summaryrefslogtreecommitdiff
path: root/scene/2d/cpu_particles_2d.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'scene/2d/cpu_particles_2d.cpp')
-rw-r--r--scene/2d/cpu_particles_2d.cpp75
1 files changed, 59 insertions, 16 deletions
diff --git a/scene/2d/cpu_particles_2d.cpp b/scene/2d/cpu_particles_2d.cpp
index a8d72bb774..85c423964b 100644
--- a/scene/2d/cpu_particles_2d.cpp
+++ b/scene/2d/cpu_particles_2d.cpp
@@ -44,7 +44,7 @@ void CPUParticles2D::set_emitting(bool p_emitting) {
void CPUParticles2D::set_amount(int p_amount) {
- ERR_FAIL_COND(p_amount < 1);
+ ERR_FAIL_COND_MSG(p_amount < 1, "Amount of particles must be greater than 0.");
particles.resize(p_amount);
{
@@ -62,7 +62,7 @@ void CPUParticles2D::set_amount(int p_amount) {
}
void CPUParticles2D::set_lifetime(float p_lifetime) {
- ERR_FAIL_COND(p_lifetime <= 0);
+ ERR_FAIL_COND_MSG(p_lifetime <= 0, "Particles lifetime must be greater than 0.");
lifetime = p_lifetime;
}
@@ -83,6 +83,10 @@ void CPUParticles2D::set_randomness_ratio(float p_ratio) {
randomness_ratio = p_ratio;
}
+void CPUParticles2D::set_lifetime_randomness(float p_random) {
+
+ lifetime_randomness = p_random;
+}
void CPUParticles2D::set_use_local_coordinates(bool p_enable) {
local_coords = p_enable;
@@ -123,6 +127,10 @@ float CPUParticles2D::get_randomness_ratio() const {
return randomness_ratio;
}
+float CPUParticles2D::get_lifetime_randomness() const {
+
+ return lifetime_randomness;
+}
bool CPUParticles2D::get_use_local_coordinates() const {
@@ -250,6 +258,8 @@ void CPUParticles2D::restart() {
frame_remainder = 0;
cycle = 0;
+ set_emitting(true);
+
{
int pc = particles.size();
PoolVector<Particle>::Write w = particles.write();
@@ -260,6 +270,16 @@ void CPUParticles2D::restart() {
}
}
+void CPUParticles2D::set_direction(Vector2 p_direction) {
+
+ direction = p_direction;
+}
+
+Vector2 CPUParticles2D::get_direction() const {
+
+ return direction;
+}
+
void CPUParticles2D::set_spread(float p_spread) {
spread = p_spread;
@@ -530,7 +550,8 @@ void CPUParticles2D::_particles_process(float p_delta) {
time = Math::fmod(time, lifetime);
cycle++;
if (one_shot && cycle > 0) {
- emitting = false;
+ set_emitting(false);
+ _change_notify();
}
}
@@ -598,6 +619,10 @@ void CPUParticles2D::_particles_process(float p_delta) {
}
}
+ if (p.time * (1.0 - explosiveness_ratio) > p.lifetime) {
+ restart = true;
+ }
+
if (restart) {
if (!emitting) {
@@ -628,7 +653,7 @@ void CPUParticles2D::_particles_process(float p_delta) {
p.hue_rot_rand = Math::randf();
p.anim_offset_rand = Math::randf();
- float angle1_rad = (Math::randf() * 2.0 - 1.0) * Math_PI * spread / 180.0;
+ float angle1_rad = Math::atan2(direction.y, direction.x) + (Math::randf() * 2.0 - 1.0) * Math_PI * spread / 180.0;
Vector2 rot = Vector2(Math::cos(angle1_rad), Math::sin(angle1_rad));
p.velocity = rot * parameters[PARAM_INITIAL_LINEAR_VELOCITY] * Math::lerp(1.0f, float(Math::randf()), randomness[PARAM_INITIAL_LINEAR_VELOCITY]);
@@ -641,6 +666,7 @@ void CPUParticles2D::_particles_process(float p_delta) {
p.custom[3] = 0.0;
p.transform = Transform2D();
p.time = 0;
+ p.lifetime = lifetime * (1.0 - Math::randf() * lifetime_randomness);
p.base_color = Color(1, 1, 1, 1);
switch (emission_shape) {
@@ -648,8 +674,9 @@ void CPUParticles2D::_particles_process(float p_delta) {
//do none
} break;
case EMISSION_SHAPE_SPHERE: {
- Vector3 sphere_shape = Vector3(Math::randf() * 2.0 - 1.0, Math::randf() * 2.0 - 1.0, Math::randf() * 2.0 - 1.0).normalized() * emission_sphere_radius;
- p.transform[2] = Vector2(sphere_shape.x, sphere_shape.y);
+ float s = Math::randf(), t = 2.0 * Math_PI * Math::randf();
