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32 lines
1.0 KiB
JavaScript
32 lines
1.0 KiB
JavaScript
//This file is automatically rebuilt by the Cesium build process.
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export default "#ifdef GL_OES_standard_derivatives\n\
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#extension GL_OES_standard_derivatives : enable\n\
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#endif\n\
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\n\
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uniform vec4 color;\n\
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uniform float spacing;\n\
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uniform float width;\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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float distanceToContour = mod(materialInput.height, spacing);\n\
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\n\
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#ifdef GL_OES_standard_derivatives\n\
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float dxc = abs(dFdx(materialInput.height));\n\
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float dyc = abs(dFdy(materialInput.height));\n\
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float dF = max(dxc, dyc) * czm_pixelRatio * width;\n\
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float alpha = (distanceToContour < dF) ? 1.0 : 0.0;\n\
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#else\n\
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float alpha = (distanceToContour < (czm_pixelRatio * width)) ? 1.0 : 0.0;\n\
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#endif\n\
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\n\
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vec4 outColor = czm_gammaCorrect(vec4(color.rgb, alpha * color.a));\n\
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material.diffuse = outColor.rgb;\n\
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material.alpha = outColor.a;\n\
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\n\
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return material;\n\
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}\n\
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";
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