Examples: tslFn rename to Fn (#29090)

* code cleanup

* tslFn -> Fn

---------

Co-authored-by: aardgoose <angus.sawyer@email.com>

examples/jsm/objects/SkyMesh.js

@@ -5,7 +5,7 @@ import {
 	NodeMaterial,
 	Vector3
 } from 'three';
-import { float, tslFn, vec3, acos, add, mul, clamp, cos, dot, exp, max, mix, modelViewProjection, normalize, positionWorld, pow, smoothstep, sub, varying, varyingProperty, vec4, uniform, cameraPosition } from 'three/tsl';
+import { float, Fn, vec3, acos, add, mul, clamp, cos, dot, exp, max, mix, modelViewProjection, normalize, positionWorld, pow, smoothstep, sub, varying, varyingProperty, vec4, uniform, cameraPosition } from 'three/tsl';
 
 /**
  * Based on "A Practical Analytic Model for Daylight"
@@ -38,7 +38,7 @@ class SkyMesh extends Mesh {
 
 		this.isSky = true;
 
-		const vertexNode = /*@__PURE__*/ tslFn( () => {
+		const vertexNode = /*@__PURE__*/ Fn( () => {
 
 			// constants for atmospheric scattering
 			const e = float( 2.71828182845904523536028747135266249775724709369995957 );
@@ -104,7 +104,7 @@ class SkyMesh extends Mesh {
 
 		} )();
 
-		const fragmentNode = /*@__PURE__*/ tslFn( () => {
+		const fragmentNode = /*@__PURE__*/ Fn( () => {
 
 			const vSunDirection = varying( vec3(), 'vSunDirection' );
 			const vSunE = varying( float(), 'vSunE' );

examples/jsm/objects/Water2Mesh.js

@@ -5,7 +5,7 @@ import {
 	Vector2,
 	Vector3
 } from 'three';
-import { vec2, viewportSafeUV, viewportSharedTexture, reflector, pow, float, abs, texture, uniform, TempNode, NodeUpdateType, vec4, tslFn, cameraPosition, positionWorld, uv, mix, vec3, normalize, max, dot, viewportTopLeft } from 'three/tsl';
+import { vec2, viewportSafeUV, viewportSharedTexture, reflector, pow, float, abs, texture, uniform, TempNode, NodeUpdateType, vec4, Fn, cameraPosition, positionWorld, uv, mix, vec3, normalize, max, dot, viewportTopLeft } from 'three/tsl';
 
 /**
  * References:
@@ -91,7 +91,7 @@ class WaterNode extends TempNode {
 
 	setup() {
 
-		const outputNode = tslFn( () => {
+		const outputNode = Fn( () => {
 
 			const flowMapOffset0 = this.flowConfig.x;
 			const flowMapOffset1 = this.flowConfig.y;

examples/jsm/objects/WaterMesh.js

@@ -4,7 +4,7 @@ import {
 	NodeMaterial,
 	Vector3
 } from 'three';
-import { add, cameraPosition, div, normalize, positionWorld, sub, timerLocal, tslFn, texture, vec2, vec3, vec4, max, dot, reflect, pow, length, float, uniform, reflector, mul, mix } from 'three/tsl';
+import { add, cameraPosition, div, normalize, positionWorld, sub, timerLocal, Fn, texture, vec2, vec3, vec4, max, dot, reflect, pow, length, float, uniform, reflector, mul, mix } from 'three/tsl';
 
 /**
  * Work based on :
@@ -39,7 +39,7 @@ class WaterMesh extends Mesh {
 
 		const timeNode = timerLocal();
 
-		const getNoise = tslFn( ( [ uv ] ) => {
+		const getNoise = Fn( ( [ uv ] ) => {
 
 			const uv0 = add( div( uv, 103 ), vec2( div( timeNode, 17 ), div( timeNode, 29 ) ) ).toVar();
 			const uv1 = div( uv, 107 ).sub( vec2( div( timeNode, - 19 ), div( timeNode, 31 ) ) ).toVar();
@@ -57,7 +57,7 @@ class WaterMesh extends Mesh {
 
 		} );
 
-		const fragmentNode = tslFn( () => {
+		const fragmentNode = Fn( () => {
 
 			const noise = getNoise( positionWorld.xz.mul( this.size ) );
 			const surfaceNormal = normalize( noise.xzy.mul( 1.5, 1.0, 1.5 ) );