16 lines
423 B
GLSL
16 lines
423 B
GLSL
varying vec2 texCoord[5];
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void main()
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{
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vec2 inPos = sign(gl_Vertex.xy);
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gl_Position = vec4(inPos.xy, 0.0, 1.0);
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texCoord[0] = (vec2(inPos.x, -inPos.y) + 1.0)/2.0;
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const float size = 0.01;
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texCoord[1] = texCoord[0] + vec2(0.0, 1.0)*size;
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texCoord[2] = texCoord[0] + vec2(0.0, 2.0)*size;
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texCoord[3] = texCoord[0] + vec2(0.0, -1.0)*size;
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texCoord[4] = texCoord[0] + vec2(0.0, -2.0)*size;
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}
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