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Merge pull request #62158 from MightiestGoat/particles-material-patch 

Adding emission_tex_ofs calculation in process()
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Rémi Verschelde 2022-06-20 00:49:52 +02:00 committed by GitHub
parent f58ff85f8f 59029f1a3f
commit ff9a66067b
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1 changed files with 6 additions and 0 deletions
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6
scene/resources/particles_material.cpp
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@ -488,6 +488,12 @@ void ParticlesMaterial::_update_shader() {
code += " float degree_to_rad = pi / 180.0;\n"; code += " float degree_to_rad = pi / 180.0;\n";
code += "\n"; code += "\n";
if (emission_shape == EMISSION_SHAPE_POINTS || emission_shape == EMISSION_SHAPE_DIRECTED_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 += " CUSTOM.y += DELTA / LIFETIME;\n"; code += " CUSTOM.y += DELTA / LIFETIME;\n";
code += " float tv = CUSTOM.y / CUSTOM.w;\n"; code += " float tv = CUSTOM.y / CUSTOM.w;\n";
if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) { if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) {