1

src/babylonjs/AppRay.ts

@@ -92,6 +92,12 @@ class AppRay extends Monobehiver {
         const zones = this.mainApp.appDropZone.getPlacementZones();
         const clickedZone = zones.find(zone => zone.mesh === pickInfo.pickedMesh);
         if (clickedZone) {
+          // 计算该放置区域的目标位置和旋转
+          const offsetDistance = 0.1;
+          const targetPosition = clickedZone.center.add(clickedZone.normal.scale(offsetDistance));
+          const targetDirection = clickedZone.normal.scale(-1);
+          const angle = Math.atan2(targetDirection.x, targetDirection.z);
+
           EventBridge.dropZoneClick({
             wallName: clickedZone.wallName,
             index: clickedZone.index,
@@ -99,7 +105,24 @@ class AppRay extends Monobehiver {
             width: clickedZone.width,
             height: clickedZone.height,
             normal: clickedZone.normal,
-            mesh: clickedZone.mesh
+            mesh: clickedZone.mesh,
+            transform: {
+              position: {
+                x: targetPosition.x,
+                y: targetPosition.y,
+                z: targetPosition.z
+              },
+              rotation: {
+                x: 0,
+                y: angle * 180 / Math.PI,  // 转换为角度
+                z: 0
+              },
+              scale: {
+                x: 1,
+                y: 1,
+                z: 1
+              }
+            }
           });
           return;
         }