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removed 2nd particle collision velocity calculation #65714

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merged 1 commit into from
Oct 12, 2022
Merged

removed 2nd particle collision velocity calculation #65714

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22 changes: 7 additions & 15 deletions scene/resources/particle_process_material.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -830,6 +830,13 @@ void ParticleProcessMaterial::_update_shader() {
code += " TRANSFORM[3].z = 0.0;\n";
}

// scale by scale
code += " float base_scale = mix(scale_min, scale_max, scale_rand);\n";
code += " base_scale = sign(base_scale) * max(abs(base_scale), 0.001);\n";
code += " TRANSFORM[0].xyz *= base_scale * sign(tex_scale.r) * max(abs(tex_scale.r), 0.001);\n";
code += " TRANSFORM[1].xyz *= base_scale * sign(tex_scale.g) * max(abs(tex_scale.g), 0.001);\n";
code += " TRANSFORM[2].xyz *= base_scale * sign(tex_scale.b) * max(abs(tex_scale.b), 0.001);\n";

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if (collision_mode == COLLISION_RIGID) {
code += " if (COLLIDED) {\n";
code += " if (length(VELOCITY) > 3.0) {\n";
Expand All @@ -844,21 +851,6 @@ void ParticleProcessMaterial::_update_shader() {
}
code += " }\n";
code += " }\n";
}

// scale by scale
code += " float base_scale = mix(scale_min, scale_max, scale_rand);\n";
code += " base_scale = sign(base_scale) * max(abs(base_scale), 0.001);\n";
code += " TRANSFORM[0].xyz *= base_scale * sign(tex_scale.r) * max(abs(tex_scale.r), 0.001);\n";
code += " TRANSFORM[1].xyz *= base_scale * sign(tex_scale.g) * max(abs(tex_scale.g), 0.001);\n";
code += " TRANSFORM[2].xyz *= base_scale * sign(tex_scale.b) * max(abs(tex_scale.b), 0.001);\n";

if (collision_mode == COLLISION_RIGID) {
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";
} else if (collision_mode == COLLISION_HIDE_ON_CONTACT) {
code += " if (COLLIDED) {\n";
code += " ACTIVE = false;\n";
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