滚轮缩放

Assets/Scripts/UI/Common/ModelTexture.cs

@@ -13,15 +13,23 @@ namespace NBF
         private Vector2 _startPos;
         private Vector3 _startRot;
         private SwipeGesture _swipeGesture;
-
+        private bool _focus;
-        public float ZoomValue = 5;
-        public float MinZoom = 1;
-        public float MaxZoom = 15;
 
 
         private void OnInited()
         {
             SetRotateListening();
+            // Stage.inst.on
+            TouchHolder.onRollOver.Set(OnFocusIn);
+            TouchHolder.onRollOut.Set(OnFocusOut);
+            Stage.inst.onMouseWheel.Add(OnMouseWheel);
+            // TouchHolder.onm
+        }
+
+        public override void Dispose()
+        {
+            Stage.inst.onMouseWheel.Remove(OnMouseWheel);
+            base.Dispose();
         }
 
         /// <summary>
@@ -66,6 +74,7 @@ namespace NBF
             gesture1.onEnd.Set(OnSwipeEnd);
         }
 
+        #region 旋转和平移
 
         private void OnSwipeMove(EventContext context)
         {
@@ -104,5 +113,36 @@ namespace NBF
         {
             _renderImage.StopRotate();
         }
+
+        #endregion
+
+        #region Zoom
+
+        private void OnFocusIn()
+        {
+            _focus = true;
+            Log.Info("focus true");
+        }
+
+        private void OnFocusOut()
+        {
+            _focus = false;
+            Log.Info("focus false");
+        }
+
+        private void OnMouseWheel(EventContext context)
+        {
+            if (!_focus) return;
+            float delta = context.inputEvent.mouseWheelDelta / Stage.devicePixelRatio;
+            SetZoom(delta * 0.2f);
+        }
+
+        private void SetZoom(float delta)
+        {
+            var pos = _renderImage.modelRoot.localPosition;
+            _renderImage.modelRoot.localPosition = new Vector3(pos.x, pos.y, pos.z + delta);
+        }
+
+        #endregion
     }
 }