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using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
// 主相机
[ExecuteAlways]
public class MainCamera : SingletonMB<MainCamera>
{
#region inspector
[Serializable]
public struct Region
{
[SerializeField] public float l;
[SerializeField] public float r;
[SerializeField] public float t;
[SerializeField] public float b;
}
public new Camera camera { get; private set; }
public Vector3 offset = Vector3.zero;
[SerializeField] private float z;
[SerializeField] private Region region;
[SerializeField] private float moveSpeed;
[SerializeField] private AnimationCurve speedCurve;
[SerializeField] private float threshold;
#endregion
private LensEffectHandler m_LensEffectHandler;
public LensEffectHandler lensEffectHandler
{
get
{
if (m_LensEffectHandler == null)
m_LensEffectHandler = this.gameObject.GetOrAddComponent<LensEffectHandler>();
return m_LensEffectHandler;
}
}
private Vector2 position2D
{
get
{
return transform.position;
}
set
{
transform.position = new Vector3(value.x, value.y, transform.position.z);
}
}
private Vector3 position
{
get
{
return transform.position;
}
set
{
transform.position = value;
}
}
protected override void Awake()
{
base.Awake();
camera = gameObject.GetComponent<Camera>();
}
private void Start()
{
Vector3 pos = transform.position;
pos.z = this.z;
transform.position = pos;
Quaternion rot = Quaternion.LookRotation(Vector3.forward);
transform.rotation = rot;
}
void FollowPlayerCharacter()
{
if (UnitManager.Instance == null || UnitManager.Instance.pc == null)
return;
Region region = this.region;
//if (!UnitManager.Instance.pc.isTowardRight)
//{
// region.l = -this.region.r;
// region.r = -this.region.l;
//}
Vector3 camPos = position;
Vector3 worldPos = UnitManager.Instance.pc.transform.position + offset;
Vector2 viewPos = ((Vector2)camera.WorldToViewportPoint(worldPos)) * 2 - Vector2.one;
Vector3 dir = (worldPos - camPos).normalized;
float dest = (worldPos - camPos).magnitude;
float curve = speedCurve.Evaluate((threshold - Mathf.Clamp(dest, 0f, threshold)) / threshold);
Vector3 move = curve * dir * moveSpeed * Time.deltaTime;
if (IsInRegion(viewPos, region))
{
if(!IsInCenter(viewPos))
{
position2D = camPos + move;
if((worldPos - position).magnitude <= 0.1f)
{
position2D = worldPos;
}
}
return;
}
position2D = camPos + move;
if ((worldPos - position).magnitude <= 0.1f)
{
position2D = worldPos;
}
}
bool IsInRegion(Vector2 p, Region region)
{
return p.x > region.l
&& p.x < region.r
&& p.y > region.b
&& p.y < region.t;
}
bool IsInCenter(Vector2 p)
{
return p.x == (region.l + region.r) / 2 && p.y == (region.t + region.b) / 2;
}
void Update()
{
FollowPlayerCharacter();
}
public void OnGUI()
{
if(MainCameraDebug.OnGUIHandlers != null)
MainCameraDebug.OnGUIHandlers.Invoke();
}
}
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