TaiZhouChangChu/Assets/Teleport Effect/Scrpt/CameraHolder.cs

86 lines
2.4 KiB
C#

using System.Collections;
using System.Collections.Generic;
using System.Runtime.Serialization.Formatters;
using System;
using UnityEngine;
public class CameraHolder : MonoBehaviour
{
//camera holder
public Transform Holder;
public float currDistance = 5.0f;
public float xRotate = 250.0f;
public float yRotate = 120.0f;
public float yMinLimit = -20f;
public float yMaxLimit = 80f;
public float prevDistance;
private float x = 0.0f;
private float y = 0.0f;
//GUI
void Start ()
{
var angles = transform.eulerAngles;
x = angles.y;
y = angles.x;
}
void LateUpdate ()
{
if (currDistance < 2)
{
currDistance = 2;
}
currDistance -= Input.GetAxis("Mouse ScrollWheel") * 20;
if (Holder && (Input.GetMouseButton(0) || Input.GetMouseButton(1)))
{
var pos = Input.mousePosition;
float dpiScale = 1;
if (Screen.dpi < 1) dpiScale = 1;
if (Screen.dpi < 200) dpiScale = 1;
else dpiScale = Screen.dpi / 200f;
if (pos.x < 380 * dpiScale && Screen.height - pos.y < 250 * dpiScale) return;
Cursor.visible = false;
Cursor.lockState = CursorLockMode.Locked;
x += (float)(Input.GetAxis("Mouse X") * xRotate * 0.02);
y -= (float)(Input.GetAxis("Mouse Y") * yRotate * 0.02);
y = ClampAngle(y, yMinLimit, yMaxLimit);
var rotation = Quaternion.Euler(y, x, 0);
var position = rotation * new Vector3(0, 0, -currDistance) + Holder.position;
transform.rotation = rotation;
transform.position = position;
}
else
{
Cursor.visible = true;
Cursor.lockState = CursorLockMode.None;
}
if (prevDistance != currDistance)
{
prevDistance = currDistance;
var rot = Quaternion.Euler(y, x, 0);
var po = rot * new Vector3(0, 0, -currDistance) + Holder.position;
transform.rotation = rot;
transform.position = po;
}
}
static float ClampAngle(float angle, float min, float max)
{
if (angle < -360)
{
angle += 360;
}
if (angle > 360)
{
angle -= 360;
}
return Mathf.Clamp(angle, min, max);
}
}