Merge pull request #85 from sidepelican/fast_bg

step any frames in one tick
onevcat · Dec 28, 2018 · 332578c · 332578c
2 parents 79a8e94 + 6b6e421
commit 332578c
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/APNGKit/APNGImageView.swift b/APNGKit/APNGImageView.swift
@@ -298,8 +298,11 @@ open class APNGImageView: APNGView {
         lastTimestamp = timestamp
 
         currentPassedDuration += elapsedTime
+        if let duration = image.duration, currentPassedDuration > duration {
+            currentPassedDuration = currentPassedDuration.truncatingRemainder(dividingBy: duration)
+        }
 
-        if currentPassedDuration >= currentFrameDuration {
+        while currentPassedDuration >= currentFrameDuration {
             currentFrameIndex = currentFrameIndex + 1
 
             if currentFrameIndex == image.frameCount {