_t p_floor_snap_length);
 
+	real_t get_free_mode_min_slide_angle() const;
+	void set_free_mode_min_slide_angle(real_t p_radians);
+
 	uint32_t get_moving_platform_ignore_layers() const;
 	void set_moving_platform_ignore_layers(const uint32_t p_exclude_layer);
 
+	void set_motion_mode(MotionMode p_mode);
+	MotionMode get_motion_mode() const;
+
+	void _move_and_slide_free(real_t p_delta);
+	void _move_and_slide_grounded(real_t p_delta, bool p_was_on_floor, const Vector2 &p_prev_platform_velocity);
+
 	Ref<KinematicCollision2D> _get_slide_collision(int p_bounce);
 	Ref<KinematicCollision2D> _get_last_slide_collision();
 	const Vector2 &get_up_direction() const;
@@ -332,30 +371,11 @@ private:
 protected:
 	void _notification(int p_what);
 	static void _bind_methods();
-
-public:
-	bool move_and_slide();
-
-	const Vector2 &get_linear_velocity() const;
-	void set_linear_velocity(const Vector2 &p_velocity);
-
-	bool is_on_floor() const;
-	bool is_on_floor_only() const;
-	bool is_on_wall() const;
-	bool is_on_wall_only() const;
-	bool is_on_ceiling() const;
-	bool is_on_ceiling_only() const;
-	Vector2 get_floor_normal() const;
-	real_t get_floor_angle(const Vector2 &p_up_direction = Vector2(0.0, -1.0)) const;
-	Vector2 get_platform_velocity() const;
-
-	int get_slide_collision_count() const;
-	PhysicsServer2D::MotionResult get_slide_collision(int p_bounce) const;
-
-	CharacterBody2D();
-	~CharacterBody2D();
+	virtual void _validate_property(PropertyInfo &property) const override;
 };
 
+VARIANT_ENUM_CAST(CharacterBody2D::MotionMode);
+
 class KinematicCollision2D : public RefCounted {
 	GDCLASS(KinematicCollision2D, RefCounted);
 
diff --git a/scene/2d/tile_map.cpp b/scene/2d/tile_map.cpp
index 74eb3f2fc2..13f1d258a8 100644
--- a/scene/2d/tile_map.cpp
+++ b/scene/2d/tile_map.cpp
@@ -782,7 +782,7 @@ void TileMap::_rendering_update_dirty_quadrants(SelfList<TileMapQuadrant>::List
 					// Get the tile data.
 					TileData *tile_data = Object::cast_to<TileData>(atlas_source->get_tile_data(c.get_atlas_coords(), c.alternative_tile));
 					Ref<ShaderMaterial> mat = tile_data->tile_get_material();
-					int z_index = layers[q.layer].z_index + tile_data->get_z_index();
+					int z_index = tile_data->get_z_index();
 
 					// Quandrant pos.
 					Vector2 position = map_to_world(q.coords * get_effective_quadrant_size(q.layer));
@@ -1051,9 +1051,13 @@ void TileMap::_physics_update_dirty_quadrants(SelfList<TileMapQuadrant>::List &r
 
 		Vector2 quadrant_pos = map_to_world(q.coords * get_effective_quadrant_size(q.layer));
 
+		LocalVector<int> body_shape_count;
+		body_shape_count.resize(q.bodies.size());
+
 		// Clear shapes.
 		for (int body_index = 0; body_index < q.bodies.size(); body_index++) {
 			ps->body_clear_shapes(q.bodies[body_index]);
+			body_shape_count[body_index] = 0;
 
 			// Position the bodies.
 			Transform2D xform;
@@ -1078,6 +1082,8 @@ void TileMap::_physics_update_dirty_quadrants(SelfList<TileMapQuadrant>::List &r
 					TileData *tile_data = Object::cast_to<TileData>(atlas_source->get_tile_data(c.get_atlas_coords(), c.alternative_tile));
 
 					for (int body_index = 0; body_index < q.bodies.size(); body_index++) {
+						int &body_shape_index = body_shape_count[body_index];
+
 						// Add the shapes again.
 						for (int polygon_index = 0; polygon_index < tile_data->get_collision_polygons_count(body_index); polygon_index++) {
 							bool one_way_collision = tile_data->is_collision_polygon_one_way(body_index, polygon_index);
@@ -1091,8 +1097,10 @@ void TileMap::_physics_update_dirty_quadrants(SelfList<TileMapQuadrant>::List &r
 								// Add decomposed convex shapes.
 								Ref<ConvexPolygonShape2D> shape = tile_data->get_collision_polygon_shape(body_index, polygon_index, shape_index);
 								ps->body_add_shape(q.bodies[body_index], shape->get_rid(), xform);
-								ps->body_set_shape_metadata(q.bodies[body_index], shape_index, E_cell->get());
-								ps->body_set_shape_as_one_way_collision(q.bodies[body_index], shape_index, one_way_collision, one_way_collision_margin);
+								ps->body_set_shape_metadata(q.bodies[body_index], body_shape_index, E_cell->get());
+								ps->body_set_shape_as_one_way_collision(q.bodies[body_index], body_shape_index, one_way_collision, one_way_collision_margin);
+
+								++body_shape_index;
 							}
 						}
 					}
diff --git a/scene/2d/touch_screen_button.cpp b/scene/2d/touch_screen_button.cpp
index 00e4e1dc62..8bd7b696f2 100644
--- a/scene/2d/touch_screen_button.cpp
+++ b/scene/2d/touch_screen_button.cpp
@@ -185,7 +185,7 @@ String TouchScreenButton::get_action() const {
 	return action;
 }
 
-void TouchScreenButton::_input(const Ref<InputEvent> &p_event) {
+void TouchScreenButton::input(const Ref<InputEvent> &p_event) {
 	ERR_FAIL_COND(p_event.is_null());
 
 	if (!get_tree()) {
@@ -288,7 +288,7 @@ void TouchScreenButton::_press(int p_finger_pressed) {
 		iea.instantiate();
 		iea->set_action(action);
 		iea->set_pressed(true);
-		get_viewport()->input(iea, true);
+		get_viewport()->push_input(iea, true);
 	}
 
 	emit_signal(SNAME("pressed"));
@@ -305,7 +305,7 @@ void TouchScreenButton::_release(bool p_exiting_tree) {
 			iea.instantiate();
 			iea->set_action(action);
 			iea->set_pressed(false);
-			get_viewport()->input(iea, true);
+			get_viewport()->push_input(iea, true);
 		}
 	}
 
@@ -384,8 +384,6 @@ void TouchScreenButton::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("is_pressed"), &TouchScreenButton::is_pressed);
 
-	ClassDB::bind_method(D_METHOD("_input"), &TouchScreenButton::_input);
-
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "normal", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_texture", "get_texture");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "pressed", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_texture_pressed", "get_texture_pressed");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "bitmask", PROPERTY_HINT_RESOURCE_TYPE, "BitMap"), "set_bitmask", "get_bitmask");
diff --git a/scene/2d/touch_screen_button.h b/scene/2d/touch_screen_button.h
index 10820ad059..1c515149d4 100644
--- a/scene/2d/touch_screen_button.h
+++ b/scene/2d/touch_screen_button.h
@@ -61,7 +61,7 @@ private:
 
 	VisibilityMode visibility = VISIBILITY_ALWAYS;
 
-	void _input(const Ref<InputEvent> &p_event);
+	virtual void input(const Ref<InputEvent> &p_event) override;
 
 	bool _is_point_inside(const Point2 &p_point);