Add existing to tracked

node_modules/@cesium/engine/Source/Shaders/PrimitiveGaussianSplatFS.js

@@ -0,0 +1,20 @@
+//This file is automatically rebuilt by the Cesium build process.
+export default "//\n\
+// Fragment shader for Gaussian splats.\n\
+// Renders a Gaussian splat within a quad, discarding fragments outside the unit circle.\n\
+// Applies an approximate Gaussian falloff based on distance from the center and outputs\n\
+// a color modulated by the alpha and Gaussian weight.\n\
+//\n\
+void main() {\n\
+    if (v_splitDirection < 0.0 && gl_FragCoord.x > czm_splitPosition) discard;\n\
+    if (v_splitDirection > 0.0 && gl_FragCoord.x < czm_splitPosition) discard;\n\
+\n\
+    float A = -dot(v_vertPos, v_vertPos);\n\
+    if (A < -4.) {\n\
+        discard;\n\
+    }\n\
+\n\
+    float B = exp(A * 4.) * v_splatColor.a ;\n\
+    out_FragColor = vec4(v_splatColor.rgb * B , B);\n\
+}\n\
+";