2019-03-28 04:53:15 +00:00
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#version 300 es
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layout(location = 0) in vec3 vertexPosition_modelspace;
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layout(location = 1) in vec2 vertexUV;
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uniform vec4 mouse;
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2021-01-15 02:13:39 +00:00
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uniform lowp int rotate;
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2019-03-28 04:53:15 +00:00
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out highp vec2 uv;
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void main()
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{
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2021-01-15 02:13:39 +00:00
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vec2 muv = vertexPosition_modelspace.xy;
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muv.x += 1.0f;
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muv.y -= 1.0f;
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muv.x *= mouse.z;
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muv.y *= mouse.w;
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muv.x += mouse.x;
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muv.y -= mouse.y;
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if (rotate == 0) // up
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{
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gl_Position.xy = muv;
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}
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else if (rotate == 1) // down
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{
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gl_Position.x = -muv.x;
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gl_Position.y = -muv.y;
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}
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else if (rotate == 2) // left
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{
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gl_Position.x = -muv.y;
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gl_Position.y = muv.x;
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}
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else if (rotate == 3) // right
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{
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gl_Position.x = muv.y;
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gl_Position.y = -muv.x;
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}
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gl_Position.w = 1.0;
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2019-03-28 04:53:15 +00:00
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uv = vertexUV;
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}
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