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Correct projected wall shadows when there is an offset camera

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justin
2021-03-19 15:51:11 +01:00
parent 5a7be55e24
commit bd7a5c3533
6 changed files with 81 additions and 40 deletions
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shader/lightmapCircle.geom
+4 -4
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@@ -16,13 +16,13 @@ void main()
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);
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);
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);
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);
gl_Position = vec4 (cenPos.x - gRad/winSize.x, cenPos.y - gRad/winSize.y, -0.9 , 1);
EmitVertex();
EndPrimitive();