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Add support for loop

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This commit is contained in:
Victor Westerlund 2021-12-26 14:06:18 +01:00
parent 7ca095a0d7
commit e36c6ad8af
1 changed files with 19 additions and 7 deletions
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26
monkey/Monkey.js
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@ -9,7 +9,7 @@ class Monkey {
this.tasks = { this.tasks = {
tasks: [], tasks: [],
length: 0, length: 0,
target: 0, _target: 0,
_i: 0, _i: 0,
set manifest(manifest) { set manifest(manifest) {
this.tasks = manifest; this.tasks = manifest;
@ -18,23 +18,35 @@ class Monkey {
get task() { get task() {
return this.tasks[this._i]; return this.tasks[this._i];
}, },
step: () => { get target() {
this.tasks._i++; return this._target;
const nextTask = this.tasks.task;
this.tasks.target = performance.now() + nextTask[0];
} }
} }
} }
// Advance to the next task or loop
next() {
// Reset index and loop if out of tasks
if(this.tasks._i >= this.tasks.length) {
this.tasks._i = -1;
if(this.flags[1] === 255) return; // Loop forever
this.flags[2] -= 1;
}
this.tasks._i++;
const nextTask = this.tasks.task;
this.tasks._target = performance.now() + nextTask[0];
}
// Main event loop, runs on every frame // Main event loop, runs on every frame
tick() { tick() {
if(this === undefined) return false; if(this === undefined) return;
if(this.flags[0] === 0 || this.flags[2] === 0) return this.abort(); if(this.flags[0] === 0 || this.flags[2] === 0) return this.abort();
const frame = Math.min(performance.now(),this.tasks.target); const frame = Math.min(performance.now(),this.tasks.target);
if(frame == this.tasks.target) { if(frame == this.tasks.target) {
postMessage(["TASK",this.tasks.task]); postMessage(["TASK",this.tasks.task]);
this.tasks.step(); this.next();
} }
requestAnimationFrame(this.tick.bind(this)); requestAnimationFrame(this.tick.bind(this));