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-rw-r--r--scene/3d/particles.cpp336
-rw-r--r--scene/3d/particles.h2
2 files changed, 171 insertions, 167 deletions
diff --git a/scene/3d/particles.cpp b/scene/3d/particles.cpp
index 80c706898d..869138e6d8 100644
--- a/scene/3d/particles.cpp
+++ b/scene/3d/particles.cpp
@@ -587,298 +587,294 @@ void ParticlesMaterial::_update_shader() {
//need a random function
code += "\n\n";
code += "float rand_from_seed(inout uint seed) {\n";
- code += " int k;\n";
- code += " int s = int(seed);\n";
- code += " if (s == 0)\n";
+ code += " int k;\n";
+ code += " int s = int(seed);\n";
+ code += " if (s == 0)\n";
code += " s = 305420679;\n";
- code += " k = s / 127773;\n";
- code += " s = 16807 * (s - k * 127773) - 2836 * k;\n";
- code += " if (s < 0)\n";
- code += " s += 2147483647;\n";
- code += " seed = uint(s);\n";
- code += " return float(seed % uint(65536))/65535.0;\n";
+ code += " k = s / 127773;\n";
+ code += " s = 16807 * (s - k * 127773) - 2836 * k;\n";
+ code += " if (s < 0)\n";
+ code += " s += 2147483647;\n";
+ code += " seed = uint(s);\n";
+ code += " return float(seed % uint(65536))/65535.0;\n";
code += "}\n";
+ code += "\n";
+
//improve seed quality
code += "uint hash(uint x) {\n";
- code += " x = ((x >> uint(16)) ^ x) * uint(73244475);\n";
- code += " x = ((x >> uint(16)) ^ x) * uint(73244475);\n";
- code += " x = (x >> uint(16)) ^ x;\n";
- code += " return x;\n";
+ code += " x = ((x >> uint(16)) ^ x) * uint(73244475);\n";
+ code += " x = ((x >> uint(16)) ^ x) * uint(73244475);\n";
+ code += " x = (x >> uint(16)) ^ x;\n";
+ code += " return x;\n";
code += "}\n";
- code += "void vertex() {\n\n";
code += "\n";
- code += " uint base_number=NUMBER/uint(trail_divisor);\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 += "\n";
- code += "\n";
- code += "\n";
+ code += "void vertex() {\n";
+ code += " uint base_number = NUMBER/uint(trail_divisor);\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 += "\n";
+
if (emission_shape >= EMISSION_SHAPE_POINTS) {
- code += " int point = min(emission_texture_point_count-1,int(rand_from_seed(alt_seed) * float(emission_texture_point_count)));\n";
- 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 += " int point = min(emission_texture_point_count-1,int(rand_from_seed(alt_seed) * float(emission_texture_point_count)));\n";
+ 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 += " if (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";
+ 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 (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";
if (flags[FLAG_DISABLE_Z]) {
- code += " float angle1 = (rand_from_seed(alt_seed)*2.0-1.0)*spread/180.0*3.1416;\n";
- code += " vec3 rot=vec3( cos(angle1), sin(angle1),0.0 );\n";
- code += " VELOCITY=(rot*initial_linear_velocity+rot*initial_linear_velocity_random*rand_from_seed(alt_seed));\n";
+ code += " float angle1 = (rand_from_seed(alt_seed)*2.0-1.0)*spread/180.0*3.1416;\n";
+ code += " vec3 rot = vec3( cos(angle1), sin(angle1),0.0 );\n";
+ code += " VELOCITY = (rot*initial_linear_velocity+rot*initial_linear_velocity_random*rand_from_seed(alt_seed));\n";
} else {
//initiate velocity spread in 3D
- code += " float angle1 = rand_from_seed(alt_seed)*spread*3.1416;\n";
- code += " float angle2 = rand_from_seed(alt_seed)*20.0*3.1416; // make it more random like\n";
