Add existing to tracked

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

@@ -0,0 +1,30 @@
+//This file is automatically rebuilt by the Cesium build process.
+export default "in vec4 v_pickColor;\n\
+in vec4 v_color;\n\
+in vec4 v_outlineColor;\n\
+in float v_innerRadiusFrac;\n\
+\n\
+void main()\n\
+{\n\
+    // Distance between fragment and point center, 0 to 0.5.\n\
+    float distanceToCenter = length(gl_PointCoord - vec2(0.5));\n\
+    float delta = fwidth(distanceToCenter);\n\
+\n\
+    float outerLimit = 0.5;\n\
+    float innerLimit = 0.5 * v_innerRadiusFrac;\n\
+\n\
+    float outerAlpha = 1.0 - smoothstep(max(0.0, outerLimit - delta), outerLimit, distanceToCenter);\n\
+    float innerAlpha = 1.0 - smoothstep(innerLimit - delta, innerLimit, distanceToCenter);\n\
+\n\
+    vec4 color = vec4(mix(v_outlineColor.rgb, v_color.rgb, innerAlpha), outerAlpha);\n\
+    color.a *= mix(v_outlineColor.a, v_color.a, innerAlpha);\n\
+\n\
+    if (color.a < 0.005)   // matches 0/255 and 1/255\n\
+    {\n\
+        discard;\n\
+    }\n\
+\n\
+    out_FragColor = czm_gammaCorrect(color);\n\
+    czm_writeLogDepth();\n\
+}\n\
+";