rabidus-test/Assets/PolyFew/demo/Scripts/FlyCamera.cs

106 lines
2.5 KiB
C#

using UnityEngine;
namespace BrainFailProductions.PolyFewRuntime
{
public class FlyCamera : MonoBehaviour
{
public Transform target;
public float distance = 5.0f;
public float xSpeed = 120.0f;
public float ySpeed = 120.0f;
public float panSpeed = 0.05f;
public float yMinLimit = -20f;
public float yMaxLimit = 80f;
public float distanceMin = .5f;
public float distanceMax = 15f;
#pragma warning disable
private Rigidbody rigidbody;
float x = 0.0f;
float y = 0.0f;
public static bool deactivated = false;
// Use this for initialization
void Start()
{
Vector3 angles = transform.eulerAngles;
x = angles.y;
y = angles.x;
rigidbody = GetComponent<Rigidbody>();
// Make the rigid body not change rotation
if (rigidbody != null)
{
rigidbody.freezeRotation = true;
}
}
void Update()
{
if (deactivated) { return; }
if (target)
{
float mouseX = Input.GetAxis("Mouse X");
float mouseY = Input.GetAxis("Mouse Y");
if (!Input.GetMouseButton(0))
{
mouseX = 0;
mouseY = 0;
}
x += mouseX * xSpeed * distance * 0.02f;
y -= mouseY * ySpeed * 0.02f;
y = ClampAngle(y, yMinLimit, yMaxLimit);
Quaternion rotation = Quaternion.Euler(y, x, 0);
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.position = position;
transform.rotation = rotation;
}
}
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);
}
}
}