Add existing to tracked

node_modules/@cesium/engine/Source/Shaders/Vector3DTilePolylinesVS.js

@@ -0,0 +1,24 @@
+//This file is automatically rebuilt by the Cesium build process.
+export default "in vec4 currentPosition;\n\
+in vec4 previousPosition;\n\
+in vec4 nextPosition;\n\
+in vec2 expandAndWidth;\n\
+in float a_batchId;\n\
+\n\
+uniform mat4 u_modifiedModelView;\n\
+\n\
+void main()\n\
+{\n\
+    float expandDir = expandAndWidth.x;\n\
+    float width = abs(expandAndWidth.y) + 0.5;\n\
+    bool usePrev = expandAndWidth.y < 0.0;\n\
+\n\
+    vec4 p = u_modifiedModelView * currentPosition;\n\
+    vec4 prev = u_modifiedModelView * previousPosition;\n\
+    vec4 next = u_modifiedModelView * nextPosition;\n\
+\n\
+    float angle;\n\
+    vec4 positionWC = getPolylineWindowCoordinatesEC(p, prev, next, expandDir, width, usePrev, angle);\n\
+    gl_Position = czm_viewportOrthographic * positionWC;\n\
+}\n\
+";