- (void) touchesBegan:(NSSet*)touches withEvent:(UIEvent*)event {
UITouch*touch = [touchesanyObject];
CGPoint touchLocation = [touchlocationInView:self.view];
CGRect bugRect = [bugframe];
// CGRect bugRect = [[[bug layer] presentationLayer] frame];
if(CGRectContainsPoint(bugRect, touchLocation)) {
NSLog(@"tapped!");
}else{
NSLog(@"not tapped.");
return;
}