+ float radius = emission_sphere_radius * Math::sqrt(1.0 - s * s);
+ p.transform[2] = Vector2(Math::cos(t), Math::sin(t)) * radius;
} break;
case EMISSION_SHAPE_RECTANGLE: {
p.transform[2] = Vector2(Math::randf() * 2.0 - 1.0, Math::randf() * 2.0 - 1.0) * emission_rect_extents;
@@ -682,6 +709,8 @@ void CPUParticles2D::_particles_process(float p_delta) {
} else if (!p.active) {
continue;
+ } else if (p.time > p.lifetime) {
+ p.active = false;
} else {
uint32_t alt_seed = p.seed;
@@ -837,8 +866,8 @@ void CPUParticles2D::_particles_process(float p_delta) {
}
//scale by scale
- float base_scale = Math::lerp(parameters[PARAM_SCALE] * tex_scale, 1.0f, p.scale_rand * randomness[PARAM_SCALE]);
- if (base_scale == 0.0) base_scale = 0.000001;
+ float base_scale = tex_scale * Math::lerp(parameters[PARAM_SCALE], 1.0f, p.scale_rand * randomness[PARAM_SCALE]);
+ if (base_scale < 0.000001) base_scale = 0.000001;
p.transform.elements[0] *= base_scale;
p.transform.elements[1] *= base_scale;
@@ -933,9 +962,13 @@ void CPUParticles2D::_set_redraw(bool p_redraw) {
if (redraw) {
VS::get_singleton()->connect("frame_pre_draw", this, "_update_render_thread");
VS::get_singleton()->canvas_item_set_update_when_visible(get_canvas_item(), true);
+
+ VS::get_singleton()->multimesh_set_visible_instances(multimesh, -1);
} else {
VS::get_singleton()->disconnect("frame_pre_draw", this, "_update_render_thread");
VS::get_singleton()->canvas_item_set_update_when_visible(get_canvas_item(), false);
+
+ VS::get_singleton()->multimesh_set_visible_instances(multimesh, 0);
}
#ifndef NO_THREADS
update_mutex->unlock();
@@ -966,9 +999,6 @@ void CPUParticles2D::_notification(int p_what) {
_set_redraw(false);
}
- if (p_what == NOTIFICATION_PAUSED || p_what == NOTIFICATION_UNPAUSED) {
- }
-
if (p_what == NOTIFICATION_DRAW) {
if (!redraw)
return; // don't add to render list
@@ -1092,8 +1122,9 @@ void CPUParticles2D::_notification(int p_what) {
}
void CPUParticles2D::convert_from_particles(Node *p_particles) {
+
Particles2D *particles = Object::cast_to<Particles2D>(p_particles);
- ERR_FAIL_COND(!particles);
+ ERR_FAIL_COND_MSG(!particles, "Only Particles2D nodes can be converted to CPUParticles2D.");
set_emitting(particles->is_emitting());
set_amount(particles->get_amount());
@@ -1118,6 +1149,8 @@ void CPUParticles2D::convert_from_particles(Node *p_particles) {
if (material.is_null())
return;
+ Vector3 dir = material->get_direction();
+ set_direction(Vector2(dir.x, dir.y));
set_spread(material->get_spread());
set_flatness(material->get_flatness());
@@ -1137,6 +1170,7 @@ void CPUParticles2D::convert_from_particles(Node *p_particles) {
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)); \
@@ -1171,6 +1205,7 @@ void CPUParticles2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_pre_process_time", "secs"), &CPUParticles2D::set_pre_process_time);
ClassDB::bind_method(D_METHOD("set_explosiveness_ratio", "ratio"), &CPUParticles2D::set_explosiveness_ratio);
ClassDB::bind_method(D_METHOD("set_randomness_ratio", "ratio"), &CPUParticles2D::set_randomness_ratio);
+ ClassDB::bind_method(D_METHOD("set_lifetime_randomness", "random"), &CPUParticles2D::set_lifetime_randomness);
ClassDB::bind_method(D_METHOD("set_use_local_coordinates", "enable"), &CPUParticles2D::set_use_local_coordinates);
ClassDB::bind_method(D_METHOD("set_fixed_fps", "fps"), &CPUParticles2D::set_fixed_fps);
ClassDB::bind_method(D_METHOD("set_fractional_delta", "enable"), &CPUParticles2D::set_fractional_delta);
@@ -1183,6 +1218,7 @@ void CPUParticles2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_pre_process_time"), &CPUParticles2D::get_pre_process_time);
