Work on geometry shader based shadows

shader/shadow/light.frag

@@ -8,14 +8,15 @@ uniform int lightID;
 vec3 lightPos = posBool[lightID].xyz;
 vec4 lumRad = colRad[lightID];
 uniform sampler2D screenTexture;
-in vec2 vTexPos;
+in vec2 gTexPos;
 out vec4 fColor;
 void main()
 {
-    vec3 distVec = texture(screenTexture,vTexPos).xyz - lightPos;
+    vec3 distVec = texture(screenTexture,gTexPos).xyz - lightPos;
     float dist = dot(distVec,distVec);
     if (dist > lumRad.a) {discard;}
     float x = 1 - dist / lumRad.a ;
     vec3 c = (x * x * x) * lumRad.rgb ;
-    fColor = vec4(c,0);
+    //fColor = vec4(c,0);
+    fColor = vec4(1,0,0,0);
 }