[英]How can I make an object to face the direction it's moving like the birds at angry birds 2?
[英]How do I make a 2D object face the direction it is moving like drifting
如上圖所示,我有兩個GameObject
:汽車和圓圈。 汽車跟隨圓圈,圓圈隨光標移動。 目前,我的汽車正在遠處追隨圓。 當圓沿x軸移動時,我想像漂移一樣旋轉汽車。
這是我的汽車跟隨腳本:
public class Follow : MonoBehaviour
{
public Transform leader;
public float followSharpness = 0.1f;
Vector3 _followOffset;
void Start()
{
// Cache the initial offset at time of load/spawn:
_followOffset = transform.position - leader.position;
}
void LateUpdate()
{
// Apply that offset to get a target position.
Vector3 targetPosition = leader.position + _followOffset;
//GetComponent<Rigidbody2D>().rotation = 1.5f;
// Keep our y position unchanged.
//targetPosition.y = transform.position.y;
// Smooth follow.
transform.position += (targetPosition - transform.position) * followSharpness;
}
}
您可以嘗試使用Transform.LookAt :
void LateUpdate()
{
Vector3 targetPosition = leader.position + _followOffset;
transform.position += (targetPosition - transform.position) * followSharpness;
transform.LookAt(leader);
}
免責聲明:我目前無法測試此代碼是否有效,您必須嘗試一下它,看看它是否產生期望的結果。
因此,根據您所描述的,是要讓汽車始終面向光標,因此它始終“看着”光標,這是您可以執行的操作:
Vector3 diff = Camera.main.ScreenToWorldPoint(Input.mousePosition) - transform.position;
diff.Normalize();
float rot_z = Mathf.Atan2(diff.y, diff.x) * Mathf.Rad2Deg;
transform.rotation = Quaternion.Euler(0f, 0f, rot_z - 90);
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