diff options
| -rw-r--r-- | scene/resources/particles_material.cpp | 257 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/renderer_storage_rd.cpp | 1 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/shader_rd.cpp | 1 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/shaders/particles.glsl | 214 | ||||
| -rw-r--r-- | servers/rendering/shader_types.cpp | 26 |
5 files changed, 264 insertions, 235 deletions
diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp index 6a65173176..bb47eebe9b 100644 --- a/scene/resources/particles_material.cpp +++ b/scene/resources/particles_material.cpp @@ -289,7 +289,7 @@ void ParticlesMaterial::_update_shader() { code += "}\n"; code += "\n"; - code += "void process() {\n"; + code += "void start() {\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"; @@ -305,97 +305,94 @@ 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 += " float tv = 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"; + code += " float tex_angle = textureLod(angle_texture, vec2(0.0, 0.0), 0.0).r;\n"; } else { - code += " float tex_angle = 0.0;\n"; + code += " float tex_angle = 0.0;\n"; } if (tex_parameters[PARAM_ANIM_OFFSET].is_valid()) { - code += " float tex_anim_offset = textureLod(anim_offset_texture, vec2(0.0, 0.0), 0.0).r;\n"; + code += " float tex_anim_offset = textureLod(anim_offset_texture, vec2(0.0, 0.0), 0.0).r;\n"; } else { - code += " float tex_anim_offset = 0.0;\n"; + code += " float tex_anim_offset = 0.0;\n"; } - code += " float spread_rad = spread * degree_to_rad;\n"; + code += " float spread_rad = spread * degree_to_rad;\n"; - code += " if (RESTART_VELOCITY) {\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"; + 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 += " float tex_linear_velocity = 0.0;\n"; } if (particle_flags[PARTICLE_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 += " 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 spread_direction = vec3(direction_xz.x * direction_yz.z, direction_yz.y, direction_xz.z * direction_yz.z);\n"; - code += " vec3 direction_nrm = normalize(direction);\n"; - code += " // rotate spread to direction\n"; - code += " vec3 binormal = cross(vec3(0.0, 1.0, 0.0), direction_nrm);\n"; - code += " if (length(binormal) < 0.0001) {\n"; - code += " // direction is parallel to Y. Choose Z as the binormal.\n"; - code += " binormal = vec3(0.0, 0.0, 1.0);\n"; - code += " }\n"; - code += " binormal = normalize(binormal);\n"; - code += " vec3 normal = cross(binormal, direction_nrm);\n"; - code += " spread_direction = binormal * spread_direction.x + normal * spread_direction.y + direction_nrm * spread_direction.z;\n"; - code += " VELOCITY = spread_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 += " 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 spread_direction = vec3(direction_xz.x * direction_yz.z, direction_yz.y, direction_xz.z * direction_yz.z);\n"; + code += " vec3 direction_nrm = normalize(direction);\n"; + code += " // rotate spread to direction\n"; + code += " vec3 binormal = cross(vec3(0.0, 1.0, 0.0), direction_nrm);\n"; + code += " if (length(binormal) < 0.0001) {\n"; + code += " // direction is parallel to Y. Choose Z as the binormal.\n"; + code += " binormal = vec3(0.0, 0.0, 1.0);\n"; + code += " }\n"; + code += " binormal = normalize(binormal);\n"; + code += " vec3 normal = cross(binormal, direction_nrm);\n"; + code += " spread_direction = binormal * spread_direction.x + normal * spread_direction.y + direction_nrm * spread_direction.z;\n"; + code += " VELOCITY = spread_direction * initial_linear_velocity * mix(1.0, rand_from_seed(alt_seed), initial_linear_velocity_random);\n"; } - code += " }\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 - code += " CUSTOM.y = 0.0;\n"; // phase - 