mirror of
https://github.com/ifengzp/cocos-awesome.git
synced 2024-12-26 11:49:18 +00:00
90 lines
2.9 KiB
TypeScript
90 lines
2.9 KiB
TypeScript
const { ccclass, property } = cc._decorator;
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@ccclass
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export default class SwitchScene extends cc.Component {
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@property(cc.Node) separator = null;
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@property(cc.SpriteFrame) spriteFrame1 = null;
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@property(cc.SpriteFrame) spriteFrame2 = null;
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@property(cc.Sprite) bgSprite = null;
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@property(cc.Material) material = null;
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private _spriteMaterial: cc.Material;
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touchStartPos = cc.Vec2.ZERO;
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separatorStartPos = cc.Vec2.ZERO;
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start() {
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this.bgSprite.spriteFrame.setTexture(this.spriteFrame1._texture);
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this.initSpriteMaterial();
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this.playTransitionAnimation();
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}
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onLoad() {
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this.separatorStartPos = this.separator.getPosition();
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this.node.on(cc.Node.EventType.TOUCH_START, this.onTouchStart, this);
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this.node.on(cc.Node.EventType.TOUCH_MOVE, this.onTouchMove, this);
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}
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switchSceneByTransition(event, value) {
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cc.director.emit('setBackBtnVisibility', false);
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cc.director.emit('switchSceneByTransition', value);
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}
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playTransitionAnimation() {
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let progress = 0;
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let targetProgress = cc.winSize.width;
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let totalTime = 3;
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let startTime = Date.now();
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const loop = () => {
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if (!this._spriteMaterial || !this.touchStartPos) return;
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if (!this.touchStartPos.equals(cc.Vec2.ZERO)) return;
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let currentTime = Date.now();
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let elapsedTime = (currentTime - startTime) / 1000;
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let _progress = (elapsedTime / totalTime) * targetProgress;
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progress = Math.min(_progress, targetProgress);
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this._spriteMaterial.setProperty('time', progress / cc.winSize.width);
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this.separator.setPosition({ x: progress, y: 0 });
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if (progress < targetProgress) {
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requestAnimationFrame(loop.bind(this));
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}
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};
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loop();
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}
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onTouchStart(event) {
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this.separatorStartPos = this.separator.getPosition();
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this.touchStartPos = this.node.convertToNodeSpaceAR(event.getLocation());
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}
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private onTouchMove(event) {
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// 获取当前触摸点的位置
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let touchPos = this.node.convertToNodeSpaceAR(event.getLocation());
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// 计算触摸点相对于起始位置的偏移量
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let offset = touchPos.sub(this.touchStartPos);
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let targetPos = this.separatorStartPos.add(offset);
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let targetX = Math.max(0, Math.min(targetPos.x, cc.winSize.width));
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this.separator.setPosition({
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x: targetX,
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y: 0
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});
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this._spriteMaterial.setProperty('time', targetX / cc.winSize.width);
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}
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initSpriteMaterial() {
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let newMaterial = cc.MaterialVariant.create(this.material, this.bgSprite);
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newMaterial.setProperty('texture', this.spriteFrame1._texture);
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newMaterial.setProperty('texture2', this.spriteFrame2._texture);
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newMaterial.setProperty('screenSize', new Float32Array([cc.winSize.width, cc.winSize.height]));
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newMaterial.setProperty('time', 0.25);
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this.spriteFrame1._texture.setFlipY(true);
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this.spriteFrame2._texture.setFlipY(true);
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this.bgSprite.setMaterial(0, newMaterial);
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this._spriteMaterial = newMaterial;
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}
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}
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