- code += " vec3 rot_xz=vec3( sin(angle1), 0.0, cos(angle1) );\n";
- code += " vec3 rot = vec3( cos(angle2)*rot_xz.x,sin(angle2)*rot_xz.x, rot_xz.z);\n";
- code += " VELOCITY=(rot*initial_linear_velocity+rot*initial_linear_velocity_random*rand_from_seed(alt_seed));\n";
+ code += " float angle1 = rand_from_seed(alt_seed)*spread*3.1416;\n";
+ code += " float angle2 = rand_from_seed(alt_seed)*20.0*3.1416; // make it more random like\n";
+ code += " vec3 rot_xz = vec3( sin(angle1), 0.0, cos(angle1) );\n";
+ code += " vec3 rot = vec3( cos(angle2)*rot_xz.x,sin(angle2)*rot_xz.x, rot_xz.z);\n";
+ code += " VELOCITY = (rot*initial_linear_velocity+rot*initial_linear_velocity_random*rand_from_seed(alt_seed));\n";
}
- code += " float base_angle=(initial_angle+tex_angle)*mix(1.0,angle_rand,initial_angle_random);\n";
- code += " CUSTOM.x=base_angle*3.1416/180.0;\n"; //angle
- code += " CUSTOM.y=0.0;\n"; //phase
- 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*3.1416/180.0;\n"; //angle
+ code += " CUSTOM.y = 0.0;\n"; //phase
+ 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) {
case EMISSION_SHAPE_POINT: {
//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 += " 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";
} 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 += " 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, 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, 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";
}
}
} break;
}
- code += " VELOCITY = (EMISSION_TRANSFORM * vec4(VELOCITY,0.0)).xyz;\n";
- code += " TRANSFORM = EMISSION_TRANSFORM * TRANSFORM;\n";
+ code += " 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 += " } else {\n";
+ code += " } else {\n";
- code += " CUSTOM.y+=DELTA/LIFETIME;\n";
+ code += " CUSTOM.y += DELTA/LIFETIME;\n";
if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid())
- code += " float tex_linear_velocity = textureLod(linear_velocity_texture,vec2(CUSTOM.y,0.0),0.0).r;\n";
+ code += " float tex_linear_velocity = textureLod(linear_velocity_texture,vec2(CUSTOM.y,0.0),0.0).r;\n";
else
- code += " float tex_linear_velocity = 0.0;\n";
+ code += " float tex_linear_velocity = 0.0;\n";
if (tex_parameters[PARAM_ORBIT_VELOCITY].is_valid())
- code += " float tex_orbit_velocity = textureLod(orbit_velocity_texture,vec2(CUSTOM.y,0.0),0.0).r;\n";
+ code += " float tex_orbit_velocity = textureLod(orbit_velocity_texture,vec2(CUSTOM.y,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(CUSTOM.y,0.0),0.0).r;\n";
+ code += " float tex_angular_velocity = textureLod(angular_velocity_texture,vec2(CUSTOM.y,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(CUSTOM.y,0.0),0.0).r;\n";
+ code += " float tex_linear_accel = textureLod(linear_accel_texture,vec2(CUSTOM.y,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(CUSTOM.y,0.0),0.0).r;\n";
+ code += " float tex_radial_accel = textureLod(radial_accel_texture,vec2(CUSTOM.y,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(CUSTOM.y,0.0),0.0).r;\n";
+ code += " float tex_tangent_accel = textureLod(tangent_accel_texture,vec2(CUSTOM.y,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(CUSTOM.y,0.0),0.0).r;\n";
+ code += " float tex_damping = textureLod(damping_texture,vec2(CUSTOM.y,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(CUSTOM.y,0.0),0.0).r;\n";
