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33 changes: 14 additions & 19 deletions scripts/_GameMaker.js
Original file line number Diff line number Diff line change
Expand Up @@ -2292,33 +2292,28 @@ function GameMaker_Tick()
lastfpstime = g_CurrentTime;
}
newfps++;

// schedule next frame:
// this might be best done after if(!Run_Paused) block,
// but then an exception would halt the game loop.
var nextFrameAt = g_FrameStartTime + 1000 / TargetSpeed;
var now = Date.now();
var delay = g_FrameStartTime + 1000 / TargetSpeed - now;
if (delay < 0) delay = 0;
g_FrameStartTime = now + delay;
if (delay > 4) {
// 4ms is the general minimum timeout time as per spec,
// https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#timers
setTimeout(function() {
if (window.yyRequestAnimationFrame) {
window.yyRequestAnimationFrame(animate);
} else {
// Don't re-enter, that would be bad.
//animate();
}
}, delay);
} else {
var now = g_CurrentTime;
var delay = nextFrameAt - now;
if (delay < 0) {
delay = 0;
}

if (delay <= 4) {
g_FrameStartTime +=delay;
if (window.yyRequestAnimationFrame) {
window.yyRequestAnimationFrame(animate);
} else {
window.postMessage("yyRequestAnimationFrame", "*");
} else{

}
} else{
g_FrameStartTime -=delay;
window.postMessage("yyRequestAnimationFrame", "*");
}


if (!Run_Paused)
{
Expand Down