add unlock system for tools

Assets/Scripts/Tools/ThrowableHand.cs

@@ -20,7 +20,6 @@ private void Update()
     {
         if (GameManager.Instance.PlayerController != null)
         {
-            SetGroundPlane();
             DrawTargetProjection();
         }
     }
@@ -43,28 +42,51 @@ private void DrawTargetProjection()
             targetProjection = GetComponentInChildren<DecalProjector>();
         }
 
+        Transform player = GameManager.Instance.PlayerController.DougBody.transform;
+        Transform camera = GameManager.Instance.PlayerController.cameraController.MainCamera.transform;
+
         Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
 
-        if (handGroundPlane.Raycast(ray, out var distance))
+        Vector3 targetPoint;
+
+        // First try real world geometry
+        if (Physics.Raycast(ray, out RaycastHit hit, 1000f))
         {
-            Vector3 hitPoint = ray.GetPoint(distance);
-
-            float distanceFromPoint = Vector3.Distance(hitPoint, transform.position);
-            if (distanceFromPoint > range)
-            {
-                Vector3 directionTowardMouse = (hitPoint - transform.position).normalized;
-                targetProjection.transform.position = new Vector3(transform.position.x, hitPoint.y, transform.position.z);
-                targetProjection.transform.position += directionTowardMouse * range;
-
-                throwForce = range;
-            }
-            else
-            {
-                targetProjection.gameObject.SetActive(true);
-                targetProjection.transform.position = hitPoint;
-                throwForce = distanceFromPoint;
-            }
+            targetPoint = hit.point;
         }
+        else
+        {
+            // Fallback plane if nothing hit
+            Plane plane = new Plane(Vector3.up, player.position);
+
+            if (!plane.Raycast(ray, out float distance))
+                return;
+
+            targetPoint = ray.GetPoint(distance);
+        }
+
+        // Flatten relative to player
+        Vector3 offset = targetPoint - player.position;
+        offset.y = 0f;
+
+        // Clamp range
+        offset = Vector3.ClampMagnitude(offset, range);
+        throwForce = offset.magnitude;
+
+        // Final position
+        Vector3 finalPosition = player.position + offset;
+
+        // Snap back to ground
+        if (Physics.Raycast(
+            finalPosition + Vector3.up * 10f,
+            Vector3.down,
+            out RaycastHit groundHit,
+            50f))
+        {
+            finalPosition = groundHit.point;
+        }
+
+        targetProjection.transform.position = finalPosition;
     }
 
     public override void Use()