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Fix vulkan proximity fade 

Vulkan uses different normalized device coordinates than OpenGL.
This commit is contained in:
Brian Semrau 2021-10-26 16:19:47 -04:00
parent 8c162f4a7b
commit 791773fa9d
1 changed files with 1 additions and 1 deletions
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2
scene/resources/material.cpp
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@ -1100,7 +1100,7 @@ void BaseMaterial3D::_update_shader() {
if (proximity_fade_enabled) {
code += " float depth_tex = textureLod(DEPTH_TEXTURE,SCREEN_UV,0.0).r;\n";
code += " vec4 world_pos = INV_PROJECTION_MATRIX * vec4(SCREEN_UV*2.0-1.0,depth_tex*2.0-1.0,1.0);\n";
code += " vec4 world_pos = INV_PROJECTION_MATRIX * vec4(SCREEN_UV*2.0-1.0,depth_tex,1.0);\n";
code += " world_pos.xyz/=world_pos.w;\n";
code += " ALPHA*=clamp(1.0-smoothstep(world_pos.z+proximity_fade_distance,world_pos.z,VERTEX.z),0.0,1.0);\n";
}