38 lines
925 B
V Shell
38 lines
925 B
V Shell
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#version 460
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uniform vec3 position[2];
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uniform vec2 width;
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out float depth;
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void main(){
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vec2 direction = normalize(position[1].xy - position[0].xy);
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vec2 leftdir = vec2(direction.y,-direction.x);
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vec2 rightdir = vec2(-direction.y,direction.x);
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switch(gl_VertexID){
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case 0:
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gl_Position = vec4(position[0].xy + leftdir * width, 0.0f, 1.0f);
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depth = position[0].z;
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break;
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case 1:
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case 3:
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gl_Position = vec4(position[0].xy + rightdir * width, 0.0f, 1.0f);
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depth = position[0].z;
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break;
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case 2:
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case 5:
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gl_Position = vec4(position[1].xy + leftdir * width, 0.0f, 1.0f);
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depth = position[1].z;
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break;
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case 4:
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gl_Position = vec4(position[1].xy + rightdir * width, 0.0f, 1.0f);
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depth = position[1].z;
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break;
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}
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}
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