+ code += " float tex_angle = textureLod(angle_texture,vec2(CUSTOM.y,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(CUSTOM.y,0.0),0.0).r;\n";
+ code += " float tex_anim_speed = textureLod(anim_speed_texture,vec2(CUSTOM.y,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(CUSTOM.y,0.0),0.0).r;\n";
+ code += " float tex_anim_offset = textureLod(anim_offset_texture,vec2(CUSTOM.y,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 (flags[FLAG_DISABLE_Z]) {
- code += " pos.z=0.0; \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 = vec3(0.0);\n";
- code += " // if (!p_system->local_coordinates)\n";
- code += " //org=p_transform.origin;\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 += " //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 = vec3(0.0);\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 (flags[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),radial_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),radial_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),radial_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),radial_accel_random)) : vec3(0.0);\n";
}
- code += " //apply attractor forces\n";
- code += " VELOCITY+=force * DELTA;\n";
+ code += " //apply attractor forces\n";
+ code += " VELOCITY += force * DELTA;\n";
if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) {
- code += " VELOCITY=normalize(VELOCITY)*tex_linear_velocity;\n";
+ code += " VELOCITY = normalize(VELOCITY)*tex_linear_velocity;\n";
}
- code += " if (damping+tex_damping>0.0) {\n";
- code += " \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 += " }\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*3.1416/180.0;\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 += " if (damping + tex_damping > 0.0) {\n";
+ code += " \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 += " }\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*3.1416/180.0;\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
if (flags[FLAG_ANIM_LOOP]) {
- code += " CUSTOM.z=mod(CUSTOM.z,1.0);\n"; //loop
+ code += " CUSTOM.z = mod(CUSTOM.z,1.0);\n"; //loop
} else {
- code += " CUSTOM.z=clamp(CUSTOM.z,0.0,1.0);\n"; //0 to 1 only
+ code += " CUSTOM.z = clamp(CUSTOM.z,0.0,1.0);\n"; //0 to 1 only
}
- code += " }\n";
+ code += " }\n";
//apply color
//apply hue rotation
if (tex_parameters[PARAM_SCALE].is_valid())
- code += " float tex_scale = textureLod(scale_texture,vec2(CUSTOM.y,0.0),0.0).r;\n";
+ code += " float tex_scale = textureLod(scale_texture,vec2(CUSTOM.y,0.0),0.0).r;\n";
else
- code += " float tex_scale = 1.0;\n";
+ code += " float tex_scale = 1.0;\n";
if (tex_parameters[PARAM_HUE_VARIATION].is_valid())
- code += " float tex_hue_variation = textureLod(hue_variation_texture,vec2(CUSTOM.y,0.0),0.0).r;\n";
+ code += " float tex_hue_variation = textureLod(hue_variation_texture,vec2(CUSTOM.y,0.0),0.0).r;\n";
else
- code += " float tex_hue_variation = 0.0;\n";
-
- code += " float hue_rot_angle = (hue_variation+tex_hue_variation)*3.1416*2.0*mix(1.0,hue_rot_rand*2.0-1.0,hue_variation_random);\n";
- code += " float hue_rot_c = cos(hue_rot_angle);\n";
- code += " float hue_rot_s = sin(hue_rot_angle);\n";
- code += " mat4 hue_rot_mat = mat4( vec4(0.299, 0.587, 0.114, 0.0),\n";
- code += " vec4(0.299, 0.587, 0.114, 0.0),\n";
- code += " vec4(0.299, 0.587, 0.114, 0.0),\n";
- code += " vec4(0.000, 0.000, 0.000, 1.0)) +\n";
