Question

所以我试图让我的坦克炮塔上的枪指向屏幕的中心，就像在坦克世界里，你的枪指向的十字准线和中心的十字准线的屏幕。

问题在于枪支十字准线是枪支的世界空间中的UI图像，与图像中的大十字准线的屏幕中心完全对齐[在此输入图像描述] [1]

编辑：这样可行但是如何将其更改为x轴？

public class CenterCursor : MonoBehaviour
{
// speed is the rate at which the object will rotate
public float speed;

void FixedUpdate()
{

    // Generate a plane that intersects the transform's position with an upwards normal.
    Plane playerPlane = new Plane(Vector3.up, transform.position);

    // Generate a ray from the cursor position
    Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);

    // Determine the point where the cursor ray intersects the plane.
    // This will be the point that the object must look towards to be looking at the mouse.
    // Raycasting to a Plane object only gives us a distance, so we'll have to take the distance,
    //   then find the point along that ray that meets that distance.  This will be the point
    //   to look at.
    float hitdist = 0.0f;
    // If the ray is parallel to the plane, Raycast will return false.
    if (playerPlane.Raycast(ray, out hitdist))
    {
        // Get the point along the ray that hits the calculated distance.
        Vector3 targetPoint = ray.GetPoint(hitdist);


        // Determine the target rotation.  This is the rotation if the transform looks at the target point.
        Quaternion targetRotation = Quaternion.LookRotation( targetPoint - transform.position);

        // Smoothly rotate towards the target point.
        transform.rotation = Quaternion.Slerp(transform.rotation, targetRotation, speed * Time.deltaTime);
    }
}

Answer 1

您也可以尝试将您的炮塔对象作为相机对象的孩子......

如何使用屏幕空间十字准线制作世界空间UI十字线？

1 个答案: