动画背景

assets/script/game/map/view/MoveUV.ts

@@ -0,0 +1,50 @@
+import { Texture2D } from 'cc';
+import { Enum } from 'cc';
+import { rect } from 'cc';
+import { Sprite } from 'cc';
+import { _decorator, Component } from 'cc';
+const { ccclass, property } = _decorator;
+
+@ccclass('MoveUV')
+export class MoveUV extends Component {
+
+    @property
+    moveSpeedX = 0;
+
+    @property
+    moveSpeedY = 0;
+
+    @property({ type: Enum(Texture2D.WrapMode) })
+    wrapMode = Texture2D.WrapMode.REPEAT;
+
+    private _sprite: Sprite;
+    private _rect = rect();
+    private _currentWrapMode: number;
+
+    getRect() {
+        return this._rect;
+    }
+
+    onLoad() {
+        this._sprite = this.getComponent(Sprite);
+        if (!this._sprite) {
+            let tempStr = "获取Sprite失败";
+            throw new Error(tempStr);
+        }
+        this._rect.set(this._sprite.spriteFrame.rect);
+        this._sprite.spriteFrame.packable = false;
+    }
+
+    update(dt: number) {
+        if (this._currentWrapMode !== this.wrapMode) {
+            this._currentWrapMode = this.wrapMode;
+            this._sprite.spriteFrame.texture.setWrapMode(this.wrapMode, this.wrapMode);
+        }
+        this._rect.x += this.moveSpeedX * dt;
+        this._rect.y += this.moveSpeedY * dt;
+
+        this._sprite.spriteFrame.rect = this._rect;
+        this._sprite.markForUpdateRenderData();
+    }
+
+}