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116 lines
4.2 KiB
116 lines
4.2 KiB
import { instantiate, Node, Tween, tween, UIOpacity, UITransform, v3, Vec3 } from 'cc';
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import { GAudioPath } from '../../game/ConfigRes';
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/** 单次飞行时长（秒） */
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const COIN_FLY_SEC = 0.45;
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/** 影子透明度 */
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const SHADOW_OPACITY = 200;
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/** 影子起飞间隔（秒） */
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const COIN_SHADOW_STAGGER = 0.04;
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/** 影子最少枚数 */
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const MIN_COIN_SHADOW = 3;
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/** 影子最多枚数 */
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const MAX_COIN_SHADOW = 12;
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/**
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* 胜利结算：ui_coin 金币 icon 影子飞向 ui_money。
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*/
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export class BattleSuccessCoinFlyPresenter {
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private _flyLayer: Node | null = null;
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private _shadowNodes: Node[] = [];
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/** 绑定飞行层（ui_center） */
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bind(flyLayer: Node | null | undefined): void {
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this._flyLayer = flyLayer?.isValid ? flyLayer : null;
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}
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/** 停止并清理影子 */
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unbind(): void {
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this._stopShadows();
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this._flyLayer = null;
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}
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/**
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* 在 sourceIcon 附近生成多枚影子，飞向 targetCoin。
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* @param sourceIcon ui_coin/icon
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* @param targetCoin ui_money/金币
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* @param coinAmount 本次获得金币（用于计算影子数量）
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* @param onComplete 全部到达
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*/
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play(sourceIcon: Node | null, targetCoin: Node | null, coinAmount: number, onComplete: () => void): void {
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const flyLayer = this._flyLayer;
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if (!sourceIcon?.isValid || !targetCoin?.isValid || !flyLayer?.isValid) {
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console.log('[BattleSuccessCoinFly] 飞行参数无效，跳过');
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onComplete();
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return;
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}
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const count = this._shadowCount(coinAmount);
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if (count <= 0) {
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onComplete();
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return;
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}
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this._stopShadows();
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gg.audio.playEffect({ name: '结算金币效果', path: GAudioPath.SfxUi });
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const endPos = this._resolveWorldCenter(targetCoin);
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const srcPos = sourceIcon.worldPosition.clone();
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const srcScale = sourceIcon.worldScale;
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const shadowScale = new Vec3(srcScale.x, srcScale.y, srcScale.z);
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let arrived = 0;
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for (let i = 0; i < count; i++) {
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const shadow = instantiate(sourceIcon);
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shadow.name = 'coinShadow';
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flyLayer.addChild(shadow);
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shadow.setSiblingIndex(flyLayer.children.length - 1);
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const spread = (i - (count - 1) * 0.5) * 14;
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shadow.setWorldPosition(srcPos.x + spread, srcPos.y + (Math.random() - 0.5) * 10, srcPos.z);
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shadow.setWorldScale(shadowScale);
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const fade = shadow.getOrAddComponent(UIOpacity);
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if (fade) fade.opacity = SHADOW_OPACITY;
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this._shadowNodes.push(shadow);
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Tween.stopAllByTarget(shadow);
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tween(shadow)
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.delay(i * COIN_SHADOW_STAGGER)
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.to(COIN_FLY_SEC, { worldPosition: endPos.clone() }, { easing: 'sineIn' })
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.call(() => {
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arrived++;
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if (shadow.isValid) {
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Tween.stopAllByTarget(shadow);
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shadow.destroy();
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}
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const idx = this._shadowNodes.indexOf(shadow);
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if (idx >= 0) this._shadowNodes.splice(idx, 1);
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if (arrived >= count) onComplete();
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})
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.start();
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}
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}
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/** 按金币数量估算影子枚数 */
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private _shadowCount(amount: number): number {
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const n = Math.floor(Number(amount) || 0);
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if (n <= 0) return 0;
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const scaled = Math.ceil(Math.log10(n + 1) * 3);
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return Math.min(MAX_COIN_SHADOW, Math.max(MIN_COIN_SHADOW, scaled));
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}
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/** 节点中心世界坐标 */
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private _resolveWorldCenter(node: Node): Vec3 {
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const ut = node.getComponent(UITransform);
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if (ut) return ut.convertToWorldSpaceAR(v3(0, 0, 0));
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return node.worldPosition.clone();
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}
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/** 销毁所有影子 */
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private _stopShadows(): void {
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for (let i = 0; i < this._shadowNodes.length; i++) {
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const shadow = this._shadowNodes[i];
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if (!shadow?.isValid) continue;
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Tween.stopAllByTarget(shadow);
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shadow.destroy();
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}
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this._shadowNodes.length = 0;
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}
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}
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