diff options
Diffstat (limited to 'scene/resources/particles_material.cpp')
| -rw-r--r-- | scene/resources/particles_material.cpp | 277 |
1 files changed, 158 insertions, 119 deletions
diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp index a0095ed952..49b8cbe7e0 100644 --- a/scene/resources/particles_material.cpp +++ b/scene/resources/particles_material.cpp @@ -91,13 +91,13 @@ void ParticlesMaterial::init_shaders() { shader_names->emission_texture_normal = "emission_texture_normal"; shader_names->emission_texture_color = "emission_texture_color"; - shader_names->trail_divisor = "trail_divisor"; - shader_names->trail_size_modifier = "trail_size_modifier"; - shader_names->trail_color_modifier = "trail_color_modifier"; - shader_names->gravity = "gravity"; shader_names->lifetime_randomness = "lifetime_randomness"; + + 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"; } void ParticlesMaterial::finish_shaders() { @@ -192,9 +192,17 @@ void ParticlesMaterial::_update_shader() { } } - code += "uniform vec4 color_value : hint_color;\n"; + if (sub_emitter_mode != SUB_EMITTER_DISABLED) { + if (sub_emitter_mode == SUB_EMITTER_CONSTANT) { + code += "uniform float sub_emitter_frequency;\n"; + } + if (sub_emitter_mode == SUB_EMITTER_AT_END) { + code += "uniform int sub_emitter_amount_at_end;\n"; + } + code += "uniform bool sub_emitter_keep_velocity;\n"; + } - code += "uniform int trail_divisor;\n"; + code += "uniform vec4 color_value : hint_color;\n"; code += "uniform vec3 gravity;\n"; @@ -239,14 +247,6 @@ void ParticlesMaterial::_update_shader() { code += "uniform sampler2D anim_offset_texture;\n"; } - if (trail_size_modifier.is_valid()) { - code += "uniform sampler2D trail_size_modifier;\n"; - } - - if (trail_color_modifier.is_valid()) { - code += "uniform sampler2D trail_color_modifier;\n"; - } - //need a random function code += "\n\n"; code += "float rand_from_seed(inout uint seed) {\n"; @@ -278,7 +278,7 @@ void ParticlesMaterial::_update_shader() { code += "\n"; code += "void compute() {\n"; - code += " uint base_number = NUMBER / uint(trail_divisor);\n"; + code += " uint base_number = NUMBER;\n"; code += " uint alt_seed = hash(base_number + uint(1) + RANDOM_SEED);\n"; code += " float angle_rand = rand_from_seed(alt_seed);\n"; code += " float scale_rand = rand_from_seed(alt_seed);\n"; @@ -293,17 +293,7 @@ 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 += " 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"; - } else { - code += " float tex_linear_velocity = 0.0;\n"; - } + code += " if (RESTART) {\n"; if (tex_parameters[PARAM_ANGLE].is_valid()) { code += " float tex_angle = textureLod(angle_texture, vec2(0.0, 0.0), 0.0).r;\n"; @@ -319,25 +309,34 @@ void ParticlesMaterial::_update_shader() { code += " float spread_rad = spread * degree_to_rad;\n"; + code += " if (RESTART_VELOCITY) {\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"; + } else { + code += " float tex_linear_velocity = 0.0;\n"; + } + if (flags[FLAG_DISABLE_Z]) { - code += " float angle1_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; - code += " angle1_rad += direction.x != 0.0 ? atan(direction.y, direction.x) : sign(direction.y) * (pi / 2.0);\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"; + code += " float angle1_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; + code += " angle1_rad += direction.x != 0.0 ? atan(direction.y, direction.x) : sign(direction.y) * (pi / 2.0);\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 += " angle1_rad += direction.z != 0.0 ? atan(direction.x, direction.z) : sign(direction.x) * (pi / 2.0);\n"; - code += " angle2_rad += direction.z != 0.0 ? atan(direction.y, abs(direction.z)) : (direction.x != 0.0 ? atan(direction.y, abs(direction.x)) : sign(direction.y) * (pi / 2.0));\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 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 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 += " angle1_rad += direction.z != 0.0 ? atan(direction.x, direction.z) : sign(direction.x) * (pi / 2.0);\n"; + code += " angle2_rad += direction.z != 0.0 ? atan(direction.y, abs(direction.z)) : (direction.x != 0.0 ? atan(direction.y, abs(direction.x)) : sign(direction.y) * (pi / 2.0));\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 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 += " }\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 @@ -345,35 +344,38 @@ void ParticlesMaterial::_update_shader() { code += " CUSTOM.w = (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) + code += " if (RESTART_POSITION) {\n"; + switch (emission_shape) { case EMISSION_SHAPE_POINT: { - //do none + //do none, identity (will later be multiplied by emission transform) + code += " TRANSFORM = mat4(vec4(1,0,0,0),vec4(0,1,0,0),vec4(0,0,1,0),vec4(0,0,0,1));\n"; } break; case EMISSION_SHAPE_SPHERE: { - 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"; + 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"; + 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"; } break; case EMISSION_SHAPE_POINTS: case EMISSION_SHAPE_DIRECTED_POINTS: { - code += " TRANSFORM[3].xyz = texelFetch(emission_texture_points, emission_tex_ofs, 0).xyz;\n"; + code += " TRANSFORM[3].xyz = texelFetch(emission_texture_points, emission_tex_ofs, 0).xyz;\n"; if (emission_shape == EMISSION_SHAPE_DIRECTED_POINTS) { if (flags[FLAG_DISABLE_Z]) { - code += " mat2 rotm;"; - code += " rotm[0] = texelFetch(emission_texture_normal, emission_tex_ofs, 0).xy;\n"; - code += " rotm[1] = rotm[0].yx * vec2(1.0, -1.0);\n"; - code += " VELOCITY.xy = rotm * VELOCITY.xy;\n"; + code += " mat2 rotm;"; + code += " rotm[0] = texelFetch(emission_texture_normal, emission_tex_ofs, 0).xy;\n"; + code += " rotm[1] = rotm[0].yx * vec2(1.0, -1.0);\n"; + code += " if (RESTART_VELOCITY) VELOCITY.xy = rotm * VELOCITY.xy;\n"; } else { - code += " vec3 normal = texelFetch(emission_texture_normal, emission_tex_ofs, 0).xyz;\n"; - code += " vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);\n"; - code += " vec3 tangent = normalize(cross(v0, normal));\n"; - code += " vec3 bitangent = normalize(cross(tangent, normal));\n"; - code += " VELOCITY = mat3(tangent, bitangent, normal) * VELOCITY;\n"; + code += " vec3 normal = texelFetch(emission_texture_normal, emission_tex_ofs, 0).xyz;\n"; + code += " vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);\n"; + code += " vec3 tangent = normalize(cross(v0, normal));\n"; + code += " vec3 bitangent = normalize(cross(tangent, normal));\n"; + code += " if (RESTART_VELOCITY) VELOCITY = mat3(tangent, bitangent, normal) * VELOCITY;\n"; } } } break; @@ -381,12 +383,14 @@ void ParticlesMaterial::_update_shader() { break; } } - code += " VELOCITY = (EMISSION_TRANSFORM * vec4(VELOCITY, 0.0)).xyz;\n"; - code += " TRANSFORM = EMISSION_TRANSFORM * TRANSFORM;\n"; + + code += " if (RESTART_VELOCITY) VELOCITY = (EMISSION_TRANSFORM * vec4(VELOCITY, 0.0)).xyz;\n"; + code += " TRANSFORM = EMISSION_TRANSFORM * TRANSFORM;\n"; if (flags[FLAG_DISABLE_Z]) { - code += " VELOCITY.z = 0.0;\n"; - code += " TRANSFORM[3].z = 0.0;\n"; + code += " VELOCITY.z = 0.0;\n"; + code += " TRANSFORM[3].z = 0.0;\n"; } + code += " }\n"; code += " } else {\n"; @@ -540,11 +544,6 @@ void ParticlesMaterial::_update_shader() { if (emission_color_texture.is_valid() && (emission_shape == EMISSION_SHAPE_POINTS || emission_shape == EMISSION_SHAPE_DIRECTED_POINTS)) { code += " COLOR *= texelFetch(emission_texture_color, emission_tex_ofs, 0);\n"; } - if (trail_color_modifier.is_valid()) { - code += " if (trail_divisor > 1) {\n"; - code += " COLOR *= textureLod(trail_color_modifier, vec2(float(int(NUMBER) % trail_divisor) / float(trail_divisor - 1), 0.0), 0.0);\n"; - code += " }\n"; - } code += "\n"; if (flags[FLAG_DISABLE_Z]) { @@ -592,11 +591,6 @@ void ParticlesMaterial::_update_shader() { code += " if (base_scale < 0.000001) {\n"; code += " base_scale = 0.000001;\n"; code += " }\n"; - if (trail_size_modifier.is_valid()) { - code += " if (trail_divisor > 1) {\n"; - code += " base_scale *= textureLod(trail_size_modifier, vec2(float(int(NUMBER) % trail_divisor) / float(trail_divisor - 1), 0.0), 0.0).r;\n"; - code += " }\n"; - } code += " TRANSFORM[0].xyz *= base_scale;\n"; code += " TRANSFORM[1].xyz *= base_scale;\n"; @@ -605,6 +599,33 @@ void ParticlesMaterial::_update_shader() { code += " VELOCITY.z = 0.0;\n"; code += " TRANSFORM[3].z = 0.0;\n"; } + if (sub_emitter_mode != SUB_EMITTER_DISABLED) { + code += " int emit_count = 0;\n"; + switch (sub_emitter_mode) { + case SUB_EMITTER_CONSTANT: { + code += " float interval_from = CUSTOM.y * LIFETIME - DELTA;\n"; + code += " float interval_rem = sub_emitter_frequency - mod(interval_from,sub_emitter_frequency);\n"; + code += " if (DELTA >= interval_rem) emit_count = 1;\n"; + } break; + case SUB_EMITTER_AT_COLLISION: { + //not implemented yet + } break; + case SUB_EMITTER_AT_END: { + //not implemented yet + code += " float unit_delta = DELTA/LIFETIME;\n"; + code += " float end_time = CUSTOM.w * 0.95;\n"; // if we do at the end we might miss it, as it can just get deactivated by emitter + code += " if (CUSTOM.y < end_time && (CUSTOM.y + unit_delta) >= end_time) emit_count = sub_emitter_amount_at_end;\n"; + } break; + default: { + } + } + code += " for(int i=0;i<emit_count;i++) {\n"; + code += " uint flags = FLAG_EMIT_POSITION|FLAG_EMIT_ROT_SCALE;\n"; + code += " if (sub_emitter_keep_velocity) flags|=FLAG_EMIT_VELOCITY;\n"; + code += " emit_particle(TRANSFORM,VELOCITY,vec4(0.0),vec4(0.0),flags);\n"; + code += " }"; + } + code += " if (CUSTOM.y > CUSTOM.w) {"; code += " ACTIVE = false;\n"; code += " }\n"; @@ -951,41 +972,6 @@ int ParticlesMaterial::get_emission_point_count() const { return emission_point_count; } -void ParticlesMaterial::set_trail_divisor(int p_divisor) { - trail_divisor = p_divisor; - RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->trail_divisor, p_divisor); -} - -int ParticlesMaterial::get_trail_divisor() const { - return trail_divisor; -} - -void ParticlesMaterial::set_trail_size_modifier(const Ref<CurveTexture> &p_trail_size_modifier) { - trail_size_modifier = p_trail_size_modifier; - - Ref<CurveTexture> curve = trail_size_modifier; - if (curve.is_valid()) { - curve->ensure_default_setup(); - } - - RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->trail_size_modifier, curve); - _queue_shader_change(); -} - -Ref<CurveTexture> ParticlesMaterial::get_trail_size_modifier() const { - return trail_size_modifier; -} - -void ParticlesMaterial::set_trail_color_modifier(const Ref<GradientTexture> &p_trail_color_modifier) { - trail_color_modifier = p_trail_color_modifier; - RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->trail_color_modifier, p_trail_color_modifier); - _queue_shader_change(); -} - -Ref<GradientTexture> ParticlesMaterial::get_trail_color_modifier() const { - return trail_color_modifier; -} - void ParticlesMaterial::set_gravity(const Vector3 &p_gravity) { gravity = p_gravity; Vector3 gset = gravity; @@ -1038,11 +1024,54 @@ void ParticlesMaterial::_validate_property(PropertyInfo &property) const { property.usage = 0; } + if (property.name == "sub_emitter_frequency" && sub_emitter_mode != SUB_EMITTER_CONSTANT) { + property.usage = 0; + } + + if (property.name == "sub_emitter_amount_at_end" && sub_emitter_mode != SUB_EMITTER_AT_END) { + property.usage = 0; + } + if (property.name.begins_with("orbit_") && !flags[FLAG_DISABLE_Z]) { property.usage = 0; } } +void ParticlesMaterial::set_sub_emitter_mode(SubEmitterMode p_sub_emitter_mode) { + sub_emitter_mode = p_sub_emitter_mode; + _queue_shader_change(); + _change_notify(); +} + +ParticlesMaterial::SubEmitterMode ParticlesMaterial::get_sub_emitter_mode() const { + return sub_emitter_mode; +} + +void ParticlesMaterial::set_sub_emitter_frequency(float p_frequency) { + sub_emitter_frequency = p_frequency; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->sub_emitter_frequency, 1.0 / p_frequency); //pas delta instead of frequency, since its easier to compute +} +float ParticlesMaterial::get_sub_emitter_frequency() const { + return sub_emitter_frequency; +} + +void ParticlesMaterial::set_sub_emitter_amount_at_end(int p_amount) { + sub_emitter_amount_at_end = p_amount; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->sub_emitter_amount_at_end, p_amount); +} + +int ParticlesMaterial::get_sub_emitter_amount_at_end() const { + return sub_emitter_amount_at_end; +} + +void ParticlesMaterial::set_sub_emitter_keep_velocity(bool p_enable) { + sub_emitter_keep_velocity = p_enable; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->sub_emitter_keep_velocity, p_enable); +} +bool ParticlesMaterial::get_sub_emitter_keep_velocity() const { + return sub_emitter_keep_velocity; +} + Shader::Mode ParticlesMaterial::get_shader_mode() const { return Shader::MODE_PARTICLES; } @@ -1096,27 +1125,27 @@ void ParticlesMaterial::_bind_methods() { ClassDB::bind_method(D_METHOD("set_emission_point_count", "point_count"), &ParticlesMaterial::set_emission_point_count); ClassDB::bind_method(D_METHOD("get_emission_point_count"), &ParticlesMaterial::get_emission_point_count); - ClassDB::bind_method(D_METHOD("set_trail_divisor", "divisor"), &ParticlesMaterial::set_trail_divisor); - ClassDB::bind_method(D_METHOD("get_trail_divisor"), &ParticlesMaterial::get_trail_divisor); - - ClassDB::bind_method(D_METHOD("set_trail_size_modifier", "texture"), &ParticlesMaterial::set_trail_size_modifier); - ClassDB::bind_method(D_METHOD("get_trail_size_modifier"), &ParticlesMaterial::get_trail_size_modifier); - - ClassDB::bind_method(D_METHOD("set_trail_color_modifier", "texture"), &ParticlesMaterial::set_trail_color_modifier); - ClassDB::bind_method(D_METHOD("get_trail_color_modifier"), &ParticlesMaterial::get_trail_color_modifier); - 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); + ClassDB::bind_method(D_METHOD("get_sub_emitter_mode"), &ParticlesMaterial::get_sub_emitter_mode); + ClassDB::bind_method(D_METHOD("set_sub_emitter_mode", "mode"), &ParticlesMaterial::set_sub_emitter_mode); + + ClassDB::bind_method(D_METHOD("get_sub_emitter_frequency"), &ParticlesMaterial::get_sub_emitter_frequency); + ClassDB::bind_method(D_METHOD("set_sub_emitter_frequency", "hz"), &ParticlesMaterial::set_sub_emitter_frequency); + + ClassDB::bind_method(D_METHOD("get_sub_emitter_amount_at_end"), &ParticlesMaterial::get_sub_emitter_amount_at_end); + ClassDB::bind_method(D_METHOD("set_sub_emitter_amount_at_end", "amount"), &ParticlesMaterial::set_sub_emitter_amount_at_end); + + 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); + ADD_GROUP("Time", ""); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "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"); - ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "trail_color_modifier", PROPERTY_HINT_RESOURCE_TYPE, "GradientTexture"), "set_trail_color_modifier", "get_trail_color_modifier"); + ADD_GROUP("Emission Shape", "emission_"); ADD_PROPERTY(PropertyInfo(Variant::INT, "emission_shape", PROPERTY_HINT_ENUM, "Point,Sphere,Box,Points,Directed Points"), "set_emission_shape", "get_emission_shape"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "emission_sphere_radius", PROPERTY_HINT_RANGE, "0.01,128,0.01,or_greater"), "set_emission_sphere_radius", "get_emission_sphere_radius"); @@ -1186,6 +1215,12 @@ void ParticlesMaterial::_bind_methods() { ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_offset_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ANIM_OFFSET); ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "anim_offset_curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_param_texture", "get_param_texture", PARAM_ANIM_OFFSET); + ADD_GROUP("Sub Emitter", "sub_emitter_"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "sub_emitter_mode", PROPERTY_HINT_ENUM, "Disabled,Constant,AtEnd,AtCollision"), "set_sub_emitter_mode", "get_sub_emitter_mode"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "sub_emitter_frequency", PROPERTY_HINT_RANGE, "0.01,100,0.01"), "set_sub_emitter_frequency", "get_sub_emitter_frequency"); + 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"); + BIND_ENUM_CONSTANT(PARAM_INITIAL_LINEAR_VELOCITY); BIND_ENUM_CONSTANT(PARAM_ANGULAR_VELOCITY); BIND_ENUM_CONSTANT(PARAM_ORBIT_VELOCITY); @@ -1233,11 +1268,15 @@ ParticlesMaterial::ParticlesMaterial() : set_emission_shape(EMISSION_SHAPE_POINT); set_emission_sphere_radius(1); 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; + set_sub_emitter_mode(SUB_EMITTER_DISABLED); + set_sub_emitter_frequency(4); + set_sub_emitter_amount_at_end(1); + set_sub_emitter_keep_velocity(false); + for (int i = 0; i < PARAM_MAX; i++) { set_param_randomness(Parameter(i), 0); } |