//获取物体的实际尺寸
public static Vector3 GetTrueSize(Transform tran, W_SizeMode sizeMode = W_SizeMode.根据collider)
{
Vector3 size = new Vector3(0, 0, 0);
if (sizeMode == W_SizeMode.根据collider)
{
bool haveBoxcollider = true;
if (null == tran.GetComponent <BoxCollider>())
{
haveBoxcollider = false;
tran.gameObject.AddComponent <BoxCollider>();
}
BoxCollider box = tran.GetComponent <BoxCollider>();
size = box.bounds.size;
if (!haveBoxcollider)
{
GameObject.DestroyImmediate(box);
}
}
else
{
MeshFilter mesh = tran.GetComponent <MeshFilter>();
size = mesh.mesh.bounds.size;
}
return(size);
}
//根据物体的大小创建一个cube等
public static GameObject SetupGameobjectBySize(Transform tran, string addName, PrimitiveType meshType = PrimitiveType.Cube, W_SizeMode sizeMode = W_SizeMode.根据collider)
{
Vector3 size = GetTrueSize(tran, sizeMode);
GameObject go = GameObject.CreatePrimitive(meshType);
if (meshType == PrimitiveType.Cube)
{
go.transform.localScale = size;
}
else if (meshType == PrimitiveType.Sphere || meshType == PrimitiveType.Capsule)
{
float maxAxis = Mathf.Max(size.x, size.y, size.z);
go.transform.localScale = new Vector3(maxAxis, maxAxis, maxAxis);
}
go.transform.SetParent(tran);
go.transform.localPosition = new Vector3(0, 0, 0);
go.name = tran.name + addName;
return(go);
}
