Change time parameters and variables to double type

Addresses #65313

8 files changed, 114 insertions, 114 deletions

diff --git a/scene/animation/animation_blend_tree.cpp b/scene/animation/animation_blend_tree.cpp
index 1efbaacb3b..c063d8f1bf 100644
--- a/scene/animation/animation_blend_tree.cpp
+++ b/scene/animation/animation_blend_tree.cpp
@@ -217,19 +217,19 @@ Variant AnimationNodeOneShot::get_parameter_default_value(const StringName &p_pa
 	}
 }
 
-void AnimationNodeOneShot::set_fadein_time(float p_time) {
+void AnimationNodeOneShot::set_fadein_time(double p_time) {
 	fade_in = p_time;
 }
 
-void AnimationNodeOneShot::set_fadeout_time(float p_time) {
+void AnimationNodeOneShot::set_fadeout_time(double p_time) {
 	fade_out = p_time;
 }
 
-float AnimationNodeOneShot::get_fadein_time() const {
+double AnimationNodeOneShot::get_fadein_time() const {
 	return fade_in;
 }
 
-float AnimationNodeOneShot::get_fadeout_time() const {
+double AnimationNodeOneShot::get_fadeout_time() const {
 	return fade_out;
 }
 
@@ -237,11 +237,11 @@ void AnimationNodeOneShot::set_autorestart(bool p_active) {
 	autorestart = p_active;
 }
 
-void AnimationNodeOneShot::set_autorestart_delay(float p_time) {
+void AnimationNodeOneShot::set_autorestart_delay(double p_time) {
 	autorestart_delay = p_time;
 }
 
-void AnimationNodeOneShot::set_autorestart_random_delay(float p_time) {
+void AnimationNodeOneShot::set_autorestart_random_delay(double p_time) {
 	autorestart_random_delay = p_time;
 }
 
@@ -249,11 +249,11 @@ bool AnimationNodeOneShot::has_autorestart() const {
 	return autorestart;
 }
 
-float AnimationNodeOneShot::get_autorestart_delay() const {
+double AnimationNodeOneShot::get_autorestart_delay() const {
 	return autorestart_delay;
 }
 
-float AnimationNodeOneShot::get_autorestart_random_delay() const {
+double AnimationNodeOneShot::get_autorestart_random_delay() const {
 	return autorestart_random_delay;
 }
 
@@ -313,7 +313,7 @@ double AnimationNodeOneShot::process(double p_time, bool p_seek, bool p_seek_roo
 		set_parameter(this->prev_active, true);
 	}
 
-	float blend;
+	real_t blend;
 
 	if (time < fade_in) {
 		if (fade_in > 0) {
@@ -351,7 +351,7 @@ double AnimationNodeOneShot::process(double p_time, bool p_seek, bool p_seek_roo
 			set_parameter(this->active, false);
 			set_parameter(this->prev_active, false);
 			if (autorestart) {
-				float restart_sec = autorestart_delay + Math::randf() * autorestart_random_delay;
+				double restart_sec = autorestart_delay + Math::randd() * autorestart_random_delay;
 				set_parameter(this->time_to_restart, restart_sec);
 			}
 		}
@@ -676,11 +676,11 @@ String AnimationNodeTransition::get_input_caption(int p_input) const {
 	return inputs[p_input].name;
 }
 
-void AnimationNodeTransition::set_xfade_time(float p_fade) {
+void AnimationNodeTransition::set_xfade_time(double p_fade) {
 	xfade_time = p_fade;
 }
 
-float AnimationNodeTransition::get_xfade_time() const {
+double AnimationNodeTransition::get_xfade_time() const {
 	return xfade_time;
 }
 
@@ -748,7 +748,7 @@ double AnimationNodeTransition::process(double p_time, bool p_seek, bool p_seek_
 
