diff options
Diffstat (limited to 'scene/resources/particles_material.cpp')
| -rw-r--r-- | scene/resources/particles_material.cpp | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp index edca9e5171..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) { @@ -332,7 +340,10 @@ void ParticlesMaterial::_update_shader() { //do none } break; case EMISSION_SHAPE_SPHERE: { - code += " TRANSFORM[3].xyz = normalize(vec3(rand_from_seed(alt_seed) * 2.0 - 1.0, rand_from_seed(alt_seed) * 2.0 - 1.0, rand_from_seed(alt_seed) * 2.0 - 1.0)) * emission_sphere_radius;\n"; + code += " float s = rand_from_seed(alt_seed) * 2.0 - 1.0;\n"; + code += " float t = rand_from_seed(alt_seed) * 2.0 * pi;\n"; + code += " float radius = emission_sphere_radius * sqrt(1.0 - s * s);\n"; + code += " TRANSFORM[3].xyz = vec3(radius * cos(t), radius * sin(t), emission_sphere_radius * s);\n"; } break; case EMISSION_SHAPE_BOX: { code += " TRANSFORM[3].xyz = vec3(rand_from_seed(alt_seed) * 2.0 - 1.0, rand_from_seed(alt_seed) * 2.0 - 1.0, rand_from_seed(alt_seed) * 2.0 - 1.0) * emission_box_extents;\n"; @@ -573,6 +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"; @@ -1011,6 +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()); @@ -1115,6 +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"); @@ -1237,6 +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++) { |