23 lines
470 B
Plaintext
23 lines
470 B
Plaintext
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layout(triangles) in;
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layout(line_strip, max_vertices = 6) out;
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in vec3 normal[];
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void main()
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{
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for (int i = 0; i < gl_in.length(); i++)
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{
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vec4 pos = gl_in[i].gl_Position;
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gl_Position = pos;
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EmitVertex();
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pos = inverse(u_projection_matrix) * pos;
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pos /= pos.w;
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gl_Position = u_projection_matrix *
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(pos + 0.2 * vec4(normalize(normal[i]), 0.0));
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EmitVertex();
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EndPrimitive();
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}
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}
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