tsparticles/Core/Utils/FrameManager.js

Easily create highly customizable particle, confetti and fireworks animations and use them as animated backgrounds for your website. Ready to use components available also for React, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Riot.js, Inferno.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.FrameManager = void 0;
class FrameManager {
    constructor(container) {
        this.container = container;
    }
    async nextFrame(timestamp) {
        var _a;
        try {
            const container = this.container;
            if (container.lastFrameTime !== undefined &&
                timestamp < container.lastFrameTime + 1000 / container.fpsLimit) {
                container.draw(false);
                return;
            }
            (_a = container.lastFrameTime) !== null && _a !== void 0 ? _a : (container.lastFrameTime = timestamp);
            const deltaValue = timestamp - container.lastFrameTime;
            const delta = {
                value: deltaValue,
                factor: (60 * deltaValue) / 1000,
            };
            container.lifeTime += delta.value;
            container.lastFrameTime = timestamp;
            if (deltaValue > 1000) {
                container.draw(false);
                return;
            }
            await container.particles.draw(delta);
            if (container.duration > 0 && container.lifeTime > container.duration) {
                container.destroy();
                return;
            }
            if (container.getAnimationStatus()) {
                container.draw(false);
            }
        }
        catch (e) {
            console.error("tsParticles error in animation loop", e);
        }
    }
}
exports.FrameManager = FrameManager;