59 lines
1.9 KiB
TypeScript
59 lines
1.9 KiB
TypeScript
const { ccclass, property, requireComponent } = cc._decorator;
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/** 挂到带 Sprite 的节点上，并在 Inspector 中指定 jungle_shine.effect。 */
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@ccclass
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@requireComponent(cc.Sprite)
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export default class JungleShine extends cc.Component {
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@property(cc.EffectAsset)
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effectAsset: cc.EffectAsset = null;
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private material: cc.Material = null;
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private delayRemaining: number = 0.15;
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private elapsed: number = 0;
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protected onLoad(): void {
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let sprite = this.getComponent(cc.Sprite);
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if (!sprite || !this.effectAsset) {
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cc.warn("[JungleShine] 请在 Inspector 中绑定 jungle_shine.effect");
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return;
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}
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let material = new cc.Material();
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// @ts-ignore Cocos Creator 2.4 通过 effectAsset 创建运行时材质。
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material.effectAsset = this.effectAsset;
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material.setProperty("shinePosition", -0.35);
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material.setProperty("shineWidth", 0.075);
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material.setProperty("shineStrength", 1.8);
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material.setProperty("shineAngle", 0.2);
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material.setProperty("shineColor", [1.0, 0.95, 0.68, 1.0]);
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this.material = material;
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sprite.setMaterial(0, material);
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}
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protected update(dt: number): void {
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if (!this.material) {
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return;
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}
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if (this.delayRemaining > 0) {
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this.delayRemaining = Math.max(0, this.delayRemaining - dt);
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return;
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}
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this.elapsed += dt;
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let progress = Math.min(1, this.elapsed / 0.72);
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this.material.setProperty("shinePosition", -0.35 + 1.7 * progress);
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if (progress >= 1) {
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this.elapsed = 0;
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this.delayRemaining = 1.25;
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this.material.setProperty("shinePosition", -0.35);
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}
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}
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protected onDestroy(): void {
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if (this.material && cc.isValid(this.material)) {
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this.material.destroy();
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}
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this.material = null;
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}
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}
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