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 += " 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 = (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"; + code += " if (RESTART_POSITION) {\n"; switch (emission_shape) { case EMISSION_SHAPE_POINT: { //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"; + 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 (particle_flags[PARTICLE_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 += " if (RESTART_VELOCITY) 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 += " if (RESTART_VELOCITY) 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; @@ -404,134 +401,144 @@ void ParticlesMaterial::_update_shader() { } } - code += " if (RESTART_VELOCITY) 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 (particle_flags[PARTICLE_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 += " }\n"; + code += "}\n\n"; - code += " } else {\n"; + code += "void process() {\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"; + code += " float hue_rot_rand = rand_from_seed(alt_seed);\n"; + code += " float anim_offset_rand = rand_from_seed(alt_seed);\n"; + code += " float pi = 3.14159;\n"; + code += " float degree_to_rad = pi / 180.0;\n"; + code += "\n"; - code += " CUSTOM.y += DELTA / LIFETIME;\n"; - code += " tv = CUSTOM.y / CUSTOM.w;\n"; + code += " CUSTOM.y += DELTA / LIFETIME;\n"; + code += " float tv = CUSTOM.y / CUSTOM.w;\n"; if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) { - code += " float tex_linear_velocity = textureLod(linear_velocity_texture, vec2(tv, 0.0), 0.0).r;\n"; + code += " float tex_linear_velocity = textureLod(linear_velocity_texture, vec2(tv, 0.0), 0.0).r;\n"; } else { - code += " float tex_linear_velocity = 0.0;\n"; + code += " float tex_linear_velocity = 0.0;\n"; } if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) { if (tex_parameters[PARAM_ORBIT_VELOCITY].is_valid()) { - code += " float tex_orbit_velocity = textureLod(orbit_velocity_texture, vec2(tv, 0.0), 0.0).r;\n"; + code += " float tex_orbit_velocity = textureLod(orbit_velocity_texture, vec2(tv, 0.0), 0.0).r;\n"; } else { - code += " float tex_orbit_velocity = 0.0;\n"; + code += " float tex_orbit_velocity = 0.0;\n"; } } if (tex_parameters[PARAM_ANGULAR_VELOCITY].is_valid()) { - code += " float tex_angular_velocity = textureLod(angular_velocity_texture, vec2(tv, 0.0), 0.0).r;\n"; + code += " float tex_angular_velocity = textureLod(angular_velocity_texture, vec2(tv, 0.0), 0.0).r;\n"; } else { - code += " float tex_angular_velocity = 0.0;\n"; + code += " float tex_angular_velocity = 0.0;\n"; } if (tex_parameters[PARAM_LINEAR_ACCEL].is_valid()) { - code += " float tex_linear_accel = textureLod(linear_accel_texture, vec2(tv, 0.0), 0.0).r;\n"; + code += " float tex_linear_accel = textureLod(linear_accel_texture, vec2(tv, 0.0), 0.0).r;\n"; } else { - code += " float tex_linear_accel = 0.0;\n"; + code += " float tex_linear_accel = 0.0;\n"; } if (tex_parameters[PARAM_RADIAL_ACCEL].is_valid()) { - code += " float tex_radial_accel = textureLod(radial_accel_texture, vec2(tv, 0.0), 0.0).r;\n"; + code += " float tex_radial_accel = textureLod(radial_accel_texture, vec2(tv, 0.0), 0.0).r;\n"; } else { - code += " float tex_radial_accel = 0.0;\n"; + code += " float tex_radial_accel = 0.0;\n"; } if (tex_parameters[PARAM_TANGENTIAL_ACCEL].is_valid()) { - code += " float tex_tangent_accel = textureLod(tangent_accel_texture, vec2(tv, 0.0), 0.0).r;\n"; + code += " float tex_tangent_accel = textureLod(tangent_accel_texture, vec2(tv, 0.0), 0.0).r;\n"; } else { - code += " float tex_tangent_accel = 0.0;\n"; + code += " float tex_tangent_accel = 0.0;\n"; } if (tex_parameters[PARAM_DAMPING].is_valid()) { - code += " float tex_damping = textureLod(damping_texture, vec2(tv, 0.0), 