Rename fadeCircle shaders to lightmapCircle

shader/lightmapCircle.frag

@@ -0,0 +1,12 @@
+#version 430 core
+in vec2 cenPosT;
+in vec2 gParams;
+out vec4 fColor;
+
+void main()
+{
+  vec2 pos = gl_FragCoord.xy;
+  float dist = min(1 , 2*distance(pos,cenPosT) / (gParams.x));
+  float c = gParams.y * pow(1-dist,2);
+  fColor = vec4( c,c,c ,c  );
+}

shader/lightmapCircle.geom

@@ -0,0 +1,29 @@
+#version 430 core
+layout (points) in;
+layout (triangle_strip, max_vertices = 4) out;
+in vec2 vParams [];
+out vec2 gParams;
+out vec2 cenPosT;
+
+uniform vec2 winSize;
+uniform float zoom;
+
+void main()
+{
+  vec3 cenPos = gl_in[0].gl_Position.xyz;
+  gParams = vec2( vParams[0].x * zoom * 2, vParams[0].y);
+  float gRad = gParams.x;
+
+  cenPosT = vec2 ( (cenPos.x + 1) * 0.5 * winSize.x , (cenPos.y + 1) * 0.5 * winSize.y);
+
+  gl_Position = vec4 (cenPos.x + gRad/winSize.x, cenPos.y + gRad/winSize.y, 0.9 , 1);
+  EmitVertex();
+  gl_Position = vec4 (cenPos.x - gRad/winSize.x, cenPos.y + gRad/winSize.y, 0.9 , 1);
+  EmitVertex();
+  gl_Position = vec4 (cenPos.x + gRad/winSize.x, cenPos.y - gRad/winSize.y, 0.9 , 1);
+  EmitVertex();
+  gl_Position = vec4 (cenPos.x - gRad/winSize.x, cenPos.y - gRad/winSize.y, 0.9 , 1);
+  EmitVertex();
+
+  EndPrimitive();
+}

shader/lightmapCircle.vert

@@ -0,0 +1,15 @@
+#version 430 core
+layout (location = 0) in vec4 position;
+out vec2 vParams;
+
+uniform vec2 winSize;
+uniform float zoom;
+uniform vec2 translation;
+uniform float rotation;
+uniform mat4 worldMat;
+
+void main()
+{
+  gl_Position = vec4(position.xy,0,1);
+  vParams = position.zw;
+}