 	} else { // cross-fading from prev to current
 
-		float blend = xfade_time == 0 ? 0 : (prev_xfading / xfade_time);
+		real_t blend = xfade_time == 0 ? 0 : (prev_xfading / xfade_time);
 		if (xfade_curve.is_valid()) {
 			blend = xfade_curve->sample(blend);
 		}
diff --git a/scene/animation/animation_blend_tree.h b/scene/animation/animation_blend_tree.h
index 59c074cc80..1c31718259 100644
--- a/scene/animation/animation_blend_tree.h
+++ b/scene/animation/animation_blend_tree.h
@@ -102,18 +102,18 @@ public:
 	};
 
 private:
-	float fade_in = 0.0;
-	float fade_out = 0.0;
+	double fade_in = 0.0;
+	double fade_out = 0.0;
 
 	bool autorestart = false;
-	float autorestart_delay = 1.0;
-	float autorestart_random_delay = 0.0;
+	double autorestart_delay = 1.0;
+	double autorestart_random_delay = 0.0;
 	MixMode mix = MIX_MODE_BLEND;
 
 	/*	bool active;
 	bool do_start;
-	float time;
-	float remaining;*/
+	double time;
+	double remaining;*/
 
 	StringName active = PNAME("active");
 	StringName prev_active = "prev_active";
@@ -130,19 +130,19 @@ public:
 
 	virtual String get_caption() const override;
 
-	void set_fadein_time(float p_time);
-	void set_fadeout_time(float p_time);
+	void set_fadein_time(double p_time);
+	void set_fadeout_time(double p_time);
 
-	float get_fadein_time() const;
-	float get_fadeout_time() const;
+	double get_fadein_time() const;
+	double get_fadeout_time() const;
 
 	void set_autorestart(bool p_active);
-	void set_autorestart_delay(float p_time);
-	void set_autorestart_random_delay(float p_time);
+	void set_autorestart_delay(double p_time);
+	void set_autorestart_random_delay(double p_time);
 
 	bool has_autorestart() const;
-	float get_autorestart_delay() const;
-	float get_autorestart_random_delay() const;
+	double get_autorestart_delay() const;
+	double get_autorestart_random_delay() const;
 
 	void set_mix_mode(MixMode p_mix);
 	MixMode get_mix_mode() const;
@@ -285,9 +285,9 @@ class AnimationNodeTransition : public AnimationNodeSync {
 	int enabled_inputs = 0;
 
 	/*
-	float prev_xfading;
+	double prev_xfading;
 	int prev;
-	float time;
+	double time;
 	int current;
 	int prev_current; */
 
@@ -297,7 +297,7 @@ class AnimationNodeTransition : public AnimationNodeSync {
 	StringName current = PNAME("current");
 	StringName prev_current = "prev_current";
 
-	float xfade_time = 0.0;
+	double xfade_time = 0.0;
 	Ref<Curve> xfade_curve;
 	bool from_start = true;
 
@@ -322,8 +322,8 @@ public:
 	void set_input_caption(int p_input, const String &p_name);
 	String get_input_caption(int p_input) const;
 
-	void set_xfade_time(float p_fade);
-	float get_xfade_time() const;
+	void set_xfade_time(double p_fade);
+	double get_xfade_time() const;
 
 	void set_xfade_curve(const Ref<Curve> &p_curve);
 	Ref<Curve> get_xfade_curve() const;
diff --git a/scene/animation/animation_player.cpp b/scene/animation/animation_player.cpp
index ce9406883d..54b10d9d57 100644
--- a/scene/animation/animation_player.cpp
+++ b/scene/animation/animation_player.cpp
@@ -156,7 +156,7 @@ bool AnimationPlayer::_get(const StringName &p_name, Variant &r_ret) const {
 
 	} else if (name == "blend_times") {
 		Vector<BlendKey> keys;
-		for (const KeyValue<BlendKey, float> &E : blend_times) {
+		for (const KeyValue<BlendKey, double> &E : blend_times) {
 			keys.ordered_insert(E.key);
 		}
 
@@ -216,7 +216,7 @@ void AnimationPlayer::_get_property_list(List<PropertyInfo> *p_list) const {
 	p_list->push_back(PropertyInfo(Variant::ARRAY, "blend_times", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL));
 }
 
-void AnimationPlayer::advance(float p_time) {
+void AnimationPlayer::advance(double p_time) {
 	_animation_process(p_time);
 }
 
@@ -1287,7 +1287,7 @@ void AnimationPlayer::_animation_removed(const StringName &p_name, const StringN
 
