70 lines
2.5 KiB
C#
70 lines
2.5 KiB
C#
using UnityEngine;
|
|
using System.Collections;
|
|
[AddComponentMenu("Camera-Control/Mouse drag Orbit with zoom")]
|
|
public class PolygonOrbit : MonoBehaviour
|
|
{
|
|
public Transform target;
|
|
public float distance = 5.0f;
|
|
public float xSpeed = 120.0f;
|
|
public float ySpeed = 120.0f;
|
|
public float yMinLimit = -20f;
|
|
public float yMaxLimit = 80f;
|
|
public float distanceMin = .5f;
|
|
public float distanceMax = 15f;
|
|
public float smoothTime = 2f;
|
|
float rotationYAxis = 0.0f;
|
|
float rotationXAxis = 0.0f;
|
|
float velocityX = 0.0f;
|
|
float velocityY = 0.0f;
|
|
// Use this for initialization
|
|
void Start()
|
|
{
|
|
Vector3 angles = transform.eulerAngles;
|
|
rotationYAxis = angles.y;
|
|
rotationXAxis = angles.x;
|
|
// Make the rigid body not change rotation
|
|
if (GetComponent<Rigidbody>())
|
|
{
|
|
GetComponent<Rigidbody>().freezeRotation = true;
|
|
}
|
|
}
|
|
void LateUpdate()
|
|
{
|
|
if (target)
|
|
{
|
|
if (Input.GetMouseButton(1))
|
|
{
|
|
velocityX += xSpeed * Input.GetAxis("Mouse X") * distance * 0.02f;
|
|
velocityY += ySpeed * Input.GetAxis("Mouse Y") * 0.02f;
|
|
}
|
|
rotationYAxis += velocityX;
|
|
rotationXAxis -= velocityY;
|
|
rotationXAxis = ClampAngle(rotationXAxis, yMinLimit, yMaxLimit);
|
|
//Quaternion fromRotation = Quaternion.Euler(transform.rotation.eulerAngles.x, transform.rotation.eulerAngles.y, 0);
|
|
Quaternion toRotation = Quaternion.Euler(rotationXAxis, rotationYAxis, 0);
|
|
Quaternion rotation = toRotation;
|
|
|
|
distance = Mathf.Clamp(distance - Input.GetAxis("Mouse ScrollWheel") * 5, distanceMin, distanceMax);
|
|
RaycastHit hit;
|
|
if (Physics.Linecast(target.position, transform.position, out hit))
|
|
{
|
|
distance -= hit.distance;
|
|
}
|
|
Vector3 negDistance = new Vector3(0.0f, 0.0f, -distance);
|
|
Vector3 position = rotation * negDistance + target.position;
|
|
|
|
transform.rotation = rotation;
|
|
transform.position = position;
|
|
velocityX = Mathf.Lerp(velocityX, 0, Time.deltaTime * smoothTime);
|
|
velocityY = Mathf.Lerp(velocityY, 0, Time.deltaTime * smoothTime);
|
|
}
|
|
}
|
|
public static float ClampAngle(float angle, float min, float max)
|
|
{
|
|
if (angle < -360F)
|
|
angle += 360F;
|
|
if (angle > 360F)
|
|
angle -= 360F;
|
|
return Mathf.Clamp(angle, min, max);
|
|
}
|
|
} |