Graphic tweaks/cleanup

shader/lighting/cloud.frag

@@ -1,13 +1,13 @@
 #version 450 core
 layout(early_fragment_tests) in;
 layout (std140, binding = 1) uniform TheLight { vec4 lightPos; vec4 lumRad; };
-layout (binding = 0) uniform sampler2D screenTexture;
+layout (binding = 0) uniform sampler2D posTexture;
 layout (binding = 1) uniform sampler2D normals;
 in vec2 vTexPos;
 out vec4 fColor;
 float rad = lumRad.a;
 void main() {
-  vec3 pos = texture(screenTexture, vTexPos).xyz;
+  vec3 pos = texture(posTexture, vTexPos).xyz;
   vec3 distVec = pos - lightPos.xyz;
   float dist = dot(distVec, distVec);
   vec3 norm = texture(normals, vTexPos).xyz;

shader/lighting/texture.frag

@@ -1,13 +1,13 @@
 #version 450 core
 layout(early_fragment_tests) in;
 layout (std140, binding = 1) uniform TheLight { vec4 lightPos; vec4 lumRad; };
-layout (binding = 0) uniform sampler2D screenTexture;
+layout (binding = 0) uniform sampler2D posTexture;
 layout (binding = 1) uniform sampler2D normals;
 in vec2 vTexPos;
 out vec4 fColor;
 float rad = lumRad.a;
 void main() {
-  vec3 pos = texture(screenTexture, vTexPos).xyz;
+  vec3 pos = texture(posTexture, vTexPos).xyz;
   vec3 distVec = pos - lightPos.xyz;
   float dist = dot(distVec, distVec);
 //  float dist = dot(distVec.xy, distVec.xy);

shader/texture2D/alphaDivide.vert

@@ -1,5 +1,5 @@
 #version 450 core
-layout (std140, binding = 2) uniform PosTex { vec4 posTex[6]; };
+layout (std140, binding = 2) uniform PosTex { vec4 posTex[3]; };
 out vec2 vTexPos;
 void main() {
   gl_Position = vec4(posTex[gl_VertexID].xy,0,1);