diff options
Diffstat (limited to 'scene/resources/particles_material.cpp')
| -rw-r--r-- | scene/resources/particles_material.cpp | 67 |
1 files changed, 58 insertions, 9 deletions
diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp index 691d73c181..dc6ef2b49c 100644 --- a/scene/resources/particles_material.cpp +++ b/scene/resources/particles_material.cpp @@ -45,6 +45,7 @@ void ParticlesMaterial::init_shaders() { shader_names = memnew(ShaderNames); + shader_names->direction = "direction"; shader_names->spread = "spread"; shader_names->flatness = "flatness"; shader_names->initial_linear_velocity = "initial_linear_velocity"; @@ -100,6 +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() { @@ -144,6 +147,7 @@ void ParticlesMaterial::_update_shader() { String code = "shader_type particles;\n"; + code += "uniform vec3 direction;\n"; code += "uniform float spread;\n"; code += "uniform float flatness;\n"; code += "uniform float initial_linear_velocity;\n"; @@ -171,6 +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: { @@ -283,7 +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"; @@ -304,25 +313,26 @@ void ParticlesMaterial::_update_shader() { if (flags[FLAG_DISABLE_Z]) { - code += " float angle1_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; + code += " float angle1_rad = atan(direction.y, direction.x) + rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; code += " vec3 rot = vec3(cos(angle1_rad), sin(angle1_rad), 0.0);\n"; code += " VELOCITY = rot * initial_linear_velocity * mix(1.0, rand_from_seed(alt_seed), initial_linear_velocity_random);\n"; } else { //initiate velocity spread in 3D - code += " float angle1_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; - code += " float angle2_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad * (1.0 - flatness);\n"; + code += " float angle1_rad = atan(direction.x, direction.z) + rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; + code += " float angle2_rad = atan(direction.y, abs(direction.z)) + rand_from_seed_m1_p1(alt_seed) * spread_rad * (1.0 - flatness);\n"; code += " vec3 direction_xz = vec3(sin(angle1_rad), 0.0, cos(angle1_rad));\n"; code += " vec3 direction_yz = vec3(0.0, sin(angle2_rad), cos(angle2_rad));\n"; code += " direction_yz.z = direction_yz.z / max(0.0001,sqrt(abs(direction_yz.z))); // better uniform distribution\n"; - code += " vec3 direction = vec3(direction_xz.x * direction_yz.z, direction_yz.y, direction_xz.z * direction_yz.z);\n"; - code += " direction = normalize(direction);\n"; - code += " VELOCITY = direction * initial_linear_velocity * mix(1.0, rand_from_seed(alt_seed), initial_linear_velocity_random);\n"; + code += " vec3 vec_direction = vec3(direction_xz.x * direction_yz.z, direction_yz.y, direction_xz.z * direction_yz.z);\n"; + code += " vec_direction = normalize(vec_direction);\n"; + code += " VELOCITY = vec_direction * initial_linear_velocity * mix(1.0, rand_from_seed(alt_seed), initial_linear_velocity_random);\n"; } 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) { @@ -330,7 +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"; @@ -571,6 +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"; @@ -627,6 +643,17 @@ bool ParticlesMaterial::_is_shader_dirty() const { return dirty; } +void ParticlesMaterial::set_direction(Vector3 p_direction) { + + direction = p_direction; + VisualServer::get_singleton()->material_set_param(_get_material(), shader_names->direction, direction); +} + +Vector3 ParticlesMaterial::get_direction() const { + + return direction; +} + void ParticlesMaterial::set_spread(float p_spread) { spread = p_spread; @@ -998,6 +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()); @@ -1042,6 +1080,9 @@ Shader::Mode ParticlesMaterial::get_shader_mode() const { void ParticlesMaterial::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_direction", "degrees"), &ParticlesMaterial::set_direction); + ClassDB::bind_method(D_METHOD("get_direction"), &ParticlesMaterial::get_direction); + ClassDB::bind_method(D_METHOD("set_spread", "degrees"), &ParticlesMaterial::set_spread); ClassDB::bind_method(D_METHOD("get_spread"), &ParticlesMaterial::get_spread); @@ -1099,6 +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"); @@ -1115,7 +1161,8 @@ void ParticlesMaterial::_bind_methods() { ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flag_align_y"), "set_flag", "get_flag", FLAG_ALIGN_Y_TO_VELOCITY); ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flag_rotate_y"), "set_flag", "get_flag", FLAG_ROTATE_Y); ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flag_disable_z"), "set_flag", "get_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", ""); @@ -1200,6 +1247,7 @@ void ParticlesMaterial::_bind_methods() { ParticlesMaterial::ParticlesMaterial() : element(this) { + set_direction(Vector3(1, 0, 0)); set_spread(45); set_flatness(0); set_param(PARAM_INITIAL_LINEAR_VELOCITY, 0); @@ -1219,6 +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++) { |