 	// Erase blends if needed
 	List<BlendKey> to_erase;
-	for (const KeyValue<BlendKey, float> &E : blend_times) {
+	for (const KeyValue<BlendKey, double> &E : blend_times) {
 		BlendKey bk = E.key;
 		if (bk.from == name || bk.to == name) {
 			to_erase.push_back(bk);
@@ -1303,8 +1303,8 @@ void AnimationPlayer::_animation_removed(const StringName &p_name, const StringN
 void AnimationPlayer::_rename_animation(const StringName &p_from_name, const StringName &p_to_name) {
 	// Rename autoplay or blends if needed.
 	List<BlendKey> to_erase;
-	HashMap<BlendKey, float, BlendKey> to_insert;
-	for (const KeyValue<BlendKey, float> &E : blend_times) {
+	HashMap<BlendKey, double, BlendKey> to_insert;
+	for (const KeyValue<BlendKey, double> &E : blend_times) {
 		BlendKey bk = E.key;
 		BlendKey new_bk = bk;
 		bool erase = false;
@@ -1523,7 +1523,7 @@ void AnimationPlayer::get_animation_list(List<StringName> *p_animations) const {
 	}
 }
 
-void AnimationPlayer::set_blend_time(const StringName &p_animation1, const StringName &p_animation2, float p_time) {
+void AnimationPlayer::set_blend_time(const StringName &p_animation1, const StringName &p_animation2, double p_time) {
 	ERR_FAIL_COND_MSG(!animation_set.has(p_animation1), vformat("Animation not found: %s.", p_animation1));
 	ERR_FAIL_COND_MSG(!animation_set.has(p_animation2), vformat("Animation not found: %s.", p_animation2));
 	ERR_FAIL_COND_MSG(p_time < 0, "Blend time cannot be smaller than 0.");
@@ -1538,7 +1538,7 @@ void AnimationPlayer::set_blend_time(const StringName &p_animation1, const Strin
 	}
 }
 
-float AnimationPlayer::get_blend_time(const StringName &p_animation1, const StringName &p_animation2) const {
+double AnimationPlayer::get_blend_time(const StringName &p_animation1, const StringName &p_animation2) const {
 	BlendKey bk;
 	bk.from = p_animation1;
 	bk.to = p_animation2;
@@ -1571,11 +1571,11 @@ void AnimationPlayer::clear_queue() {
 	queued.clear();
 }
 
-void AnimationPlayer::play_backwards(const StringName &p_name, float p_custom_blend) {
+void AnimationPlayer::play_backwards(const StringName &p_name, double p_custom_blend) {
 	play(p_name, p_custom_blend, -1, true);
 }
 
-void AnimationPlayer::play(const StringName &p_name, float p_custom_blend, float p_custom_scale, bool p_from_end) {
+void AnimationPlayer::play(const StringName &p_name, double p_custom_blend, float p_custom_scale, bool p_from_end) {
 	StringName name = p_name;
 
 	if (String(name) == "") {
@@ -1587,7 +1587,7 @@ void AnimationPlayer::play(const StringName &p_name, float p_custom_blend, float
 	Playback &c = playback;
 
 	if (c.current.from) {
-		float blend_time = 0.0;
+		double blend_time = 0.0;
 		// find if it can blend
 		BlendKey bk;
 		bk.from = c.current.from->name;
@@ -1741,7 +1741,7 @@ void AnimationPlayer::seek(double p_time, bool p_update) {
 	}
 }
 
-void AnimationPlayer::seek_delta(double p_time, float p_delta) {
+void AnimationPlayer::seek_delta(double p_time, double p_delta) {
 	if (!playback.current.from) {
 		if (playback.assigned) {
 			ERR_FAIL_COND_MSG(!animation_set.has(playback.assigned), vformat("Animation not found: %s.", playback.assigned));
@@ -1762,12 +1762,12 @@ bool AnimationPlayer::is_valid() const {
 	return (playback.current.from);
 }
 
-float AnimationPlayer::get_current_animation_position() const {
+double AnimationPlayer::get_current_animation_position() const {
 	ERR_FAIL_COND_V_MSG(!playback.current.from, 0, "AnimationPlayer has no current animation");
 	return playback.current.pos;
 }
 
