29 lines
608 B
GLSL
29 lines
608 B
GLSL
precision mediump float;
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attribute vec2 aVertexPosition;
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uniform mat4 uModelMatrix;
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uniform mat4 uViewMatrix;
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uniform mat4 uProjectionMatrix;
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varying vec2 uv1;
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varying vec2 uv2;
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varying float blend;
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uniform vec2 uAtlasOffset1;
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uniform vec2 uAtlasOffset2;
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uniform vec2 uAtlasInfo;
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void main() {
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vec2 uv = aVertexPosition + vec2(0.5, 0.5);
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uv.y = 1.0 - uv.y;
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uv /= uAtlasInfo.x;
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uv1 = uv + uAtlasOffset1;
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uv2 = uv + uAtlasOffset2;
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blend = uAtlasInfo.y;
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vec4 worldPosition = uModelMatrix * vec4(aVertexPosition, 0.0, 1.0);
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gl_Position = uProjectionMatrix * uViewMatrix * worldPosition;
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}
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