ClassDB::bind_method(D_METHOD("get_explosiveness_ratio"), &CPUParticles2D::get_explosiveness_ratio);
ClassDB::bind_method(D_METHOD("get_randomness_ratio"), &CPUParticles2D::get_randomness_ratio);
+ ClassDB::bind_method(D_METHOD("get_lifetime_randomness"), &CPUParticles2D::get_lifetime_randomness);
ClassDB::bind_method(D_METHOD("get_use_local_coordinates"), &CPUParticles2D::get_use_local_coordinates);
ClassDB::bind_method(D_METHOD("get_fixed_fps"), &CPUParticles2D::get_fixed_fps);
ClassDB::bind_method(D_METHOD("get_fractional_delta"), &CPUParticles2D::get_fractional_delta);
@@ -1209,6 +1245,7 @@ void CPUParticles2D::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::REAL, "speed_scale", PROPERTY_HINT_RANGE, "0,64,0.01"), "set_speed_scale", "get_speed_scale");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "explosiveness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_explosiveness_ratio", "get_explosiveness_ratio");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "randomness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_randomness_ratio", "get_randomness_ratio");
+ ADD_PROPERTY(PropertyInfo(Variant::REAL, "lifetime_randomness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_lifetime_randomness", "get_lifetime_randomness");
ADD_PROPERTY(PropertyInfo(Variant::INT, "fixed_fps", PROPERTY_HINT_RANGE, "0,1000,1"), "set_fixed_fps", "get_fixed_fps");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "fract_delta"), "set_fractional_delta", "get_fractional_delta");
ADD_GROUP("Drawing", "");
@@ -1223,6 +1260,9 @@ void CPUParticles2D::_bind_methods() {
////////////////////////////////
+ ClassDB::bind_method(D_METHOD("set_direction", "direction"), &CPUParticles2D::set_direction);
+ ClassDB::bind_method(D_METHOD("get_direction"), &CPUParticles2D::get_direction);
+
ClassDB::bind_method(D_METHOD("set_spread", "degrees"), &CPUParticles2D::set_spread);
ClassDB::bind_method(D_METHOD("get_spread"), &CPUParticles2D::get_spread);
@@ -1281,7 +1321,8 @@ void CPUParticles2D::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::POOL_COLOR_ARRAY, "emission_colors"), "set_emission_colors", "get_emission_colors");
ADD_GROUP("Flags", "flag_");
ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flag_align_y"), "set_particle_flag", "get_particle_flag", FLAG_ALIGN_Y_TO_VELOCITY);
- ADD_GROUP("Spread", "");
+ ADD_GROUP("Direction", "");
+ ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "direction"), "set_direction", "get_direction");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "spread", PROPERTY_HINT_RANGE, "0,180,0.01"), "set_spread", "get_spread");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "flatness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_flatness", "get_flatness");
ADD_GROUP("Gravity", "");
@@ -1384,17 +1425,19 @@ CPUParticles2D::CPUParticles2D() {
set_pre_process_time(0);
set_explosiveness_ratio(0);
set_randomness_ratio(0);
+ set_lifetime_randomness(0);
set_use_local_coordinates(true);
set_draw_order(DRAW_ORDER_INDEX);
set_speed_scale(1);
+ set_direction(Vector2(1, 0));
set_spread(45);
set_flatness(0);
- set_param(PARAM_INITIAL_LINEAR_VELOCITY, 1);
+ 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_ANGULAR_VELOCITY, 0);
set_param(PARAM_RADIAL_ACCEL, 0);
set_param(PARAM_TANGENTIAL_ACCEL, 0);
set_param(PARAM_DAMPING, 0);
@@ -1407,7 +1450,7 @@ CPUParticles2D::CPUParticles2D() {
set_emission_sphere_radius(1);
set_emission_rect_extents(Vector2(1, 1));
- set_gravity(Vector2(0, 98.8));
+ set_gravity(Vector2(0, 98));
for (int i = 0; i < PARAM_MAX; i++) {
set_param_randomness(Parameter(i), 0);
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-19 05:16:04 +0000