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Fix background idle animation on iOS when task switching

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This commit is contained in:
Henrik Rydgård 2020-12-14 00:38:02 +01:00
parent ed60a85d32
commit 1814fa5602
1 changed files with 8 additions and 0 deletions
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8
UI/MiscScreens.cpp
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@ -126,7 +126,15 @@ void DrawBackground(UIContext &dc, float alpha) {
ui_draw2d.DrawImageStretch(img, dc.GetBounds(), bgColor); ui_draw2d.DrawImageStretch(img, dc.GetBounds(), bgColor);
} }
#if PPSSPP_PLATFORM(IOS)
// iOS uses an old screenshot when restoring the task, so to avoid an ugly
// jitter we accumulate time instead.
static int frameCount = 0.0;
frameCount++;
double t = (double)frameCount / 60.0;
#else
double t = time_now_d(); double t = time_now_d();
#endif
for (int i = 0; i < 100; i++) { for (int i = 0; i < 100; i++) {
float x = xbase[i] + dc.GetBounds().x; float x = xbase[i] + dc.GetBounds().x;
float y = ybase[i] + dc.GetBounds().y + 40 * cosf(i * 7.2f + t * 1.3f); float y = ybase[i] + dc.GetBounds().y + 40 * cosf(i * 7.2f + t * 1.3f);