Work on transparency of windows/clouds

2025-11-20 12:02:05 +00:00
parent 10dbb238c8
commit 6563d87247
7 changed files with 49 additions and 37 deletions
@@ -1,11 +1,14 @@
 #version 450 core
-layout (location=0) out vec4 fCol;
-layout (location=1) out vec4 fPos;
+layout (location=0) out vec4 fColOverCloud;
+layout (location=1) out vec4 fColUnderCloud;
 layout(binding = 3) uniform sampler2D cloudpos;
 in vec4 vCol;
 in vec4 vPos;
+in vec2 vScreenPos;
 void main()
 {
-  fCol = vCol;
-  fPos = vPos;
+  float cloudz = texture(cloudpos, vScreenPos).z;
+  fColOverCloud = ( cloudz > vPos.z ? vec4(0) : vCol);
+  fColUnderCloud = ( cloudz > vPos.z ? vCol : vec4(0));
+  fColUnderCloud = vec4(0);
 }