Add existing to tracked

node_modules/@cesium/engine/Source/Shaders/Voxels/IntersectDepth.js

@@ -0,0 +1,29 @@
+//This file is automatically rebuilt by the Cesium build process.
+export default "// See IntersectionUtils.glsl for the definitions of Ray, Intersections,\n\
+// setIntersectionPair, INF_HIT, NO_HIT\n\
+\n\
+/* intersectDepth defines (set in Scene/VoxelRenderResources.js)\n\
+#define DEPTH_INTERSECTION_INDEX ###\n\
+*/\n\
+\n\
+void intersectDepth(in vec2 screenCoord, in Ray ray, inout Intersections ix) {\n\
+    float logDepthOrDepth = czm_unpackDepth(texture(czm_globeDepthTexture, screenCoord));\n\
+    float entry;\n\
+    float exit;\n\
+    if (logDepthOrDepth != 0.0) {\n\
+        // Calculate how far the ray must travel before it hits the depth buffer.\n\
+        vec4 eyeCoordinateDepth = czm_screenToEyeCoordinates(screenCoord, logDepthOrDepth);\n\
+        eyeCoordinateDepth /= eyeCoordinateDepth.w;\n\
+        entry = dot(eyeCoordinateDepth.xyz - ray.pos, ray.dir);\n\
+        exit = +INF_HIT;\n\
+    } else {\n\
+        // There's no depth at this location.\n\
+        entry = NO_HIT;\n\
+        exit = NO_HIT;\n\
+    }\n\
+    ix.distanceToDepthBuffer = entry;\n\
+#if defined(DEPTH_TEST)\n\
+    setIntersectionPair(ix, DEPTH_INTERSECTION_INDEX, vec2(entry, exit));\n\
+#endif\n\
+}\n\
+";