-float AnimationPlayer::get_current_animation_length() const {
+double AnimationPlayer::get_current_animation_length() const {
 	ERR_FAIL_COND_V_MSG(!playback.current.from, 0, "AnimationPlayer has no current animation");
 	return playback.current.from->animation->get_length();
 }
@@ -1933,11 +1933,11 @@ StringName AnimationPlayer::animation_get_next(const StringName &p_animation) co
 	return animation_set[p_animation].next;
 }
 
-void AnimationPlayer::set_default_blend_time(float p_default) {
+void AnimationPlayer::set_default_blend_time(double p_default) {
 	default_blend_time = p_default;
 }
 
-float AnimationPlayer::get_default_blend_time() const {
+double AnimationPlayer::get_default_blend_time() const {
 	return default_blend_time;
 }
 
diff --git a/scene/animation/animation_player.h b/scene/animation/animation_player.h
index caf1387ff0..4f32927d25 100644
--- a/scene/animation/animation_player.h
+++ b/scene/animation/animation_player.h
@@ -191,7 +191,7 @@ private:
 
 	uint64_t accum_pass = 1;
 	float speed_scale = 1.0;
-	float default_blend_time = 0.0;
+	double default_blend_time = 0.0;
 
 	struct AnimationData {
 		String name;
@@ -230,7 +230,7 @@ private:
 		}
 	};
 
-	HashMap<BlendKey, float, BlendKey> blend_times;
+	HashMap<BlendKey, double, BlendKey> blend_times;
 
 	struct PlaybackData {
 		AnimationData *from = nullptr;
@@ -241,8 +241,8 @@ private:
 	struct Blend {
 		PlaybackData data;
 
-		float blend_time = 0.0;
-		float blend_left = 0.0;
+		double blend_time = 0.0;
+		double blend_left = 0.0;
 	};
 
 	struct Playback {
@@ -334,17 +334,17 @@ public:
 	void get_animation_list(List<StringName> *p_animations) const;
 	bool has_animation(const StringName &p_name) const;
 
-	void set_blend_time(const StringName &p_animation1, const StringName &p_animation2, float p_time);
-	float get_blend_time(const StringName &p_animation1, const StringName &p_animation2) const;
+	void set_blend_time(const StringName &p_animation1, const StringName &p_animation2, double p_time);
+	double get_blend_time(const StringName &p_animation1, const StringName &p_animation2) const;
 
 	void animation_set_next(const StringName &p_animation, const StringName &p_next);
 	StringName animation_get_next(const StringName &p_animation) const;
 
-	void set_default_blend_time(float p_default);
-	float get_default_blend_time() const;
+	void set_default_blend_time(double p_default);
+	double get_default_blend_time() const;
 
-	void play(const StringName &p_name = StringName(), float p_custom_blend = -1, float p_custom_scale = 1.0, bool p_from_end = false);
-	void play_backwards(const StringName &p_name = StringName(), float p_custom_blend = -1);
+	void play(const StringName &p_name = StringName(), double p_custom_blend = -1, float p_custom_scale = 1.0, bool p_from_end = false);
+	void play_backwards(const StringName &p_name = StringName(), double p_custom_blend = -1);
 	void queue(const StringName &p_name);
 	Vector<String> get_queue();
 	void clear_queue();
@@ -378,11 +378,11 @@ public:
 	bool is_movie_quit_on_finish_enabled() const;
 
 	void seek(double p_time, bool p_update = false);
-	void seek_delta(double p_time, float p_delta);
-	float get_current_animation_position() const;
-	float get_current_animation_length() const;
+	void seek_delta(double p_time, double p_delta);
+	double get_current_animation_position() const;
+	double get_current_animation_length() const;
 
-	void advance(float p_time);
+	void advance(double p_time);
 
 	void set_root(const NodePath &p_root);
 	NodePath get_root() const;
diff --git a/scene/animation/animation_tree.cpp b/scene/animation/animation_tree.cpp
index bcd52082af..05a4a2d024 100644
--- a/scene/animation/animation_tree.cpp
+++ b/scene/animation/animation_tree.cpp
@@ -1745,7 +1745,7 @@ Variant AnimationTree::_post_process_key_value(const Ref<Animation> &p_anim, int
 	return p_value;
 }
 
