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Fixed choppiness with variable framerate.

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Note: framerate seemed to decrease, may be due to processes at the time.
This commit is contained in:
Harrison Deng 2020-07-10 23:48:30 -05:00
parent 110c7dbfad
commit 1f8bc5fb61
1 changed files with 10 additions and 1 deletions
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11
src/SlatedGameToolkit.Framework/GameEngine.cs
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@ -83,6 +83,7 @@ namespace SlatedGameToolkit.Framework {
DateTime previousTime = DateTime.Now; DateTime previousTime = DateTime.Now;
TimeSpan timePassedFromLastUpdate = TimeSpan.Zero; TimeSpan timePassedFromLastUpdate = TimeSpan.Zero;
TimeSpan timePassedFromLastRender = TimeSpan.Zero; TimeSpan timePassedFromLastRender = TimeSpan.Zero;
TimeSpan updateTimePassedFromLastRender =TimeSpan.Zero;
TimeSpan updateDeltaTime = GameEngine.updateDeltaTime; TimeSpan updateDeltaTime = GameEngine.updateDeltaTime;
TimeSpan frameDeltaTime = GameEngine.frameDeltaTime; TimeSpan frameDeltaTime = GameEngine.frameDeltaTime;
deltaChanged = true; deltaChanged = true;
@ -160,6 +161,7 @@ namespace SlatedGameToolkit.Framework {
previousTime = frameStart; previousTime = frameStart;
timePassedFromLastUpdate += difference; timePassedFromLastUpdate += difference;
updateTimePassedFromLastRender += difference;
while (timePassedFromLastUpdate > updateDeltaTime) { while (timePassedFromLastUpdate > updateDeltaTime) {
//Updates. //Updates.
manager.Update(updateDeltaTime.TotalSeconds <= 0 ? timePassedFromLastUpdate.TotalSeconds : updateDeltaTime.TotalSeconds); manager.Update(updateDeltaTime.TotalSeconds <= 0 ? timePassedFromLastUpdate.TotalSeconds : updateDeltaTime.TotalSeconds);
@ -173,7 +175,14 @@ namespace SlatedGameToolkit.Framework {
timePassedFromLastRender += difference; timePassedFromLastRender += difference;
if (timePassedFromLastRender > frameDeltaTime) { if (timePassedFromLastRender > frameDeltaTime) {
//Draw calls. //Draw calls.
manager.Render(updateDeltaTime.TotalSeconds <= 0 ? 1 : Math.Max(timePassedFromLastUpdate / updateDeltaTime, 0)); double prog = updateTimePassedFromLastRender / updateDeltaTime;
if (prog > 1) {
prog = 1;
} else if (prog < 0) {
prog = 0;
}
manager.Render(updateDeltaTime.TotalSeconds <= 0 ? 1 : prog);
updateTimePassedFromLastRender = TimeSpan.Zero;
timePassedFromLastRender = TimeSpan.Zero; timePassedFromLastRender = TimeSpan.Zero;
} else { } else {
Thread.Yield(); Thread.Yield();