36 lines
722 B
GLSL
36 lines
722 B
GLSL
#version 430 core
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layout (location = 0) in vec3 position;
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layout (location = 1) in vec4 color;
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layout (location = 2) in vec4 saEaRadWdth;
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out vec4 vColor;
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out vec4 vparams;
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uniform vec2 winSize;
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uniform float zoom;
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uniform vec2 translation;
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uniform float rotation;
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vec2 tran(vec2 v)
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{
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return (v - translation);
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}
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vec2 rot(vec2 v)
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{
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return vec2 ( v.x * cos(-rotation) - v.y * sin(-rotation)
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, v.x * sin(-rotation) + v.y * cos(-rotation)
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);
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}
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vec2 scal(vec2 v)
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{
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return vec2 ( 2 * v.x * zoom / winSize.x
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, 2 * v.y * zoom / winSize.y
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);
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}
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void main()
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{
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gl_Position = vec4(scal(rot(tran(position.xy))),position.z,1);
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vColor = color;
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vparams = saEaRadWdth;
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}
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