新增地图摄像机类

sqr/User/Object/Map/MapCamera.nut

@@ -0,0 +1,122 @@
+/*
+文件名:MapCamera.nut
+路径:User/Object/Map/MapCamera.nut
+创建日期:2024-12-22	21:56
+文件用途:
+*/
+class MapCamera {
+    //摄像机坐标
+    X = 0;
+    Y = 0;
+    Z = 0;
+
+    NextX = 0;
+
+    //镜头可行坐标
+    MovableAreaX = 0;
+    MovableAreaY = 0;
+
+
+    //背景偏移量
+    BackgroundOffset = 0;
+    //背景层移动速率
+    BackgroundMoveSpeed = 1.0;
+    //人物中线长度
+    CharacterLineLength = 0;
+
+    //地图对象
+    MyMapParent = null;
+    //跟随对象
+    MyFromParent = null;
+    //摄像机朝向
+    Direction = 1;
+    //摄像机朝向时间
+    DirectionTime = 1;
+
+    //缩放比率
+    CameraRate = 1.0;
+
+    constructor(gMap) {
+        MyMapParent = gMap.weakref();
+    }
+
+
+    /*
+     * @函数作用:设置跟随对象
+     */
+    function SetFromParent(FromParent) {
+        MyFromParent = FromParent.weakref();
+    }
+
+
+    /*
+     * @函数作用:
+     */
+    function SetPosition(gx, gy, gz) {
+        X = gx * CameraRate;
+        Y = gy * CameraRate;
+        Z = gz * CameraRate;
+    }
+
+    /*
+     * @函数作用: 增加坐标偏移
+     */
+    function AddPosition(Type, Value) {
+        switch (Type) {
+            case 0: //X
+                X += Value;
+                break;
+            case 1: //Y
+                Y += Value;
+                break;
+            case 2: //Z
+                Z += Value;
+                break;
+        }
+    }
+
+    /*
+     * @函数作用: 通过父对象同步自身坐标
+     */
+    function SyncPosByFromParent(MillisecondsDuration) {
+        if (MyFromParent) {
+            local R_X, R_Y, R_Z;
+
+            // //X轴移动特殊判断
+            // R_X = MyFromParent.X;
+            // //为超出中线长度时摄像机不会改变位置
+            // if (R_X <= (X + CharacterLineLength) && R_X >= (X - CharacterLineLength)) R_X = X;
+            // //超出以后 补足位置
+            // else if (R_X > (X + CharacterLineLength)) R_X = R_X - CharacterLineLength;
+            // else if (R_X<(X - CharacterLineLength)) R_X = R_X + CharacterLineLength;
+
+
+            //判断是否超出可行区域
+            R_X = Math.Min(Math.Max(MyFromParent.X, 533), MovableAreaX - 533);
+            R_Y = Math.Min(Math.Max(MyFromParent.Y, 300), MovableAreaY - 300);
+            R_Z = MyFromParent.Z;
+
+            SetPosition(R_X, R_Y, R_Z);
+        }
+    }
+
+    /*
+     * @函数作用:Update
+     */
+    function OnUpdate(Dt) {
+        //同步自身与跟随对象的坐标
+        SyncPosByFromParent(Dt);
+
+        //刷新地图图层的坐标
+        foreach(Name, Layer in MyMapParent.LayerObject) {
+            //X屏幕宽度一般 Y屏幕宽度一半 +Z轴运算  在加统一120的偏移 在家background的偏移
+            if (Name == "distantback") {
+                Layer.SetPosition((-X + 533) * BackgroundMoveSpeed, -Y + Z + 300 + 120 + BackgroundOffset);
+            } else {
+                Layer.SetPosition((-X + 533), -Y + Z + 300 + 120 + BackgroundOffset);
+            }
+        }
+    }
+
+
+}