-void AnimationTree::advance(real_t p_time) {
+void AnimationTree::advance(double p_time) {
 	_process_graph(p_time);
 }
 
diff --git a/scene/animation/animation_tree.h b/scene/animation/animation_tree.h
index fc31c52bc6..96c1279f82 100644
--- a/scene/animation/animation_tree.h
+++ b/scene/animation/animation_tree.h
@@ -353,7 +353,7 @@ public:
 	Transform3D get_root_motion_transform() const;
 
 	real_t get_connection_activity(const StringName &p_path, int p_connection) const;
-	void advance(real_t p_time);
+	void advance(double p_time);
 
 	void rename_parameter(const String &p_base, const String &p_new_base);
 
diff --git a/scene/animation/tween.cpp b/scene/animation/tween.cpp
index b02f1959b7..4a0f870406 100644
--- a/scene/animation/tween.cpp
+++ b/scene/animation/tween.cpp
@@ -71,16 +71,16 @@ void Tween::start_tweeners() {
 	}
 }
 
-Ref<PropertyTweener> Tween::tween_property(Object *p_target, NodePath p_property, Variant p_to, float p_duration) {
+Ref<PropertyTweener> Tween::tween_property(Object *p_target, NodePath p_property, Variant p_to, double p_duration) {
 	ERR_FAIL_NULL_V(p_target, nullptr);
 	ERR_FAIL_COND_V_MSG(!valid, nullptr, "Tween invalid. Either finished or created outside scene tree.");
 	ERR_FAIL_COND_V_MSG(started, nullptr, "Can't append to a Tween that has started. Use stop() first.");
 
 	Variant::Type property_type = p_target->get_indexed(p_property.get_as_property_path().get_subnames()).get_type();
 	if (property_type != p_to.get_type()) {
-		// Cast p_to between floats and ints to avoid minor annoyances.
+		// Cast p_to between double and int to avoid minor annoyances.
 		if (property_type == Variant::FLOAT && p_to.get_type() == Variant::INT) {
-			p_to = float(p_to);
+			p_to = double(p_to);
 		} else if (property_type == Variant::INT && p_to.get_type() == Variant::FLOAT) {
 			p_to = int(p_to);
 		} else {
@@ -93,7 +93,7 @@ Ref<PropertyTweener> Tween::tween_property(Object *p_target, NodePath p_property
 	return tweener;
 }
 
-Ref<IntervalTweener> Tween::tween_interval(float p_time) {
+Ref<IntervalTweener> Tween::tween_interval(double p_time) {
 	ERR_FAIL_COND_V_MSG(!valid, nullptr, "Tween invalid. Either finished or created outside scene tree.");
 	ERR_FAIL_COND_V_MSG(started, nullptr, "Can't append to a Tween that has started. Use stop() first.");
 
@@ -111,7 +111,7 @@ Ref<CallbackTweener> Tween::tween_callback(Callable p_callback) {
 	return tweener;
 }
 
-Ref<MethodTweener> Tween::tween_method(Callable p_callback, Variant p_from, Variant p_to, float p_duration) {
+Ref<MethodTweener> Tween::tween_method(Callable p_callback, Variant p_from, Variant p_to, double p_duration) {
 	ERR_FAIL_COND_V_MSG(!valid, nullptr, "Tween invalid. Either finished or created outside scene tree.");
 	ERR_FAIL_COND_V_MSG(started, nullptr, "Can't append to a Tween that has started. Use stop() first.");
 
@@ -245,7 +245,7 @@ Ref<Tween> Tween::chain() {
 	return this;
 }
 
-bool Tween::custom_step(float p_delta) {
+bool Tween::custom_step(double p_delta) {
 	bool r = running;
 	running = true;
 	bool ret = step(p_delta);
@@ -253,7 +253,7 @@ bool Tween::custom_step(float p_delta) {
 	return ret;
 }
 
-bool Tween::step(float p_delta) {
+bool Tween::step(double p_delta) {
 	if (dead) {
 		return false;
 	}
@@ -282,22 +282,22 @@ bool Tween::step(float p_delta) {
 		started = true;
 	}
 
