refacotring various simulator features into pxt

This commit is contained in:
Peli de Halleux
2016-09-09 22:56:26 -07:00
parent 33f12f9ecc
commit 910772d54e
8 changed files with 11 additions and 380 deletions

View File

@ -116,72 +116,6 @@ namespace pxsim {
}
return font;
}
export interface AnimationOptions {
interval: number;
// false means last frame
frame: () => boolean;
whenDone?: (cancelled: boolean) => void;
}
export class AnimationQueue {
private queue: AnimationOptions[] = [];
private process: () => void;
constructor(private runtime: Runtime) {
this.process = () => {
let top = this.queue[0]
if (!top) return
if (this.runtime.dead) return
runtime = this.runtime
let res = top.frame()
runtime.queueDisplayUpdate()
runtime.maybeUpdateDisplay()
if (res === false) {
this.queue.shift();
// if there is already something in the queue, start processing
if (this.queue[0])
setTimeout(this.process, this.queue[0].interval)
// this may push additional stuff
top.whenDone(false);
} else {
setTimeout(this.process, top.interval)
}
}
}
public cancelAll() {
let q = this.queue
this.queue = []
for (let a of q) {
a.whenDone(true)
}
}
public cancelCurrent() {
let top = this.queue[0]
if (top) {
this.queue.shift();
top.whenDone(true);
}
}
public enqueue(anim: AnimationOptions) {
if (!anim.whenDone) anim.whenDone = () => { };
this.queue.push(anim)
// we start processing when the queue goes from 0 to 1
if (this.queue.length == 1)
this.process()
}
public executeAsync(anim: AnimationOptions) {
U.assert(!anim.whenDone)
return new Promise<boolean>((resolve, reject) => {
anim.whenDone = resolve
this.enqueue(anim)
})
}
}
}
namespace pxsim.images {