当用户倾斜设备时,我正在用简单的播放器移动来练习SpriteKit。然而,我希望播放器不能离开屏幕,但当我尝试将y位置更改为frame.MaxY(或minY)时,它就会继续运行。下面的代码是我在update函数中调用的代码。
if let accelerometerData = motionManager.accelerometerData {
player.position.y += CGFloat(accelerometerData.acceleration.x * 50)
if(player.position.y < frame.minY) {
player.position.y = frame.minY
} else if(player.position.y > frame.maxY) {
player.position.y = frame.maxY
}
}
发布于 2021-03-05 19:37:32
像这样考虑播放器的大小(伪代码)
if let accelerometerData = motionManager.accelerometerData {
player.position.y += CGFloat(accelerometerData.acceleration.x * 50)
if (player.position.y < frame.minY) {
player.position.y = frame.minY // <- maybe need some adjustment here too
} else if(player.position.y > frame.maxY - player.size.height) {
player.position.y = frame.maxY - player.size.height
}
}
https://stackoverflow.com/questions/66498368
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