ridder/dist/timer.js

A straightforward game engine for simple data-driven games in JavaScript

import { getDeltaTime } from "./state.js";
/**
 * Create a new timer data structure.
 */
export function timer() {
    return { elapsed: 0 };
}
/**
 * Advance the timer by the time since the last frame, returns `true` if the timer has reached the duration this frame.
 */
export function tickTimer(t, duration) {
    if (duration <= 0 || t.elapsed >= duration) {
        return false;
    }
    t.elapsed = Math.min(t.elapsed + getDeltaTime(), duration);
    return t.elapsed === duration;
}
/**
 * Reset the timer back to zero.
 */
export function resetTimer(t) {
    t.elapsed = 0;
}