0.0).r;\n"; + code += " float tex_damping = textureLod(damping_texture, vec2(tv, 0.0), 0.0).r;\n"; } else { - code += " float tex_damping = 0.0;\n"; + code += " float tex_damping = 0.0;\n"; } if (tex_parameters[PARAM_ANGLE].is_valid()) { - code += " float tex_angle = textureLod(angle_texture, vec2(tv, 0.0), 0.0).r;\n"; + code += " float tex_angle = textureLod(angle_texture, vec2(tv, 0.0), 0.0).r;\n"; } else { - code += " float tex_angle = 0.0;\n"; + code += " float tex_angle = 0.0;\n"; } if (tex_parameters[PARAM_ANIM_SPEED].is_valid()) { - code += " float tex_anim_speed = textureLod(anim_speed_texture, vec2(tv, 0.0), 0.0).r;\n"; + code += " float tex_anim_speed = textureLod(anim_speed_texture, vec2(tv, 0.0), 0.0).r;\n"; } else { - code += " float tex_anim_speed = 0.0;\n"; + code += " float tex_anim_speed = 0.0;\n"; } if (tex_parameters[PARAM_ANIM_OFFSET].is_valid()) { - code += " float tex_anim_offset = textureLod(anim_offset_texture, vec2(tv, 0.0), 0.0).r;\n"; + code += " float tex_anim_offset = textureLod(anim_offset_texture, vec2(tv, 0.0), 0.0).r;\n"; } else { - code += " float tex_anim_offset = 0.0;\n"; + code += " float tex_anim_offset = 0.0;\n"; } - code += " vec3 force = gravity;\n"; - code += " vec3 pos = TRANSFORM[3].xyz;\n"; + code += " vec3 force = gravity;\n"; + code += " vec3 pos = TRANSFORM[3].xyz;\n"; if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) { - code += " pos.z = 0.0;\n"; - } - code += " // apply linear acceleration\n"; - code += " force += length(VELOCITY) > 0.0 ? normalize(VELOCITY) * (linear_accel + tex_linear_accel) * mix(1.0, rand_from_seed(alt_seed), linear_accel_random) : vec3(0.0);\n"; - code += " // apply radial acceleration\n"; - code += " vec3 org = EMISSION_TRANSFORM[3].xyz;\n"; - code += " vec3 diff = pos - org;\n"; - code += " force += length(diff) > 0.0 ? normalize(diff) * (radial_accel + tex_radial_accel) * mix(1.0, rand_from_seed(alt_seed), radial_accel_random) : vec3(0.0);\n"; - code += " // apply tangential acceleration;\n"; + code += " pos.z = 0.0;\n"; + } + code += " // apply linear acceleration\n"; + code += " force += length(VELOCITY) > 0.0 ? normalize(VELOCITY) * (linear_accel + tex_linear_accel) * mix(1.0, rand_from_seed(alt_seed), linear_accel_random) : vec3(0.0);\n"; + code += " // apply radial acceleration\n"; + code += " vec3 org = EMISSION_TRANSFORM[3].xyz;\n"; + code += " vec3 diff = pos - org;\n"; + code += " force += length(diff) > 0.0 ? normalize(diff) * (radial_accel + tex_radial_accel) * mix(1.0, rand_from_seed(alt_seed), radial_accel_random) : vec3(0.0);\n"; + code += " // apply tangential acceleration;\n"; if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) { - code += " force += length(diff.yx) > 0.0 ? vec3(normalize(diff.yx * vec2(-1.0, 1.0)), 0.0) * ((tangent_accel + tex_tangent_accel) * mix(1.0, rand_from_seed(alt_seed), tangent_accel_random)) : vec3(0.0);\n"; + code += " force += length(diff.yx) > 0.0 ? vec3(normalize(diff.yx * vec2(-1.0, 1.0)), 0.0) * ((tangent_accel + tex_tangent_accel) * mix(1.0, rand_from_seed(alt_seed), tangent_accel_random)) : vec3(0.0);\n"; } else { - 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"; + 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 += " force += ATTRACTOR_FORCE;\n\n"; } - code += " // apply attractor forces\n"; - code += " VELOCITY += force * DELTA;\n"; - code += " // orbit velocity\n"; + code += " // apply attractor forces\n"; + code += " VELOCITY += force * DELTA;\n"; + code += " // orbit velocity\n"; if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) { - code += " float orbit_amount = (orbit_velocity + tex_orbit_velocity) * mix(1.0, rand_from_seed(alt_seed), orbit_velocity_random);\n"; - code += " if (orbit_amount != 0.0) {\n"; - code += " float ang = orbit_amount * DELTA * pi * 2.0;\n"; - code += " mat2 rot = mat2(vec2(cos(ang), -sin(ang)), vec2(sin(ang), cos(ang)));\n"; - code += " TRANSFORM[3].xy -= diff.xy;\n"; - code += " TRANSFORM[3].xy += rot * diff.xy;\n"; - code += " }\n"; + code += " float orbit_amount = (orbit_velocity + tex_orbit_velocity) * mix(1.0, rand_from_seed(alt_seed), orbit_velocity_random);\n"; + code += " if (orbit_amount != 0.0) {\n"; + code += " float ang = orbit_amount * DELTA * pi * 2.0;\n"; + code += " mat2 rot = mat2(vec2(cos(ang), -sin(ang)), vec2(sin(ang), cos(ang)));\n"; + code += " TRANSFORM[3].xy -= diff.xy;\n"; + code += " TRANSFORM[3].xy += rot * diff.xy;\n"; + code += " }\n"; } if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) { - code += " VELOCITY = normalize(VELOCITY) * tex_linear_velocity;\n"; - } - code += " if (damping + tex_damping > 0.0) {\n"; - code += " float v = length(VELOCITY);\n"; - code += " float damp = (damping + tex_damping) * mix(1.0, rand_from_seed(alt_seed), damping_random);\n"; - code += " v -= damp * DELTA;\n"; - code += " if (v < 0.0) {\n"; - code += " VELOCITY = vec3(0.0);\n"; - code += " } else {\n"; - code += " VELOCITY = normalize(VELOCITY) * v;\n"; - code += " }\n"; + code += " VELOCITY = normalize(VELOCITY) * tex_linear_velocity;\n"; + } + code += " if (damping + tex_damping > 0.0) {\n"; + code += " float v = length(VELOCITY);\n"; + code += " float damp = (damping + tex_damping) * mix(1.0, rand_from_seed(alt_seed), damping_random);\n"; + code += " v -= damp * DELTA;\n"; + code += " if (v < 0.0) {\n"; + code += " VELOCITY = vec3(0.0);\n"; + code += " } else {\n"; + code += " VELOCITY = normalize(VELOCITY) * v;\n"; code += " }\n"; - code += " float base_angle = (initial_angle + tex_angle) * mix(1.0, angle_rand, initial_angle_random);\n"; - code += " base_angle += CUSTOM.y * LIFETIME * (angular_velocity + tex_angular_velocity) * mix(1.0, rand_from_seed(alt_seed) * 2.0 - 1.0, angular_velocity_random);\n"; - code += " CUSTOM.x = base_angle * degree_to_rad;\n"; // angle - code += " CUSTOM.z = (anim_offset + tex_anim_offset) * mix(1.0, anim_offset_rand, anim_offset_random) + CUSTOM.y * (anim_speed + tex_anim_speed) * mix(1.0, rand_from_seed(alt_seed), anim_speed_random);\n"; // angle code += " }\n"; + code += " float base_angle = (initial_angle + tex_angle) * mix(1.0, angle_rand, initial_angle_random);\n"; + code += " base_angle += CUSTOM.y * LIFETIME * (angular_velocity + tex_angular_velocity) * mix(1.0, rand_from_seed(alt_seed) * 2.0 - 1.0, angular_velocity_random);\n"; + code += " CUSTOM.x = base_angle * degree_to_rad;\n"; // angle + code += " CUSTOM.z = (anim_offset + tex_anim_offset) * mix(1.0, anim_offset_rand, anim_offset_random) + CUSTOM.y * (anim_speed + tex_anim_speed) * mix(1.0, rand_from_seed(alt_seed), anim_speed_random);\n"; // angle + // apply color // apply hue rotation if (tex_parameters[PARAM_SCALE].is_valid()) { @@ -659,7 +666,7 @@ void ParticlesMaterial::_update_shader() { code += " }"; } - code += " if (CUSTOM.y > CUSTOM.w) {"; + code += " if (CUSTOM.y > CUSTOM.w) {\n"; code += " ACTIVE = false;\n"; code += " }\n"; code += "}\n"; diff --git a/servers/rendering/renderer_rd/renderer_storage_rd.cpp b/servers/rendering/renderer_rd/renderer_storage_rd.cpp index 92df9cc702..189c5782f4 100644 --- a/servers/rendering/renderer_rd/renderer_storage_rd.cpp +++ b/servers/rendering/renderer_rd/renderer_storage_rd.cpp @@ -4781,6 +4781,7 @@ void RendererStorageRD::ParticlesShaderData::set_code(const String &p_code) { ShaderCompilerRD::GeneratedCode gen_code; ShaderCompilerRD::IdentifierActions actions; + actions.entry_point_stages["start"] = ShaderCompilerRD::STAGE_COMPUTE; actions.entry_point_stages["process"] = ShaderCompilerRD::STAGE_COMPUTE; /* diff --git a/servers/rendering/renderer_rd/shader_rd.cpp