-	float rem_delta = p_delta * speed_scale;
+	double rem_delta = p_delta * speed_scale;
 	bool step_active = false;
 	total_time += rem_delta;
 
 #ifdef DEBUG_ENABLED
-	float initial_delta = rem_delta;
+	double initial_delta = rem_delta;
 	bool potential_infinite = false;
 #endif
 
 	while (rem_delta > 0 && running) {
-		float step_delta = rem_delta;
+		double step_delta = rem_delta;
 		step_active = false;
 
 		for (Ref<Tweener> &tweener : tweeners.write[current_step]) {
 			// Modified inside Tweener.step().
-			float temp_delta = rem_delta;
+			double temp_delta = rem_delta;
 			// Turns to true if any Tweener returns true (i.e. is still not finished).
 			step_active = tweener->step(temp_delta) || step_active;
 			step_delta = MIN(temp_delta, step_delta);
@@ -359,7 +359,7 @@ Node *Tween::get_bound_node() const {
 	}
 }
 
-float Tween::get_total_time() const {
+double Tween::get_total_time() const {
 	return total_time;
 }
 
@@ -373,7 +373,7 @@ real_t Tween::run_equation(TransitionType p_trans_type, EaseType p_ease_type, re
 	return func(p_time, p_initial, p_delta, p_duration);
 }
 
-Variant Tween::interpolate_variant(Variant p_initial_val, Variant p_delta_val, float p_time, float p_duration, TransitionType p_trans, EaseType p_ease) {
+Variant Tween::interpolate_variant(Variant p_initial_val, Variant p_delta_val, double p_time, double p_duration, TransitionType p_trans, EaseType p_ease) {
 	ERR_FAIL_INDEX_V(p_trans, TransitionType::TRANS_MAX, Variant());
 	ERR_FAIL_INDEX_V(p_ease, EaseType::EASE_MAX, Variant());
 
@@ -480,7 +480,7 @@ Ref<PropertyTweener> PropertyTweener::set_ease(Tween::EaseType p_ease) {
 	return this;
 }
 
-Ref<PropertyTweener> PropertyTweener::set_delay(float p_delay) {
+Ref<PropertyTweener> PropertyTweener::set_delay(double p_delay) {
 	delay = p_delay;
 	return this;
 }
@@ -506,7 +506,7 @@ void PropertyTweener::start() {
 	delta_val = Animation::subtract_variant(final_val, initial_val);
 }
 
-bool PropertyTweener::step(float &r_delta) {
+bool PropertyTweener::step(double &r_delta) {
 	if (finished) {
 		// This is needed in case there's a parallel Tweener with longer duration.
 		return false;
@@ -523,7 +523,7 @@ bool PropertyTweener::step(float &r_delta) {
 		return true;
 	}
 
-	float time = MIN(elapsed_time - delay, duration);
+	double time = MIN(elapsed_time - delay, duration);
 	if (time < duration) {
 		target_instance->set_indexed(property, tween->interpolate_variant(initial_val, delta_val, time, duration, trans_type, ease_type));
 		r_delta = 0;
@@ -556,7 +556,7 @@ void PropertyTweener::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_delay", "delay"), &PropertyTweener::set_delay);
 }
 
-PropertyTweener::PropertyTweener(Object *p_target, NodePath p_property, Variant p_to, float p_duration) {
+PropertyTweener::PropertyTweener(Object *p_target, NodePath p_property, Variant p_to, double p_duration) {
 	target = p_target->get_instance_id();
 	property = p_property.get_as_property_path().get_subnames();
 	initial_val = p_target->get_indexed(property);
@@ -574,7 +574,7 @@ void IntervalTweener::start() {
 	finished = false;
 }
 
-bool IntervalTweener::step(float &r_delta) {
+bool IntervalTweener::step(double &r_delta) {
 	if (finished) {
 		return false;
 	}
@@ -592,7 +592,7 @@ bool IntervalTweener::step(float &r_delta) {
 	}
 }
 
-IntervalTweener::IntervalTweener(float p_time) {
+IntervalTweener::IntervalTweener(double p_time) {
 	duration = p_time;
 }
 