- code += " \n";
- code += " mat4( vec4(0.701, -0.587, -0.114, 0.0),\n";
- code += " vec4(-0.299, 0.413, -0.114, 0.0),\n";
- code += " vec4(-0.300, -0.588, 0.886, 0.0),\n";
- code += " vec4(0.000, 0.000, 0.000, 0.0)) * hue_rot_c +\n";
- code += "\n";
- code += " mat4( vec4(0.168, 0.330, -0.497, 0.0),\n";
- code += " vec4(-0.328, 0.035, 0.292, 0.0),\n";
- code += " vec4(1.250, -1.050, -0.203, 0.0),\n";
- code += " vec4(0.000, 0.000, 0.000, 0.0)) * hue_rot_s;\n";
+ code += " float tex_hue_variation = 0.0;\n";
+
+ code += " float hue_rot_angle = (hue_variation+tex_hue_variation)*3.1416*2.0*mix(1.0,hue_rot_rand*2.0-1.0,hue_variation_random);\n";
+ code += " float hue_rot_c = cos(hue_rot_angle);\n";
+ code += " float hue_rot_s = sin(hue_rot_angle);\n";
+ code += " mat4 hue_rot_mat = mat4( vec4(0.299, 0.587, 0.114, 0.0),\n";
+ code += " vec4(0.299, 0.587, 0.114, 0.0),\n";
+ code += " vec4(0.299, 0.587, 0.114, 0.0),\n";
+ code += " vec4(0.000, 0.000, 0.000, 1.0)) +\n";
+ code += " mat4( vec4(0.701, -0.587, -0.114, 0.0),\n";
+ code += " vec4(-0.299, 0.413, -0.114, 0.0),\n";
+ code += " vec4(-0.300, -0.588, 0.886, 0.0),\n";
+ code += " vec4(0.000, 0.000, 0.000, 0.0)) * hue_rot_c +\n";
+ code += " mat4( vec4(0.168, 0.330, -0.497, 0.0),\n";
+ code += " vec4(-0.328, 0.035, 0.292, 0.0),\n";
+ code += " vec4(1.250, -1.050, -0.203, 0.0),\n";
+ code += " vec4(0.000, 0.000, 0.000, 0.0)) * hue_rot_s;\n";
if (color_ramp.is_valid()) {
- code += " COLOR = textureLod(color_ramp,vec2(CUSTOM.y,0.0),0.0) * hue_rot_mat;\n";
+ code += " COLOR = textureLod(color_ramp,vec2(CUSTOM.y,0.0),0.0) * hue_rot_mat;\n";
} else {
- code += " COLOR = color_value * hue_rot_mat;\n";
+ code += " COLOR = color_value * hue_rot_mat;\n";
}
if (emission_color_texture.is_valid() && emission_shape >= EMISSION_SHAPE_POINTS) {
- code += " COLOR*= texelFetch(emission_texture_color,emission_tex_ofs,0);\n";
+ code += " COLOR*= texelFetch(emission_texture_color,emission_tex_ofs,0);\n";
}
if (trail_color_modifier.is_valid()) {
- code += "if (trail_divisor>1) { COLOR*=textureLod(trail_color_modifier,vec2(float(int(NUMBER)%trail_divisor)/float(trail_divisor-1),0.0),0.0); }\n";
+ code += " if (trail_divisor > 1) { COLOR *= textureLod(trail_color_modifier,vec2(float(int(NUMBER)%trail_divisor)/float(trail_divisor-1),0.0),0.0); }\n";
}
code += "\n";
if (flags[FLAG_DISABLE_Z]) {
- code += " TRANSFORM[0]=vec4(cos(CUSTOM.x),-sin(CUSTOM.x),0.0,0.0);\n";
- code += " TRANSFORM[1]=vec4(sin(CUSTOM.x),cos(CUSTOM.x),0.0,0.0);\n";
- code += " TRANSFORM[2]=vec4(0.0,0.0,1.0,0.0);\n";
+ code += " TRANSFORM[0] = vec4(cos(CUSTOM.x),-sin(CUSTOM.x),0.0,0.0);\n";
+ code += " TRANSFORM[1] = vec4(sin(CUSTOM.x),cos(CUSTOM.x),0.0,0.0);\n";
+ code += " TRANSFORM[2] = vec4(0.0,0.0,1.0,0.0);\n";
} else {
//orient particle Y towards velocity
if (flags[FLAG_ALIGN_Y_TO_VELOCITY]) {
- code += " if (length(VELOCITY)>0.0) {TRANSFORM[1].xyz=normalize(VELOCITY);} else {TRANSFORM[1].xyz=normalize(TRANSFORM[1].xyz);}\n";
- code += " if (TRANSFORM[1].xyz==normalize(TRANSFORM[0].xyz)) {\n";
- code += "\tTRANSFORM[0].xyz=normalize(cross(normalize(TRANSFORM[1].xyz),normalize(TRANSFORM[2].xyz)));\n";
- code += "\tTRANSFORM[2].xyz=normalize(cross(normalize(TRANSFORM[0].xyz),normalize(TRANSFORM[1].xyz)));\n";
- code += " } else {\n";
