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e3e4a1985a
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33 lines
1.1 KiB
GLSL
33 lines
1.1 KiB
GLSL
attribute vec3 a_position;
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attribute vec3 a_normal;
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attribute vec2 a_colorTexCoord;
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attribute vec4 a_maskTexCoord;
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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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varying vec2 v_colorTexCoord;
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varying vec2 v_maskTexCoord;
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//varying vec2 v_halfLength;
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void main()
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{
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vec2 normal = a_normal.xy;
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float halfWidth = length(normal);
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vec2 transformedAxisPos = (vec4(a_position.xy, 0.0, 1.0) * u_modelView).xy;
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if (halfWidth != 0.0)
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{
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transformedAxisPos = calcLineTransformedAxisPos(transformedAxisPos, a_position.xy + normal,
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u_modelView, halfWidth);
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}
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float uOffset = min(length(vec4(kShapeCoordScalar, 0, 0, 0) * u_modelView) * a_maskTexCoord.x, 1.0);
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v_colorTexCoord = a_colorTexCoord;
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v_maskTexCoord = vec2(a_maskTexCoord.y + uOffset * a_maskTexCoord.z, a_maskTexCoord.w);
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//v_halfLength = vec2(sign(a_normal.z) * halfWidth, abs(a_normal.z));
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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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