Eliminate some occurrences of var (#6737)

src/extras/render-passes/render-pass-depth-aware-blur.js

@@ -70,7 +70,7 @@ class RenderPassDepthAwareBlur extends RenderPassShaderQuad {
         `
         );
 
-        var scope = this.device.scope;
+        const scope = this.device.scope;
         this.sourceTextureId = scope.resolve('sourceTexture');
         this.sourceInvResolutionId = scope.resolve('sourceInvResolution');
         this.sourceInvResolutionValue = new Float32Array(2);

src/framework/components/collision/system.js

@@ -423,7 +423,7 @@ class CollisionMeshSystemImpl extends CollisionSystemImpl {
                 return idx;
             };
 
-            for (var i = 0; i < numTriangles; i++) {
+            for (let i = 0; i < numTriangles; i++) {
                 i1 = addVertex(indices[base + i * 3]);
                 i2 = addVertex(indices[base + i * 3 + 1]);
                 i3 = addVertex(indices[base + i * 3 + 2]);

src/framework/entity.js

@@ -444,7 +444,7 @@ class Entity extends GraphNode {
      * has one. Returns undefined otherwise.
      * @example
      * // Get the first found "playerController" instance in the hierarchy tree that starts with this entity
-     * var controller = entity.findScript("playerController");
+     * const controller = entity.findScript("playerController");
      */
     findScript(nameOrType) {
         const entity = this.findOne(node => node.c?.script?.has(nameOrType));
@@ -459,7 +459,7 @@ class Entity extends GraphNode {
      * descendants. Returns empty array if none found.
      * @example
      * // Get all "playerController" instances in the hierarchy tree that starts with this entity
-     * var controllers = entity.findScripts("playerController");
+     * const controllers = entity.findScripts("playerController");
      */
     findScripts(nameOrType) {
         const entities = this.find(node => node.c?.script?.has(nameOrType));