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-rw-r--r--scene/3d/cpu_particles.cpp51
1 files changed, 43 insertions, 8 deletions
diff --git a/scene/3d/cpu_particles.cpp b/scene/3d/cpu_particles.cpp
index 6ede9c10ef..fc16bc36cb 100644
--- a/scene/3d/cpu_particles.cpp
+++ b/scene/3d/cpu_particles.cpp
@@ -92,6 +92,10 @@ void CPUParticles::set_randomness_ratio(float p_ratio) {
randomness_ratio = p_ratio;
}
+void CPUParticles::set_lifetime_randomness(float p_random) {
+
+ lifetime_randomness = p_random;
+}
void CPUParticles::set_use_local_coordinates(bool p_enable) {
local_coords = p_enable;
@@ -130,6 +134,10 @@ float CPUParticles::get_randomness_ratio() const {
return randomness_ratio;
}
+float CPUParticles::get_lifetime_randomness() const {
+
+ return lifetime_randomness;
+}
bool CPUParticles::get_use_local_coordinates() const {
@@ -237,6 +245,16 @@ void CPUParticles::restart() {
}
}
+void CPUParticles::set_direction(Vector3 p_direction) {
+
+ direction = p_direction;
+}
+
+Vector3 CPUParticles::get_direction() const {
+
+ return direction;
+}
+
void CPUParticles::set_spread(float p_spread) {
spread = p_spread;
@@ -573,6 +591,10 @@ void CPUParticles::_particles_process(float p_delta) {
}
}
+ if (p.time * (1.0 - explosiveness_ratio) > p.lifetime) {
+ restart = true;
+ }
+
if (restart) {
if (!emitting) {
@@ -604,13 +626,13 @@ void CPUParticles::_particles_process(float p_delta) {
p.anim_offset_rand = Math::randf();
if (flags[FLAG_DISABLE_Z]) {
- 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;
Vector3 rot = Vector3(Math::cos(angle1_rad), Math::sin(angle1_rad), 0.0);
p.velocity = rot * parameters[PARAM_INITIAL_LINEAR_VELOCITY] * Math::lerp(1.0f, float(Math::randf()), randomness[PARAM_INITIAL_LINEAR_VELOCITY]);
} else {
//initiate velocity spread in 3D
- float angle1_rad = (Math::randf() * 2.0 - 1.0) * Math_PI * spread / 180.0;
- float angle2_rad = (Math::randf() * 2.0 - 1.0) * (1.0 - flatness) * Math_PI * spread / 180.0;
+ float angle1_rad = Math::atan2(direction.x, direction.z) + (Math::randf() * 2.0 - 1.0) * Math_PI * spread / 180.0;
+ float angle2_rad = Math::atan2(direction.y, Math::abs(direction.z)) + (Math::randf() * 2.0 - 1.0) * (1.0 - flatness) * Math_PI * spread / 180.0;
Vector3 direction_xz = Vector3(Math::sin(angle1_rad), 0, Math::cos(angle1_rad));
Vector3 direction_yz = Vector3(0, Math::sin(angle2_rad), Math::cos(angle2_rad));
@@ -626,6 +648,7 @@ void CPUParticles::_particles_process(float p_delta) {
p.custom[2] = (parameters[PARAM_ANIM_OFFSET] + tex_anim_offset) * Math::lerp(1.0f, p.anim_offset_rand, randomness[PARAM_ANIM_OFFSET]); //animation offset (0-1)
p.transform = Transform();
p.time = 0;
+ p.lifetime = lifetime * (1.0 - Math::randf() * lifetime_randomness);
p.base_color = Color(1, 1, 1, 1);
switch (emission_shape) {
@@ -633,7 +656,9 @@ void CPUParticles::_particles_process(float p_delta) {
//do none
} break;
case EMISSION_SHAPE_SPHERE: {
- p.transform.origin = Vector3(Math::randf() * 2.0 - 1.0, Math::randf() * 2.0 - 1.0, Math::randf() * 2.0 - 1.0).normalized() * emission_sphere_radius;
+ float s = 2.0 * Math::randf() - 1.0, t = 2.0 * Math_PI * Math::randf();
+ float radius = emission_sphere_radius * Math::sqrt(1.0 - s * s);
+ p.transform.origin = Vector3(radius * Math::cos(t), radius * Math::sin(t), emission_sphere_radius * s);
} break;
case EMISSION_SHAPE_BOX: {
p.transform.origin = Vector3(Math::randf() * 2.0 - 1.0, Math::randf() * 2.0 - 1.0, Math::randf() * 2.0 - 1.0) * emission_box_extents;
@@ -689,6 +714,8 @@ void CPUParticles::_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;
@@ -1047,9 +1074,6 @@ void CPUParticles::_notification(int p_what) {
_set_redraw(false);
}