@@ -600,7 +600,7 @@ IntervalTweener::IntervalTweener() {
 	ERR_FAIL_MSG("Can't create empty IntervalTweener. Use get_tree().tween_interval() instead.");
 }
 
-Ref<CallbackTweener> CallbackTweener::set_delay(float p_delay) {
+Ref<CallbackTweener> CallbackTweener::set_delay(double p_delay) {
 	delay = p_delay;
 	return this;
 }
@@ -610,7 +610,7 @@ void CallbackTweener::start() {
 	finished = false;
 }
 
-bool CallbackTweener::step(float &r_delta) {
+bool CallbackTweener::step(double &r_delta) {
 	if (finished) {
 		return false;
 	}
@@ -646,7 +646,7 @@ CallbackTweener::CallbackTweener() {
 	ERR_FAIL_MSG("Can't create empty CallbackTweener. Use get_tree().tween_callback() instead.");
 }
 
-Ref<MethodTweener> MethodTweener::set_delay(float p_delay) {
+Ref<MethodTweener> MethodTweener::set_delay(double p_delay) {
 	delay = p_delay;
 	return this;
 }
@@ -666,7 +666,7 @@ void MethodTweener::start() {
 	finished = false;
 }
 
-bool MethodTweener::step(float &r_delta) {
+bool MethodTweener::step(double &r_delta) {
 	if (finished) {
 		return false;
 	}
@@ -679,7 +679,7 @@ bool MethodTweener::step(float &r_delta) {
 	}
 
 	Variant current_val;
-	float time = MIN(elapsed_time - delay, duration);
+	double time = MIN(elapsed_time - delay, duration);
 	if (time < duration) {
 		current_val = tween->interpolate_variant(initial_val, delta_val, time, duration, trans_type, ease_type);
 	} else {
@@ -722,7 +722,7 @@ void MethodTweener::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_ease", "ease"), &MethodTweener::set_ease);
 }
 
-MethodTweener::MethodTweener(Callable p_callback, Variant p_from, Variant p_to, float p_duration) {
+MethodTweener::MethodTweener(Callable p_callback, Variant p_from, Variant p_to, double p_duration) {
 	callback = p_callback;
 	initial_val = p_from;
 	delta_val = Animation::subtract_variant(p_to, p_from);
diff --git a/scene/animation/tween.h b/scene/animation/tween.h
index da7a8b5d71..345974ecc5 100644
--- a/scene/animation/tween.h
+++ b/scene/animation/tween.h
@@ -42,13 +42,13 @@ class Tweener : public RefCounted {
 public:
 	virtual void set_tween(Ref<Tween> p_tween);
 	virtual void start() = 0;
-	virtual bool step(float &r_delta) = 0;
+	virtual bool step(double &r_delta) = 0;
 	void clear_tween();
 
 protected:
 	static void _bind_methods();
 	Ref<Tween> tween;
-	float elapsed_time = 0;
+	double elapsed_time = 0;
 	bool finished = false;
 };
 
@@ -103,7 +103,7 @@ private:
 	ObjectID bound_node;
 
 	Vector<List<Ref<Tweener>>> tweeners;
-	float total_time = 0;
+	double total_time = 0;
 	int current_step = -1;
 	int loops = 1;
 	int loops_done = 0;
@@ -129,13 +129,13 @@ protected:
 	static void _bind_methods();
 
 public:
-	Ref<PropertyTweener> tween_property(Object *p_target, NodePath p_property, Variant p_to, float p_duration);
-	Ref<IntervalTweener> tween_interval(float p_time);
+	Ref<PropertyTweener> tween_property(Object *p_target, NodePath p_property, Variant p_to, double p_duration);
+	Ref<IntervalTweener> tween_interval(double p_time);
 	Ref<CallbackTweener> tween_callback(Callable p_callback);
-	Ref<MethodTweener> tween_method(Callable p_callback, Variant p_from, Variant p_to, float p_duration);
+	Ref<MethodTweener> tween_method(Callable p_callback, Variant p_from, Variant p_to, double p_duration);
 	void append(Ref<Tweener> p_tweener);
 
