//This file is automatically rebuilt by the Cesium build process.
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export default "uniform vec4 color;\n\
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uniform vec4 gapColor;\n\
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uniform float dashLength;\n\
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uniform float dashPattern;\n\
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varying float v_polylineAngle;\n\
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\n\
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const float maskLength = 16.0;\n\
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\n\
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mat2 rotate(float rad) {\n\
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float c = cos(rad);\n\
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float s = sin(rad);\n\
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return mat2(\n\
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c, s,\n\
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-s, c\n\
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);\n\
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}\n\
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\n\
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czm_material czm_getMaterial(czm_materialInput materialInput)\n\
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{\n\
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czm_material material = czm_getDefaultMaterial(materialInput);\n\
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\n\
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vec2 pos = rotate(v_polylineAngle) * gl_FragCoord.xy;\n\
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\n\
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// Get the relative position within the dash from 0 to 1\n\
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float dashPosition = fract(pos.x / (dashLength * czm_pixelRatio));\n\
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// Figure out the mask index.\n\
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float maskIndex = floor(dashPosition * maskLength);\n\
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// Test the bit mask.\n\
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float maskTest = floor(dashPattern / pow(2.0, maskIndex));\n\
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vec4 fragColor = (mod(maskTest, 2.0) < 1.0) ? gapColor : color;\n\
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if (fragColor.a < 0.005) { // matches 0/255 and 1/255\n\
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discard;\n\
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}\n\
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\n\
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fragColor = czm_gammaCorrect(fragColor);\n\
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material.emission = fragColor.rgb;\n\
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material.alpha = fragColor.a;\n\
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return material;\n\
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}\n\
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";
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