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Fixing race condition of button animation (#292)

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Peli de Halleux 2018-01-31 11:48:53 -08:00 committed by GitHub
parent 69d3938d85
commit 635d4a7624
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 4 deletions
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15
sim/visuals/nodes/brickView.ts
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@ -47,14 +47,17 @@ namespace pxsim.visuals {
}
private lastLightPattern: number = -1;
private lastLightAnimationId: any;
private lastLightAnimationId: any = undefined;
private updateLight() {
let state = ev3board().getBrickNode().lightState;
const lightPattern = state.lightPattern;
if (lightPattern == this.lastLightPattern) return;
this.lastLightPattern = lightPattern;
if (this.lastLightAnimationId) cancelAnimationFrame(this.lastLightAnimationId);
if (this.lastLightAnimationId) {
cancelAnimationFrame(this.lastLightAnimationId);
delete this.lastLightAnimationId;
}
switch (lightPattern) {
case 0: // LED_BLACK
this.setStyleFill(this.normalizeId(BrickView.EV3_LIGHT_ID), this.normalizeId(`linear-gradient-black`));
@ -94,6 +97,7 @@ namespace pxsim.visuals {
}
private flashLightAnimation(id: string) {
const pattern = this.lastLightPattern;
let fps = 3;
let now;
let then = Date.now();
@ -101,8 +105,9 @@ namespace pxsim.visuals {
let delta;
let that = this;
function draw() {
if (that.lastLightPattern != pattern) return;
that.lastLightAnimationId = requestAnimationFrame(draw);
now = Date.now();
now = pxsim.U.now();
delta = now - then;
if (delta > interval) {
then = now - (delta % interval);
@ -124,6 +129,7 @@ namespace pxsim.visuals {
private pulseLightAnimation(id: string) {
const pattern = this.lastLightPattern;
let fps = 8;
let now;
let then = Date.now();
@ -131,8 +137,9 @@ namespace pxsim.visuals {
let delta;
let that = this;
function draw() {
if (that.lastLightPattern != pattern) return;
that.lastLightAnimationId = requestAnimationFrame(draw);
now = Date.now();
now = pxsim.U.now();
delta = now - then;
if (delta > interval) {
// update time stuffs