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https://github.com/ifengzp/cocos-awesome.git
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50 lines
1.5 KiB
TypeScript
50 lines
1.5 KiB
TypeScript
const { ccclass, property } = cc._decorator;
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@ccclass
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export default class Moving_ghost extends cc.Component {
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@property([cc.Sprite])
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ghostCanvasList: cc.Sprite[] = [];
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@property(cc.Node)
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role: cc.Node = null;
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@property(cc.Camera)
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roleCamera: cc.Camera = null;
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onLoad() {
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const roleZindex = 10;
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this.role.zIndex = roleZindex;
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const texture = new cc.RenderTexture();
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texture.initWithSize(this.node.width, this.node.height);
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const spriteFrame = new cc.SpriteFrame();
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spriteFrame.setTexture(texture);
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this.roleCamera.targetTexture = texture;
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this.ghostCanvasList.forEach((ghost, idx) => {
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ghost.node.scaleY = -1;
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ghost.node.zIndex = roleZindex - idx;
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ghost.node.opacity = 100 - idx * 15;
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ghost.spriteFrame = spriteFrame;
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});
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this.schedule(this.ghostFollow, 0.1, cc.macro.REPEAT_FOREVER);
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this.node.on(cc.Node.EventType.TOUCH_MOVE, this.touchMoveEvent, this);
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}
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touchMoveEvent(evt: cc.Event.EventTouch) {
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this.role.x += evt.getDeltaX();
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this.role.y += evt.getDeltaY();
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}
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beforeDestroy() {
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this.unschedule(this.ghostFollow);
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}
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ghostFollow() {
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this.ghostCanvasList.forEach((ghost, i) => {
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const dis = (ghost.node.position as any).sub(this.role.position).mag();
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if (dis < 0.5) return; // 给个误差范围，涉及到浮点数，dis的计算不可能精准，小于0.5就可以认为是静止了
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ghost.node.stopAllActions();
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ghost.node.runAction(cc.moveTo(i * 0.04 + 0.02, this.role.x, this.role.y));
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});
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}
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}
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