!2883 修复：材质贴图旋转后显示不正确的BUG

src/Add-on/testEntity/ParseMaterialImage.ts

@@ -1,4 +1,4 @@
-import { DoubleSide, MathUtils, MeshPhongMaterial, MeshPhysicalMaterial, MeshPhysicalMaterial2, RepeatWrapping, Texture } from "three";
+import { DoubleSide, MathUtils, MeshPhongMaterial, MeshPhysicalMaterial, MeshPhysicalMaterial2, RepeatWrapping, Texture, Vector2 } from "three";
 import { FBXLoader } from "three/examples/jsm/loaders/FBXLoader";
 import { HostApplicationServices } from "../../ApplicationServices/HostApplicationServices";
 import { LoadImageFromUrl } from "../../Loader/ImageLoader";
@@ -147,7 +147,7 @@ export async function ConverMaterial2(m: MeshPhongMaterial, url: string)
                 mtl[U_WORLD_REP] = data[U_WORLD_REP] ?? 1;
                 mtl[V_WORLD_REP] = data[V_WORLD_REP] ?? 1;
 
-                mtl[U_WORLD_RO] = MathUtils.DEG2RAD * (data[U_WORLD_RO] ?? data[U_RO] ?? 0);
+                mtl[U_WORLD_RO] = -MathUtils.DEG2RAD * (data[U_WORLD_RO] ?? data[U_RO] ?? 0);
 
                 mtl[U_WORLD_MOVE] = data[U_WORLD_MOVE] ?? 0;
                 mtl[V_WORLD_MOVE] = data[V_WORLD_MOVE] ?? 0;
@@ -155,20 +155,15 @@ export async function ConverMaterial2(m: MeshPhongMaterial, url: string)
             else
             {
                 t.repeat.set(data[U_REP] ?? 1, data[V_REP] ?? 1);
-                t.rotation = MathUtils.DEG2RAD * data[U_RO] ?? 0;
-                if (data[U_MOVE] !== undefined)
-                    t.offset.set(
-                        //1. 0.5 - rep *0.5 位移到中心0.5,0.5
-                        //2. 后面部分再次位移
-                        0.5 - t.repeat.x * 0.5 + t.repeat.x * data[U_MOVE],
-                        0.5 - t.repeat.y * 0.5 - t.repeat.y * data[V_MOVE],
-                    );
-                else
-                    t.offset.set(
-                        //1. 0.5 - rep *0.5 位移到中心0.5,0.5
-                        0.5 - t.repeat.x * 0.5,
-                        0.5 - t.repeat.y * 0.5,
-                    );
+                t.rotation = -MathUtils.DEG2RAD * data[U_RO] ?? 0;
+                //位移到中心0.5,0.5
+                t.offset.set((1 - t.repeat.x) * 0.5, (1 - t.repeat.y) * 0.5);
+                if (data[U_MOVE] !== undefined || data[V_MOVE] !== undefined)
+                {
+                    let off = new Vector2(t.repeat.x * (data[U_MOVE] ?? 0), -t.repeat.y * (data[V_MOVE] ?? 0));
+                    off.rotateAround(new Vector2(0, 0), -t.rotation);
+                    t.offset.add(off);
+                }
             }
         }