Update game.js

game.js

@@ -162,15 +162,17 @@ class TankPlayer {
         const turretResult = await loader.loadAsync('/models/abramsTurret.glb');
         this.turret = turretResult.scene;
         
-        
         this.turretGroup.position.y = 0.2;
         this.turretGroup.add(this.turret);
         this.body.add(this.turretGroup);
         
+        // 그림자 설정 개선
         this.body.traverse((child) => {
             if (child.isMesh) {
                 child.castShadow = true;
                 child.receiveShadow = true;
+                child.material.shadowSide = THREE.BackSide;
+                child.material.needsUpdate = true;
             }
         });
         
@@ -178,9 +180,22 @@ class TankPlayer {
             if (child.isMesh) {
                 child.castShadow = true;
                 child.receiveShadow = true;
+                child.material.shadowSide = THREE.BackSide;
+                child.material.needsUpdate = true;
             }
         });
 
+        // 추가적인 그림자 평면 생성
+        const shadowPlaneGeometry = new THREE.PlaneGeometry(8, 8);
+        const shadowPlaneMaterial = new THREE.ShadowMaterial({
+            opacity: 0.3
+        });
+        this.shadowPlane = new THREE.Mesh(shadowPlaneGeometry, shadowPlaneMaterial);
+        this.shadowPlane.receiveShadow = true;
+        this.shadowPlane.rotation.x = -Math.PI / 2;
+        this.shadowPlane.position.y = 0.1;
+        this.body.add(this.shadowPlane);
+
         // 여기서 유효한 스폰 위치를 찾아 적용
         if (window.gameInstance) {
             const spawnPos = window.gameInstance.findValidSpawnPosition();