- code += "\tTRANSFORM[2].xyz=normalize(cross(normalize(TRANSFORM[0].xyz),normalize(TRANSFORM[1].xyz)));\n";
- code += "\tTRANSFORM[0].xyz=normalize(cross(normalize(TRANSFORM[1].xyz),normalize(TRANSFORM[2].xyz)));\n";
- code += " }\n";
+ code += " if (length(VELOCITY) > 0.0) { TRANSFORM[1].xyz = normalize(VELOCITY); } else { TRANSFORM[1].xyz = normalize(TRANSFORM[1].xyz); }\n";
+ code += " if (TRANSFORM[1].xyz == normalize(TRANSFORM[0].xyz)) {\n";
+ code += " TRANSFORM[0].xyz = normalize(cross(normalize(TRANSFORM[1].xyz),normalize(TRANSFORM[2].xyz)));\n";
+ code += " TRANSFORM[2].xyz = normalize(cross(normalize(TRANSFORM[0].xyz),normalize(TRANSFORM[1].xyz)));\n";
+ code += " } else {\n";
+ code += " TRANSFORM[2].xyz = normalize(cross(normalize(TRANSFORM[0].xyz),normalize(TRANSFORM[1].xyz)));\n";
+ code += " TRANSFORM[0].xyz = normalize(cross(normalize(TRANSFORM[1].xyz),normalize(TRANSFORM[2].xyz)));\n";
+ code += " }\n";
} else {
- code += "\tTRANSFORM[0].xyz=normalize(TRANSFORM[0].xyz);\n";
- code += "\tTRANSFORM[1].xyz=normalize(TRANSFORM[1].xyz);\n";
- code += "\tTRANSFORM[2].xyz=normalize(TRANSFORM[2].xyz);\n";
+ code += " TRANSFORM[0].xyz = normalize(TRANSFORM[0].xyz);\n";
+ code += " TRANSFORM[1].xyz = normalize(TRANSFORM[1].xyz);\n";
+ code += " TRANSFORM[2].xyz = normalize(TRANSFORM[2].xyz);\n";
}
//turn particle by rotation in Y
if (flags[FLAG_ROTATE_Y]) {
- code += "\tTRANSFORM = TRANSFORM * mat4( vec4(cos(CUSTOM.x),0.0,-sin(CUSTOM.x),0.0), vec4(0.0,1.0,0.0,0.0),vec4(sin(CUSTOM.x),0.0,cos(CUSTOM.x),0.0),vec4(0.0,0.0,0.0,1.0));\n";
+ code += " TRANSFORM = TRANSFORM * mat4( vec4(cos(CUSTOM.x),0.0,-sin(CUSTOM.x),0.0), vec4(0.0,1.0,0.0,0.0),vec4(sin(CUSTOM.x),0.0,cos(CUSTOM.x),0.0),vec4(0.0,0.0,0.0,1.0));\n";
}
}
//scale by scale
- code += " float base_scale=mix(scale*tex_scale,1.0,scale_random*scale_rand);\n";
+ code += " float base_scale = mix(scale*tex_scale,1.0,scale_random*scale_rand);\n";
if (trail_size_modifier.is_valid()) {
- code += "if (trail_divisor>1) { base_scale*=textureLod(trail_size_modifier,vec2(float(int(NUMBER)%trail_divisor)/float(trail_divisor-1),0.0),0.0).r; } \n";
+ code += " if (trail_divisor > 1) { base_scale *= textureLod(trail_size_modifier,vec2(float(int(NUMBER)%trail_divisor)/float(trail_divisor-1),0.0),0.0).r; } \n";
}
- code += " TRANSFORM[0].xyz*=base_scale;\n";
- code += " TRANSFORM[1].xyz*=base_scale;\n";
- code += " TRANSFORM[2].xyz*=base_scale;\n";
+ code += " TRANSFORM[0].xyz *= base_scale;\n";
+ code += " TRANSFORM[1].xyz *= base_scale;\n";
+ code += " TRANSFORM[2].xyz *= base_scale;\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 += "\n";
@@ -1329,6 +1325,12 @@ Vector3 ParticlesMaterial::get_gravity() const {
return gravity;
}
+RID ParticlesMaterial::get_shader_rid() const {
+
+ ERR_FAIL_COND_V(!shader_map.has(current_key), RID());
+ return shader_map[current_key].shader;
+}
+
void ParticlesMaterial::_validate_property(PropertyInfo &property) const {
if (property.name == "color" && color_ramp.is_valid()) {
diff --git a/scene/3d/particles.h b/scene/3d/particles.h
index 2c109d6ec8..e3109f470f 100644
--- a/scene/3d/particles.h
+++ b/scene/3d/particles.h
@@ -388,6 +388,8 @@ public:
static void finish_shaders();
static void flush_changes();
+ RID get_shader_rid() const;
+
ParticlesMaterial();
~ParticlesMaterial();
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-05 03:09:30 +0000