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- //This file is automatically rebuilt by the Cesium build process.
- /*global define*/
- define(function() {
- "use strict";
- return "uniform vec4 color;\n\
- uniform vec4 rimColor;\n\
- uniform float width;\n\
- \n\
- czm_material czm_getMaterial(czm_materialInput materialInput)\n\
- {\n\
- czm_material material = czm_getDefaultMaterial(materialInput);\n\
- \n\
- // See http://www.fundza.com/rman_shaders/surface/fake_rim/fake_rim1.html\n\
- float d = 1.0 - dot(materialInput.normalEC, normalize(materialInput.positionToEyeEC));\n\
- float s = smoothstep(1.0 - width, 1.0, d);\n\
- \n\
- material.diffuse = color.rgb;\n\
- material.emission = rimColor.rgb * s; \n\
- material.alpha = mix(color.a, rimColor.a, s);\n\
- \n\
- return material;\n\
- }\n\
- ";
- });
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