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27 lines
757 B
GLSL
27 lines
757 B
GLSL
attribute vec3 a_position;
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attribute vec4 a_normal;
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attribute vec4 a_color;
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uniform mat4 u_modelView;
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uniform mat4 u_projection;
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uniform mat4 u_pivotTransform;
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uniform float u_lineHalfWidth;
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varying vec4 v_color;
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void main()
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{
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vec2 normal = a_normal.xy;
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vec2 transformedAxisPos = (vec4(a_position.xy, 0.0, 1.0) * u_modelView).xy;
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if (dot(normal, normal) != 0.0)
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{
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vec2 norm = normal * u_lineHalfWidth;
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transformedAxisPos = calcLineTransformedAxisPos(transformedAxisPos, a_position.xy + norm,
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u_modelView, length(norm));
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}
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v_color = a_color;
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vec4 pos = vec4(transformedAxisPos, a_position.z, 1.0) * u_projection;
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gl_Position = applyPivotTransform(pos, u_pivotTransform, 0.0);
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}
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