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我想弄清楚如何做到這一點,以便當我移動一個物體時,我並不是將它「保持」在物體的中心,而是朝向左側或右側。這是到目前爲止我的代碼...iPhone SDK觸摸感動?
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(void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event{
UITouch *myTouch = [[event allTouches] anyObject];
image1.center = [myTouch locationInView:self.view];
image1.image = [UIImage imageNamed:@"image1.png"];
}
我猜想這是因爲image1.center的,但如何讓這個它被感動別的地方,不是中心?