-	bool custom_step(float p_delta);
+	bool custom_step(double p_delta);
 	void stop();
 	void pause();
 	void play();
@@ -163,12 +163,12 @@ public:
 	Ref<Tween> chain();
 
 	static real_t run_equation(TransitionType p_trans_type, EaseType p_ease_type, real_t t, real_t b, real_t c, real_t d);
-	static Variant interpolate_variant(Variant p_initial_val, Variant p_delta_val, float p_time, float p_duration, Tween::TransitionType p_trans, Tween::EaseType p_ease);
+	static Variant interpolate_variant(Variant p_initial_val, Variant p_delta_val, double p_time, double p_duration, Tween::TransitionType p_trans, Tween::EaseType p_ease);
 
-	bool step(float p_delta);
+	bool step(double p_delta);
 	bool can_process(bool p_tree_paused) const;
 	Node *get_bound_node() const;
-	float get_total_time() const;
+	double get_total_time() const;
 
 	Tween();
 	Tween(bool p_valid);
@@ -188,13 +188,13 @@ public:
 	Ref<PropertyTweener> as_relative();
 	Ref<PropertyTweener> set_trans(Tween::TransitionType p_trans);
 	Ref<PropertyTweener> set_ease(Tween::EaseType p_ease);
-	Ref<PropertyTweener> set_delay(float p_delay);
+	Ref<PropertyTweener> set_delay(double p_delay);
 
 	void set_tween(Ref<Tween> p_tween) override;
 	void start() override;
-	bool step(float &r_delta) override;
+	bool step(double &r_delta) override;
 
-	PropertyTweener(Object *p_target, NodePath p_property, Variant p_to, float p_duration);
+	PropertyTweener(Object *p_target, NodePath p_property, Variant p_to, double p_duration);
 	PropertyTweener();
 
 protected:
@@ -208,11 +208,11 @@ private:
 	Variant final_val;
 	Variant delta_val;
 
-	float duration = 0;
+	double duration = 0;
 	Tween::TransitionType trans_type = Tween::TRANS_MAX; // This is set inside set_tween();
 	Tween::EaseType ease_type = Tween::EASE_MAX;
 
-	float delay = 0;
+	double delay = 0;
 	bool do_continue = true;
 	bool relative = false;
 };
@@ -222,23 +222,23 @@ class IntervalTweener : public Tweener {
 
 public:
 	void start() override;
-	bool step(float &r_delta) override;
+	bool step(double &r_delta) override;
 
-	IntervalTweener(float p_time);
+	IntervalTweener(double p_time);
 	IntervalTweener();
 
 private:
-	float duration = 0;
+	double duration = 0;
 };
 
 class CallbackTweener : public Tweener {
 	GDCLASS(CallbackTweener, Tweener);
 
 public:
-	Ref<CallbackTweener> set_delay(float p_delay);
+	Ref<CallbackTweener> set_delay(double p_delay);
 
 	void start() override;
-	bool step(float &r_delta) override;
+	bool step(double &r_delta) override;
 
 	CallbackTweener(Callable p_callback);
 	CallbackTweener();
@@ -248,7 +248,7 @@ protected:
 
 private:
 	Callable callback;
-	float delay = 0;
+	double delay = 0;
 };
 
 class MethodTweener : public Tweener {
@@ -257,21 +257,21 @@ class MethodTweener : public Tweener {
 public:
 	Ref<MethodTweener> set_trans(Tween::TransitionType p_trans);
 	Ref<MethodTweener> set_ease(Tween::EaseType p_ease);
-	Ref<MethodTweener> set_delay(float p_delay);
+	Ref<MethodTweener> set_delay(double p_delay);
 
 	void set_tween(Ref<Tween> p_tween) override;
 	void start() override;
-	bool step(float &r_delta) override;
+	bool step(double &r_delta) override;
 
-	MethodTweener(Callable p_callback, Variant p_from, Variant p_to, float p_duration);
+	MethodTweener(Callable p_callback, Variant p_from, Variant p_to, double p_duration);
 	MethodTweener();
 
 protected:
 	static void _bind_methods();
 
 private:
-	float duration = 0;
-	float delay = 0;
+	double duration = 0;
+	double delay = 0;
 	Tween::TransitionType trans_type = Tween::TRANS_MAX;
 	Tween::EaseType ease_type = Tween::EASE_MAX;