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Diffstat (limited to 'scene/resources/particles_material.cpp')
-rw-r--r--scene/resources/particles_material.cpp30
1 files changed, 29 insertions, 1 deletions
diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp
index b4818755b4..dc6ef2b49c 100644
--- a/scene/resources/particles_material.cpp
+++ b/scene/resources/particles_material.cpp
@@ -101,6 +101,8 @@ void ParticlesMaterial::init_shaders() {
shader_names->trail_color_modifier = "trail_color_modifier";
shader_names->gravity = "gravity";
+
+ shader_names->lifetime_randomness = "lifetime_randomness";
}
void ParticlesMaterial::finish_shaders() {
@@ -173,6 +175,7 @@ void ParticlesMaterial::_update_shader() {
code += "uniform float hue_variation_random;\n";
code += "uniform float anim_speed_random;\n";
code += "uniform float anim_offset_random;\n";
+ code += "uniform float lifetime_randomness;\n";
switch (emission_shape) {
case EMISSION_SHAPE_POINT: {
@@ -285,7 +288,11 @@ void ParticlesMaterial::_update_shader() {
code += " ivec2 emission_tex_size = textureSize(emission_texture_points, 0);\n";
code += " ivec2 emission_tex_ofs = ivec2(point % emission_tex_size.x, point / emission_tex_size.x);\n";
}
- code += " if (RESTART) {\n";
+ code += " bool restart = false;\n";
+ code += " if (CUSTOM.y > CUSTOM.w) {\n";
+ code += " restart = true;\n";
+ code += " }\n\n";
+ code += " if (RESTART || restart) {\n";
if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid())
code += " float tex_linear_velocity = textureLod(linear_velocity_texture, vec2(0.0, 0.0), 0.0).r;\n";
@@ -325,6 +332,7 @@ void ParticlesMaterial::_update_shader() {
code += " float base_angle = (initial_angle + tex_angle) * mix(1.0, angle_rand, initial_angle_random);\n";
code += " CUSTOM.x = base_angle * degree_to_rad;\n"; // angle
code += " CUSTOM.y = 0.0;\n"; // phase
+ code += " CUSTOM.w = LIFETIME * (1.0 - lifetime_randomness * rand_from_seed(alt_seed));\n";
code += " CUSTOM.z = (anim_offset + tex_anim_offset) * mix(1.0, anim_offset_rand, anim_offset_random);\n"; // animation offset (0-1)
switch (emission_shape) {
@@ -576,6 +584,9 @@ void ParticlesMaterial::_update_shader() {
code += " VELOCITY.z = 0.0;\n";
code += " TRANSFORM[3].z = 0.0;\n";
}
+ code += " if (CUSTOM.y > CUSTOM.w) {";
+ code += " ACTIVE = false;\n";
+ code += " }\n";
code += "}\n";
code += "\n";
@@ -1014,6 +1025,17 @@ Vector3 ParticlesMaterial::get_gravity() const {
return gravity;
}
+void ParticlesMaterial::set_lifetime_randomness(float p_lifetime) {
+
+ lifetime_randomness = p_lifetime;
+ VisualServer::get_singleton()->material_set_param(_get_material(), shader_names->lifetime_randomness, lifetime_randomness);
+}
+
+float ParticlesMaterial::get_lifetime_randomness() const {
+
+ return lifetime_randomness;
+}
+
RID ParticlesMaterial::get_shader_rid() const {
ERR_FAIL_COND_V(!shader_map.has(current_key), RID());
@@ -1118,6 +1140,11 @@ void ParticlesMaterial::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_gravity"), &ParticlesMaterial::get_gravity);
ClassDB::bind_method(D_METHOD("set_gravity", "accel_vec"), &ParticlesMaterial::set_gravity);
+ ClassDB::bind_method(D_METHOD("set_lifetime_randomness", "randomness"), &ParticlesMaterial::set_lifetime_randomness);
+ ClassDB::bind_method(D_METHOD("get_lifetime_randomness"), &ParticlesMaterial::get_lifetime_randomness);
+
+ ADD_GROUP("Time", "");
+ ADD_PROPERTY(PropertyInfo(Variant::REAL, "lifetime_randomness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_lifetime_randomness", "get_lifetime_randomness");
ADD_GROUP("Trail", "trail_");
ADD_PROPERTY(PropertyInfo(Variant::INT, "trail_divisor", PROPERTY_HINT_RANGE, "1,1000000,1"), "set_trail_divisor", "get_trail_divisor");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "trail_size_modifier", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_trail_size_modifier", "get_trail_size_modifier");
@@ -1240,6 +1267,7 @@ ParticlesMaterial::ParticlesMaterial() :
set_emission_box_extents(Vector3(1, 1, 1));
set_trail_divisor(1);
set_gravity(Vector3(0, -9.8, 0));
+ set_lifetime_randomness(0);
emission_point_count = 1;
for (int i = 0; i < PARAM_MAX; i++) {