b/servers/rendering/renderer_rd/shader_rd.cpp index c48a2ef48c..f7242a2b17 100644 --- a/servers/rendering/renderer_rd/shader_rd.cpp +++ b/servers/rendering/renderer_rd/shader_rd.cpp @@ -233,6 +233,7 @@ void ShaderRD::_compile_variant(uint32_t p_variant, Version *p_version) { _build_variant_code(builder, p_variant, p_version, stage_templates[STAGE_TYPE_COMPUTE]); current_source = builder.as_string(); + RD::ShaderStageData stage; stage.spir_v = RD::get_singleton()->shader_compile_from_source(RD::SHADER_STAGE_COMPUTE, current_source, RD::SHADER_LANGUAGE_GLSL, &error); if (stage.spir_v.size() == 0) { diff --git a/servers/rendering/renderer_rd/shaders/particles.glsl b/servers/rendering/renderer_rd/shaders/particles.glsl index c438352c05..3712220dc4 100644 --- a/servers/rendering/renderer_rd/shaders/particles.glsl +++ b/servers/rendering/renderer_rd/shaders/particles.glsl @@ -252,6 +252,115 @@ void main() { /* Process physics if active */ + if (params.sub_emitter_mode) { + if (!PARTICLE.is_active) { + int src_index = atomicAdd(src_particles.particle_count, -1) - 1; + + if (src_index >= 0) { + PARTICLE.is_active = true; + restart = true; + + if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_POSITION)) { + PARTICLE.xform[3] = src_particles.data[src_index].xform[3]; + } else { + PARTICLE.xform[3] = vec4(0, 0, 0, 1); + restart_position = true; + } + if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_ROTATION_SCALE)) { + PARTICLE.xform[0] = src_particles.data[src_index].xform[0]; + PARTICLE.xform[1] = src_particles.data[src_index].xform[1]; + PARTICLE.xform[2] = src_particles.data[src_index].xform[2]; + } else { + PARTICLE.xform[0] = vec4(1, 0, 0, 0); + PARTICLE.xform[1] = vec4(0, 1, 0, 0); + PARTICLE.xform[2] = vec4(0, 0, 1, 0); + restart_rotation_scale = true; + } + if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_VELOCITY)) { + PARTICLE.velocity = src_particles.data[src_index].velocity; + } else { + PARTICLE.velocity = vec3(0); + restart_velocity = true; + } + if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_COLOR)) { + PARTICLE.color = src_particles.data[src_index].color; + } else { + PARTICLE.color = vec4(1); + restart_color = true; + } + + if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_CUSTOM)) { + PARTICLE.custom = src_particles.data[src_index].custom; + } else { + PARTICLE.custom = vec4(0); + restart_custom = true; + } + } + } + + } else if (FRAME.emitting) { + float restart_phase = float(index) / float(params.total_particles); + + if (FRAME.randomness > 0.0) { + uint seed = FRAME.cycle; + if (restart_phase >= FRAME.system_phase) { + seed -= uint(1); + } + seed *= uint(params.total_particles); + seed += uint(index); + float random = float(hash(seed) % uint(65536)) / 65536.0; + restart_phase += FRAME.randomness * random * 1.0 / float(params.total_particles); + } + + restart_phase *= (1.0 - FRAME.explosiveness); + + if (FRAME.system_phase > FRAME.prev_system_phase) { + // restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed + + if (restart_phase >= FRAME.prev_system_phase && restart_phase < FRAME.system_phase) { + restart = true; + if (params.use_fractional_delta) { + local_delta = (FRAME.system_phase - restart_phase) * params.lifetime; + } + } + + } else if (FRAME.delta > 0.0) { + if (restart_phase >= FRAME.prev_system_phase) { + restart = true; + if (params.use_fractional_delta) { + local_delta = (1.0 - restart_phase + FRAME.system_phase) * params.lifetime; + } + + } else if (restart_phase < FRAME.system_phase) { + restart = true; + if (params.use_fractional_delta) { + local_delta = (FRAME.system_phase - restart_phase) * params.lifetime; + } + } + } + + uint current_cycle = FRAME.cycle; + + if (FRAME.system_phase < restart_phase) { + current_cycle -= uint(1); + } + + uint