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cmd/ebitenmobile: bug fix: multiple touches were not updated correctly on Android

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Closes #2220
This commit is contained in:
Hajime Hoshi 2022-07-29 17:38:24 +09:00
parent bcb020627d
commit 64b051cc38
2 changed files with 7 additions and 2 deletions
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7
cmd/ebitenmobile/gobind.go
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@ -419,11 +419,16 @@ public class EbitenView extends ViewGroup implements InputManager.InputDeviceLis
@Override @Override
public boolean onTouchEvent(MotionEvent e) { public boolean onTouchEvent(MotionEvent e) {
// getActionIndex returns a valid value only for the action whose index is the returned value of getActionIndex (#2220).
// See https://developer.android.com/reference/android/view/MotionEvent#getActionMasked().
// For other pointers, treat their actions as MotionEvent.ACTION_MOVE.
int touchIndex = e.getActionIndex();
for (int i = 0; i < e.getPointerCount(); i++) { for (int i = 0; i < e.getPointerCount(); i++) {
int id = e.getPointerId(i); int id = e.getPointerId(i);
int x = (int)e.getX(i); int x = (int)e.getX(i);
int y = (int)e.getY(i); int y = (int)e.getY(i);
Ebitenmobileview.updateTouchesOnAndroid(e.getActionMasked(), id, (int)pxToDp(x), (int)pxToDp(y)); int action = (i == touchIndex) ? e.getActionMasked() : MotionEvent.ACTION_MOVE;
Ebitenmobileview.updateTouchesOnAndroid(action, id, (int)pxToDp(x), (int)pxToDp(y));
} }
return true; return true;
} }

2
cmd/ebitenmobile/gobind.src.go
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