- if (p_what == NOTIFICATION_PAUSED || p_what == NOTIFICATION_UNPAUSED) {
- }
-
if (p_what == NOTIFICATION_INTERNAL_PROCESS) {
if (particles.size() == 0 || !is_visible_in_tree()) {
@@ -1189,6 +1213,7 @@ void CPUParticles::convert_from_particles(Node *p_particles) {
if (material.is_null())
return;
+ set_direction(material->get_direction());
set_spread(material->get_spread());
set_flatness(material->get_flatness());
@@ -1208,6 +1233,7 @@ void CPUParticles::convert_from_particles(Node *p_particles) {
set_emission_box_extents(material->get_emission_box_extents());
set_gravity(material->get_gravity());
+ set_lifetime_randomness(material->get_lifetime_randomness());
#define CONVERT_PARAM(m_param) \
set_param(m_param, material->get_param(ParticlesMaterial::m_param)); \
@@ -1242,6 +1268,7 @@ void CPUParticles::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_pre_process_time", "secs"), &CPUParticles::set_pre_process_time);
ClassDB::bind_method(D_METHOD("set_explosiveness_ratio", "ratio"), &CPUParticles::set_explosiveness_ratio);
ClassDB::bind_method(D_METHOD("set_randomness_ratio", "ratio"), &CPUParticles::set_randomness_ratio);
+ ClassDB::bind_method(D_METHOD("set_lifetime_randomness", "random"), &CPUParticles::set_lifetime_randomness);
ClassDB::bind_method(D_METHOD("set_use_local_coordinates", "enable"), &CPUParticles::set_use_local_coordinates);
ClassDB::bind_method(D_METHOD("set_fixed_fps", "fps"), &CPUParticles::set_fixed_fps);
ClassDB::bind_method(D_METHOD("set_fractional_delta", "enable"), &CPUParticles::set_fractional_delta);
@@ -1254,6 +1281,7 @@ void CPUParticles::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_pre_process_time"), &CPUParticles::get_pre_process_time);
ClassDB::bind_method(D_METHOD("get_explosiveness_ratio"), &CPUParticles::get_explosiveness_ratio);
ClassDB::bind_method(D_METHOD("get_randomness_ratio"), &CPUParticles::get_randomness_ratio);
+ ClassDB::bind_method(D_METHOD("get_lifetime_randomness"), &CPUParticles::get_lifetime_randomness);
ClassDB::bind_method(D_METHOD("get_use_local_coordinates"), &CPUParticles::get_use_local_coordinates);
ClassDB::bind_method(D_METHOD("get_fixed_fps"), &CPUParticles::get_fixed_fps);
ClassDB::bind_method(D_METHOD("get_fractional_delta"), &CPUParticles::get_fractional_delta);
@@ -1277,6 +1305,7 @@ void CPUParticles::_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", "");
@@ -1290,6 +1319,9 @@ void CPUParticles::_bind_methods() {
////////////////////////////////
+ ClassDB::bind_method(D_METHOD("set_direction", "direction"), &CPUParticles::set_direction);
+ ClassDB::bind_method(D_METHOD("get_direction"), &CPUParticles::get_direction);
+
ClassDB::bind_method(D_METHOD("set_spread", "degrees"), &CPUParticles::set_spread);
ClassDB::bind_method(D_METHOD("get_spread"), &CPUParticles::get_spread);
@@ -1350,7 +1382,8 @@ void CPUParticles::_bind_methods() {
ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flag_align_y"), "set_particle_flag", "get_particle_flag", FLAG_ALIGN_Y_TO_VELOCITY);
ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flag_rotate_y"), "set_particle_flag", "get_particle_flag", FLAG_ROTATE_Y);
ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flag_disable_z"), "set_particle_flag", "get_particle_flag", FLAG_DISABLE_Z);
- ADD_GROUP("Spread", "");
+ ADD_GROUP("Direction", "");
+ ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "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", "");
@@ -1455,11 +1488,13 @@ CPUParticles::CPUParticles() {
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(Vector3(1, 0, 0));
set_spread(45);
set_flatness(0);
set_param(PARAM_INITIAL_LINEAR_VELOCITY, 0);
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-02 09:38:27 +0000