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26 lines
665 B
GLSL
26 lines
665 B
GLSL
#version 330 core
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#define DEG2RAD 0.0174532925199432957692369055556f
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layout (location = 0) in vec2 aVertex;
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layout (location = 1) in vec2 aXYOffset;
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layout (location = 2) in vec3 aTexCoord;
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layout (location = 3) in vec4 aModulate;
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layout (location = 4) in float aAngleDeg;
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uniform mat4 uMVPMatrix;
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smooth out vec3 texCoord;
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smooth out vec4 color;
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void main()
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{
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// Rotate clockwise
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float angle = aAngleDeg * DEG2RAD;
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mat2 rotate = mat2(cos(angle), -sin(angle),
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sin(angle), cos(angle));
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gl_Position = uMVPMatrix * vec4(aVertex + rotate * aXYOffset, 0.0f, 1.0f);
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texCoord = aTexCoord;
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color = aModulate;
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}
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