!2996 修复:拉伸实体的UV贴图构造器

src/DatabaseServices/3DSolid/ExtrudeHole.ts

@@ -6,12 +6,12 @@ import { ColorMaterial } from "../../Common/ColorPalette";
 import { DisposeThreeObj, Object3DRemoveAll } from "../../Common/Dispose";
 import { Vector2ApplyMatrix4 } from "../../Common/Matrix4Utils";
 import { ObjectSnapMode } from "../../Editor/ObjectSnapMode";
-import { boardUVGenerator } from "../../Geometry/BoardUVGenerator";
 import { Box3Ext } from "../../Geometry/Box";
 import { FastWireframe2 } from "../../Geometry/CreateWireframe";
 import { AsVector3, ZeroVec, equaln, equalv2, equalv3 } from "../../Geometry/GeUtils";
 import { GenerateExtrudeEdgeGeometry } from "../../Geometry/SimpleExtrudeEdgeGeometry";
 import { ScaleUV } from "../../Geometry/UVUtils";
+import { worldUVGenerator } from "../../Geometry/WordUVGenerator";
 import { RenderType } from "../../GraphicsSystem/RenderType";
 import { AutoRecord } from "../AutoRecord";
 import { Factory } from "../CADFactory";
@@ -233,7 +233,7 @@ export class ExtrudeHole extends Hole
             steps: 1,
             bevelEnabled: false,
             depth: this.Height,
-            UVGenerator: boardUVGenerator,
+            UVGenerator: worldUVGenerator,
         };
         let geo = new ExtrudeGeometry(this.ContourCurve.Shape, extrudeSettings);
         geo.applyMatrix4(this._contourCurve.OCSNoClone);

src/Geometry/WordUVGenerator.ts

@@ -0,0 +1,58 @@
+import { ExtrudeBufferGeometry, UVGenerator, Vector2 } from "three";
+
+//https://github.com/mrdoob/three.js/blob/master/src/geometries/ExtrudeGeometry.js#L727
+class WorldUVGenerator implements UVGenerator
+{
+    generateTopUV(geometry: ExtrudeBufferGeometry, vertices: number[], indexA: number, indexB: number, indexC: number)
+    {
+        const a_x = vertices[indexA * 3];
+        const a_y = vertices[indexA * 3 + 1];
+        const b_x = vertices[indexB * 3];
+        const b_y = vertices[indexB * 3 + 1];
+        const c_x = vertices[indexC * 3];
+        const c_y = vertices[indexC * 3 + 1];
+
+        return [
+            new Vector2(a_x, a_y),
+            new Vector2(b_x, b_y),
+            new Vector2(c_x, c_y)
+        ];
+    }
+
+    generateSideWallUV(geometry: ExtrudeBufferGeometry, vertices: number[], indexA: number, indexB: number, indexC: number, indexD: number)
+    {
+        const a_x = vertices[indexA * 3];
+        const a_y = vertices[indexA * 3 + 1];
+        const a_z = vertices[indexA * 3 + 2];
+        const b_x = vertices[indexB * 3];
+        const b_y = vertices[indexB * 3 + 1];
+        const b_z = vertices[indexB * 3 + 2];
+        const c_x = vertices[indexC * 3];
+        const c_y = vertices[indexC * 3 + 1];
+        const c_z = vertices[indexC * 3 + 2];
+        const d_x = vertices[indexD * 3];
+        const d_y = vertices[indexD * 3 + 1];
+        const d_z = vertices[indexD * 3 + 2];
+
+        if (Math.abs(a_y - b_y) < Math.abs(a_x - b_x))
+        {
+            return [
+                new Vector2(a_x, 1 - a_z),
+                new Vector2(b_x, 1 - b_z),
+                new Vector2(c_x, 1 - c_z),
+                new Vector2(d_x, 1 - d_z)
+            ];
+        }
+        else
+        {
+            return [
+                new Vector2(a_y, 1 - a_z),
+                new Vector2(b_y, 1 - b_z),
+                new Vector2(c_y, 1 - c_z),
+                new Vector2(d_y, 1 - d_z)
+            ];
+        }
+    }
+}
+
+export const worldUVGenerator = new WorldUVGenerator();