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39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
//This file is automatically rebuilt by the Cesium build process.
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export default "varying vec4 positionEC;\n\
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\n\
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void main()\n\
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{\n\
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vec3 position;\n\
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vec3 direction;\n\
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if (czm_orthographicIn3D == 1.0)\n\
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{\n\
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vec2 uv = (gl_FragCoord.xy - czm_viewport.xy) / czm_viewport.zw;\n\
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vec2 minPlane = vec2(czm_frustumPlanes.z, czm_frustumPlanes.y); // left, bottom\n\
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vec2 maxPlane = vec2(czm_frustumPlanes.w, czm_frustumPlanes.x); // right, top\n\
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position = vec3(mix(minPlane, maxPlane, uv), 0.0);\n\
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direction = vec3(0.0, 0.0, -1.0);\n\
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} \n\
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else \n\
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{\n\
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position = vec3(0.0);\n\
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direction = normalize(positionEC.xyz);\n\
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}\n\
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\n\
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czm_ray ray = czm_ray(position, direction);\n\
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\n\
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vec3 ellipsoid_center = czm_view[3].xyz;\n\
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\n\
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czm_raySegment intersection = czm_rayEllipsoidIntersectionInterval(ray, ellipsoid_center, czm_ellipsoidInverseRadii);\n\
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if (!czm_isEmpty(intersection))\n\
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{\n\
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gl_FragColor = vec4(1.0, 1.0, 0.0, 1.0);\n\
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}\n\
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else\n\
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{\n\
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discard;\n\
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}\n\
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\n\
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czm_writeLogDepth();\n\
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}\n\
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";
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