如何將游戲物件（紅球）保持在圓圈內且不超出圓圈。
uj5u.com熱心網友回復：
也許你可以試試這個，讓紅色保持在圓圈內。
float radius = 100; //radius of white circle
Vector3 whiteCenter = circle.transform.position; //center of white circle
float distance = Vector3.Distance(Red.transform.position, whitePosition);
if (distance > radius){
Red.transform.position = whiteCenter;
}
如果你想限制圓周運動
if (distance > radius){
Vector3 fromOrigintoObject = player.position - whiteCenter;
fromOrigintoObject *= radius / dist;
player.position = whiteCenter fromOrigintoObject;
Red.transform.position = player.position;
}
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