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45 lines
1.2 KiB
45 lines
1.2 KiB
import { Node, Vec3 } from 'cc';
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import { SkillTransformDriver } from './SkillTransformDriver';
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export interface TornadoOrbitOptions {
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node: Node;
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anchorWorld: Readonly<Vec3>;
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orbitRadiusPx: number;
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durationSec: number;
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/** 绕落点一圈所需秒数（默认约 5s，与旧版折线总时长接近） */
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loopDurationSec?: number;
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}
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/**
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* 龙卷风在落点附近平滑曲线游走（匀速，无折线转角停顿）。
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* 伤害圆心由调用方每 tick 读 node.worldPosition。
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*/
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export class TornadoOrbitDriver {
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private _node: Node | null = null;
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private _alive = false;
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start(opts: TornadoOrbitOptions): void {
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this.stop();
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const node = opts.node;
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if (!node?.isValid) return;
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this._node = node;
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this._alive = true;
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node.setWorldPosition(opts.anchorWorld);
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SkillTransformDriver.animateSmoothOrbit({
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node,
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anchorWorld: opts.anchorWorld,
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radiusPx: opts.orbitRadiusPx,
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loopDurationSec: opts.loopDurationSec ?? 5,
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});
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}
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stop(): void {
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this._alive = false;
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if (this._node?.isValid) {
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SkillTransformDriver.cancelNode(this._node);
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}
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this._node = null;
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}
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}
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