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20 lines
478 B
20 lines
478 B
10 years ago
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layout (points) in;
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layout (line_strip) out;
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layout (max_vertices = 11) out;
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uniform mat4 g_WorldViewProjectionMatrix;
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const float PI = 3.1415926;
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void main(){
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for (int i = 0; i <= 10; i++) {
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float ang = PI * 2.0 / 10.0 * i;
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vec4 offset = vec4(cos(ang) * 5, -sin(ang) * 5, 0.0, 0.0);
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gl_Position = g_WorldViewProjectionMatrix*vec4(gl_in[0].gl_Position.xyz + offset.xyz,1.0);
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EmitVertex();
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}
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EndPrimitive();
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}
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