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-rw-r--r--scene/3d/particles.cpp8
1 files changed, 4 insertions, 4 deletions
diff --git a/scene/3d/particles.cpp b/scene/3d/particles.cpp
index 4e19214c59..6ac6e52367 100644
--- a/scene/3d/particles.cpp
+++ b/scene/3d/particles.cpp
@@ -642,7 +642,7 @@ void ParticlesMaterial::_update_shader() {
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 += " VELOCITY = rot*initial_linear_velocity*mix(1.0, rand_from_seed(alt_seed), initial_linear_velocity_random);\n";
} else {
//initiate velocity spread in 3D
@@ -650,7 +650,7 @@ void ParticlesMaterial::_update_shader() {
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 += " VELOCITY = rot*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";
@@ -761,11 +761,11 @@ void ParticlesMaterial::_update_shader() {
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),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),radial_accel_random)) : vec3(0.0);\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 += " //apply attractor forces\n";
code += " VELOCITY += force * DELTA;\n";