public class FollowMouseMove : MonoBehaviour
{
private float FollowPosx,FollowPosy;
private float moveAmount=5f; //鼠标控制镜头的移动速度,镜头的移动速度应该跟摄像头的尺寸相关
private float ScrollWheelSpeed = 5f; //滚轮控制镜头的缩放速度
private float Posx_max = 10; //控制镜头x的最大尺寸，设置摄像头可查看范围
private float Posy_max = 10; //控制镜头y的最大尺寸
private float ScrollWheel_max = 50; //滚轮控制镜头的最大缩放
private float ScrollWheel_min = 5; //滚轮控制镜头的最小缩放
// Update is called once per frame
void Update()
{
float Camer_Size = Camera.main.orthographicSize;
moveAmount = Camer_Size / 2; //控制镜头的移动速度和摄像头尺寸的关系，使其越大移动的越快
if (Input.mousePosition.y >= Screen.height * 0.9 | Input.GetKey(KeyCode.W) )//如果鼠标位置在顶部，就向上移动
{
FollowPosy += moveAmount * Time.deltaTime;
}
if (Input.mousePosition.y <= Screen.height * 0.1 | Input.GetKey(KeyCode.S) )//如果鼠标位置在底部，就向下移动
{
FollowPosy -= moveAmount * Time.deltaTime;
}
if (Input.mousePosition.x >= Screen.width * 0.9 | Input.GetKey(KeyCode.D) )//如果鼠标位置在右侧，就向右移动
{
FollowPosx += moveAmount * Time.deltaTime;
}
if(Input.mousePosition.x <= Screen.width * 0.1 | Input.GetKey(KeyCode.A) ) //如果鼠标位置在左侧，就向左移动
{
FollowPosx -= moveAmount * Time.deltaTime;
}
//设置摄像头的可查看范围
FollowPosx = Mathf.Clamp(FollowPosx, -Posx_max, Posx_max);
FollowPosy = Mathf.Clamp(FollowPosy, -Posy_max, Posy_max);
//调用坐标变换
Camera.main.transform.position = new Vector3(FollowPosx, FollowPosy, 0);
if (Input.GetAxis("Mouse ScrollWheel") != 0)
{
//限制size缩放大小
Camera.main.orthographicSize = Mathf.Clamp(Camera.main.orthographicSize, ScrollWheel_min, ScrollWheel_max);
//滚轮改变缩放
Camera.main.orthographicSize = Camera.main.orthographicSize - Input.GetAxis("Mouse ScrollWheel") * ScrollWheelSpeed;
}
}
}
El código anterior configura la cámara para mover la cámara de acuerdo con el mouse o WASD.