diff options
Diffstat (limited to 'scene/resources/particles_material.cpp')
| -rw-r--r-- | scene/resources/particles_material.cpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp index 4bbfa8965a..a286184aee 100644 --- a/scene/resources/particles_material.cpp +++ b/scene/resources/particles_material.cpp @@ -98,6 +98,9 @@ void ParticlesMaterial::init_shaders() { shader_names->sub_emitter_frequency = "sub_emitter_frequency"; shader_names->sub_emitter_amount_at_end = "sub_emitter_amount_at_end"; shader_names->sub_emitter_keep_velocity = "sub_emitter_keep_velocity"; + + shader_names->collision_friction = "collision_friction"; + shader_names->collision_bounce = "collision_bounce"; } void ParticlesMaterial::finish_shaders() { @@ -136,6 +139,10 @@ void ParticlesMaterial::_update_shader() { String code = "shader_type particles;\n"; + if (collision_scale) { + code += "render_mode collision_use_scale;\n"; + } + code += "uniform vec3 direction;\n"; code += "uniform float spread;\n"; code += "uniform float flatness;\n"; @@ -247,6 +254,11 @@ void ParticlesMaterial::_update_shader() { code += "uniform sampler2D anim_offset_texture;\n"; } + if (collision_enabled) { + code += "uniform float collision_friction;\n"; + code += "uniform float collision_bounce;\n"; + } + //need a random function code += "\n\n"; code += "float rand_from_seed(inout uint seed) {\n"; @@ -476,6 +488,10 @@ void ParticlesMaterial::_update_shader() { code += " vec3 crossDiff = cross(normalize(diff), normalize(gravity));\n"; code += " force += length(crossDiff) > 0.0 ? normalize(crossDiff) * ((tangent_accel + tex_tangent_accel) * mix(1.0, rand_from_seed(alt_seed), tangent_accel_random)) : vec3(0.0);\n"; } + if (attractor_interaction_enabled) { + code += " force += ATTRACTOR_FORCE;\n\n"; + } + code += " // apply attractor forces\n"; code += " VELOCITY += force * DELTA;\n"; code += " // orbit velocity\n"; @@ -599,6 +615,13 @@ void ParticlesMaterial::_update_shader() { code += " VELOCITY.z = 0.0;\n"; code += " TRANSFORM[3].z = 0.0;\n"; } + if (collision_enabled) { + code += " if (COLLIDED) {\n"; + code += " TRANSFORM[3].xyz+=COLLISION_NORMAL * COLLISION_DEPTH;\n"; + code += " VELOCITY -= COLLISION_NORMAL * dot(COLLISION_NORMAL, VELOCITY) * (1.0 + collision_bounce);\n"; + code += " VELOCITY = mix(VELOCITY,vec3(0.0),collision_friction * DELTA * 100.0);\n"; + code += " }\n"; + } if (sub_emitter_mode != SUB_EMITTER_DISABLED) { code += " int emit_count = 0;\n"; switch (sub_emitter_mode) { @@ -609,6 +632,7 @@ void ParticlesMaterial::_update_shader() { } break; case SUB_EMITTER_AT_COLLISION: { //not implemented yet + code += " if (COLLIDED) emit_count = 1;\n"; } break; case SUB_EMITTER_AT_END: { //not implemented yet @@ -1072,6 +1096,51 @@ bool ParticlesMaterial::get_sub_emitter_keep_velocity() const { return sub_emitter_keep_velocity; } +void ParticlesMaterial::set_attractor_interaction_enabled(bool p_enable) { + attractor_interaction_enabled = p_enable; + _queue_shader_change(); +} + +bool ParticlesMaterial::is_attractor_interaction_enabled() const { + return attractor_interaction_enabled; +} + +void ParticlesMaterial::set_collision_enabled(bool p_enabled) { + collision_enabled = p_enabled; + _queue_shader_change(); +} + +bool ParticlesMaterial::is_collision_enabled() const { + return collision_enabled; +} + +void ParticlesMaterial::set_collision_use_scale(bool p_scale) { + collision_scale = p_scale; + _queue_shader_change(); +} + +bool ParticlesMaterial::is_collision_using_scale() const { + return collision_scale; +} + +void ParticlesMaterial::set_collision_friction(float p_friction) { + collision_friction = p_friction; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->collision_friction, p_friction); +} + +float ParticlesMaterial::get_collision_friction() const { + return collision_friction; +} + +void ParticlesMaterial::set_collision_bounce(float p_bounce) { + collision_bounce = p_bounce; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->collision_bounce, p_bounce); +} + +float ParticlesMaterial::get_collision_bounce() const { + return collision_bounce; +} + Shader::Mode ParticlesMaterial::get_shader_mode() const { return Shader::MODE_PARTICLES; } @@ -1143,6 +1212,21 @@ void ParticlesMaterial::_bind_methods() { ClassDB::bind_method(D_METHOD("get_sub_emitter_keep_velocity"), &ParticlesMaterial::get_sub_emitter_keep_velocity); ClassDB::bind_method(D_METHOD("set_sub_emitter_keep_velocity", "enable"), &ParticlesMaterial::set_sub_emitter_keep_velocity); + ClassDB::bind_method(D_METHOD("set_attractor_interaction_enabled", "enabled"), &ParticlesMaterial::set_attractor_interaction_enabled); + ClassDB::bind_method(D_METHOD("is_attractor_interaction_enabled"), &ParticlesMaterial::is_attractor_interaction_enabled); + + ClassDB::bind_method(D_METHOD("set_collision_enabled", "enabled"), &ParticlesMaterial::set_collision_enabled); + ClassDB::bind_method(D_METHOD("is_collision_enabled"), &ParticlesMaterial::is_collision_enabled); + + ClassDB::bind_method(D_METHOD("set_collision_use_scale", "radius"), &ParticlesMaterial::set_collision_use_scale); + ClassDB::bind_method(D_METHOD("is_collision_using_scale"), &ParticlesMaterial::is_collision_using_scale); + + ClassDB::bind_method(D_METHOD("set_collision_friction", "friction"), &ParticlesMaterial::set_collision_friction); + ClassDB::bind_method(D_METHOD("get_collision_friction"), &ParticlesMaterial::get_collision_friction); + + ClassDB::bind_method(D_METHOD("set_collision_bounce", "bounce"), &ParticlesMaterial::set_collision_bounce); + ClassDB::bind_method(D_METHOD("get_collision_bounce"), &ParticlesMaterial::get_collision_bounce); + ADD_GROUP("Time", ""); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "lifetime_randomness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_lifetime_randomness", "get_lifetime_randomness"); @@ -1221,6 +1305,14 @@ void ParticlesMaterial::_bind_methods() { ADD_PROPERTY(PropertyInfo(Variant::INT, "sub_emitter_amount_at_end", PROPERTY_HINT_RANGE, "1,32,1"), "set_sub_emitter_amount_at_end", "get_sub_emitter_amount_at_end"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "sub_emitter_keep_velocity"), "set_sub_emitter_keep_velocity", "get_sub_emitter_keep_velocity"); + ADD_GROUP("Attractor Interaction", "attractor_interaction_"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "attractor_interaction_enabled"), "set_attractor_interaction_enabled", "is_attractor_interaction_enabled"); + ADD_GROUP("Collision", "collision_"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "collision_enabled"), "set_collision_enabled", "is_collision_enabled"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "collision_friction", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_collision_friction", "get_collision_friction"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "collision_bounce", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_collision_bounce", "get_collision_bounce"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "collision_use_scale"), "set_collision_use_scale", "is_collision_using_scale"); + BIND_ENUM_CONSTANT(PARAM_INITIAL_LINEAR_VELOCITY); BIND_ENUM_CONSTANT(PARAM_ANGULAR_VELOCITY); BIND_ENUM_CONSTANT(PARAM_ORBIT_VELOCITY); @@ -1283,6 +1375,12 @@ ParticlesMaterial::ParticlesMaterial() : set_sub_emitter_amount_at_end(1); set_sub_emitter_keep_velocity(false); + set_attractor_interaction_enabled(true); + set_collision_enabled(true); + set_collision_bounce(0.0); + set_collision_friction(0.0); + set_collision_use_scale(false); + for (int i = 0; i < PARAM_MAX; i++) { set_param_randomness(Parameter(i), 0); } |