Change wait to use a promise instead of being called every frame

This commit is contained in:
DD Liu 2017-06-05 16:55:15 -04:00
parent ecf535f4c3
commit ab0cef52eb

View file

@ -73,18 +73,13 @@ class Scratch3ControlBlocks {
util.startBranch(1, true);
}
wait (args, util) {
if (!util.stackFrame.timer) {
util.stackFrame.timer = new Timer();
util.stackFrame.timer.start();
util.yield();
this.runtime.requestRedraw();
} else {
wait (args) {
const duration = Math.max(0, 1000 * Cast.toNumber(args.DURATION));
if (util.stackFrame.timer.timeElapsed() < duration) {
util.yield();
}
}
return new Promise(resolve => {
setTimeout(() => {
resolve();
}, duration);
});
}
if (args, util) {