particle_number = current_cycle * uint(params.total_particles) + particle; + + if (restart) { + PARTICLE.is_active = FRAME.emitting; + restart_position = true; + restart_rotation_scale = true; + restart_velocity = true; + restart_color = true; + restart_custom = true; + } + } + + if (restart && PARTICLE.is_active) { +#CODE : START + } + if (PARTICLE.is_active) { for (uint i = 0; i < FRAME.attractor_count; i++) { vec3 dir; @@ -430,111 +539,6 @@ void main() { } } - if (params.sub_emitter_mode) { - if (!PARTICLE.is_active) { - int src_index = atomicAdd(src_particles.particle_count, -1) - 1; - - if (src_index >= 0) { - PARTICLE.is_active = true; - restart = true; - - if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_POSITION)) { - PARTICLE.xform[3] = src_particles.data[src_index].xform[3]; - } else { - PARTICLE.xform[3] = vec4(0, 0, 0, 1); - restart_position = true; - } - if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_ROTATION_SCALE)) { - PARTICLE.xform[0] = src_particles.data[src_index].xform[0]; - PARTICLE.xform[1] = src_particles.data[src_index].xform[1]; - PARTICLE.xform[2] = src_particles.data[src_index].xform[2]; - } else { - PARTICLE.xform[0] = vec4(1, 0, 0, 0); - PARTICLE.xform[1] = vec4(0, 1, 0, 0); - PARTICLE.xform[2] = vec4(0, 0, 1, 0); - restart_rotation_scale = true; - } - if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_VELOCITY)) { - PARTICLE.velocity = src_particles.data[src_index].velocity; - } else { - PARTICLE.velocity = vec3(0); - restart_velocity = true; - } - if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_COLOR)) { - PARTICLE.color = src_particles.data[src_index].color; - } else { - PARTICLE.color = vec4(1); - restart_color = true; - } - - if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_CUSTOM)) { - PARTICLE.custom = src_particles.data[src_index].custom; - } else { - PARTICLE.custom = vec4(0); - restart_custom = true; - } - } - } - - } else if (FRAME.emitting) { - float restart_phase = float(index) / float(params.total_particles); - - if (FRAME.randomness > 0.0) { - uint seed = FRAME.cycle; - if (restart_phase >= FRAME.system_phase) { - seed -= uint(1); - } - seed *= uint(params.total_particles); - seed += uint(index); - float random = float(hash(seed) % uint(65536)) / 65536.0; - restart_phase += FRAME.randomness * random * 1.0 / float(params.total_particles); - } - - restart_phase *= (1.0 - FRAME.explosiveness); - - if (FRAME.system_phase > FRAME.prev_system_phase) { - // restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed - - if (restart_phase >= FRAME.prev_system_phase && restart_phase < FRAME.system_phase) { - restart = true; - if (params.use_fractional_delta) { - local_delta = (FRAME.system_phase - restart_phase) * params.lifetime; - } - } - - } else if (FRAME.delta > 0.0) { - if (restart_phase >= FRAME.prev_system_phase) { - restart = true; - if (params.use_fractional_delta) { - local_delta = (1.0 - restart_phase + FRAME.system_phase) * params.lifetime; - } - - } else if (restart_phase < FRAME.system_phase) { - restart = true; - if (params.use_fractional_delta) { - local_delta = (FRAME.system_phase - restart_phase) * params.lifetime; - } - } - } - - uint current_cycle = FRAME.cycle; - - if (FRAME.system_phase < restart_phase) { - current_cycle -= uint(1); - } - - uint particle_number = current_cycle * uint(params.total_particles) + particle; - - if (restart) { - PARTICLE.is_active = FRAME.emitting; - restart_position = true; - restart_rotation_scale = true; - restart_velocity = true; - restart_color = true; - restart_custom = true; - } - } - if (PARTICLE.is_active) { #CODE : PROCESS } diff --git a/servers/rendering/shader_types.cpp b/servers/rendering/shader_types.cpp index f5f7e2e53d..460fd5fc97 100644 --- a/servers/rendering/shader_types.cpp +++ b/servers/rendering/shader_types.cpp @@ -316,6 +316,27 @@ ShaderTypes::ShaderTypes() { /************ PARTICLES **************************/ shader_modes[RS::SHADER_PARTICLES].functions["global"].built_ins["TIME"] = constt(ShaderLanguage::TYPE_FLOAT); + + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["COLOR"] = ShaderLanguage::TYPE_VEC4; + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["VELOCITY"] = ShaderLanguage::TYPE_VEC3; + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["MASS"] = ShaderLanguage::TYPE_FLOAT; + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["ACTIVE"] = ShaderLanguage::TYPE_BOOL; + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART"] = constt(ShaderLanguage::TYPE_BOOL); + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["CUSTOM"] = ShaderLanguage::TYPE_VEC4; + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["TRANSFORM"] = ShaderLanguage::TYPE_MAT4; + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["LIFETIME"] = constt(ShaderLanguage::TYPE_FLOAT); + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["DELTA"] = constt(ShaderLanguage::TYPE_FLOAT); + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["NUMBER"] = constt(ShaderLanguage::TYPE_UINT); + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["INDEX"] = constt(ShaderLanguage::TYPE_INT); + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["EMISSION_TRANSFORM"] = constt(ShaderLanguage::TYPE_MAT4); + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RANDOM_SEED"] = constt(ShaderLanguage::TYPE_UINT); + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART_POSITION"] = constt(ShaderLanguage::TYPE_BOOL); + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART_ROT_SCALE"] = constt(ShaderLanguage::TYPE_BOOL); + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART_VELOCITY"] = constt(ShaderLanguage::TYPE_BOOL); + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART_COLOR"] = constt(ShaderLanguage::TYPE_BOOL); + shader_modes[RS::SHADER_PARTICLES].functions["start"].built_ins["RESTART_CUSTOM"] = constt(ShaderLanguage::TYPE_BOOL); + shader_modes[RS::SHADER_PARTICLES].functions["start"].main_function = true; + shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["COLOR"] = ShaderLanguage::TYPE_VEC4; shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["VELOCITY"] = ShaderLanguage::TYPE_VEC3; shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["MASS"] = ShaderLanguage::TYPE_FLOAT; @@ -334,11 +355,6 @@ ShaderTypes::ShaderTypes() { shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["FLAG_EMIT_VELOCITY"] = constt(ShaderLanguage::TYPE_UINT); shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["FLAG_EMIT_COLOR"] = constt(ShaderLanguage::TYPE_UINT); shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["FLAG_EMIT_CUSTOM"] = constt(ShaderLanguage::TYPE_UINT); - shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["RESTART_POSITION"] = constt(ShaderLanguage::TYPE_BOOL); - shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["RESTART_ROT_SCALE"] = constt(ShaderLanguage::TYPE_BOOL); - shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["RESTART_VELOCITY"] = constt(ShaderLanguage::TYPE_BOOL); - shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["RESTART_COLOR"] = constt(ShaderLanguage::TYPE_BOOL); - shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["RESTART_CUSTOM"] = constt(ShaderLanguage::TYPE_BOOL); shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["COLLIDED"] = constt(ShaderLanguage::TYPE_BOOL); shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["COLLISION_NORMAL"] = constt(ShaderLanguage::TYPE_VEC3); shader_modes[RS::SHADER_PARTICLES].functions["process"].built_ins["COLLISION_DEPTH"] = constt(ShaderLanguage::TYPE_FLOAT); |