135 lines
4.5 KiB
C#
135 lines
4.5 KiB
C#
// Curved World <http://u3d.as/1W8h>
|
|
// Copyright (c) Amazing Assets <https://amazingassets.world>
|
|
|
|
using UnityEngine;
|
|
|
|
|
|
namespace AmazingAssets.CurvedWorld
|
|
{
|
|
[AddComponentMenu("Amazing Assets/Curved World/Camera")]
|
|
[ExecuteAlways]
|
|
[RequireComponent(typeof(Camera))]
|
|
public class CurvedWorldCamera : MonoBehaviour
|
|
{
|
|
public enum MatrixType { Perspective, Orthographic }
|
|
|
|
|
|
public MatrixType matrixType = MatrixType.Perspective;
|
|
[Range(1, 179)]
|
|
public float fieldOfView = 60;
|
|
public float size = 5;
|
|
public bool nearClipPlaneSameAsCamera = true;
|
|
public float nearClipPlane = 0.3f;
|
|
|
|
Camera activeCamera;
|
|
|
|
public bool drawGizmos;
|
|
|
|
|
|
private void OnEnable()
|
|
{
|
|
if (activeCamera == null)
|
|
activeCamera = GetComponent<Camera>();
|
|
}
|
|
private void OnDisable()
|
|
{
|
|
if (activeCamera != null)
|
|
activeCamera.ResetCullingMatrix();
|
|
}
|
|
private void Start()
|
|
{
|
|
if (activeCamera == null)
|
|
activeCamera = GetComponent<Camera>();
|
|
}
|
|
private void Update()
|
|
{
|
|
if (activeCamera == null)
|
|
activeCamera = GetComponent<Camera>();
|
|
|
|
if (activeCamera == null)
|
|
{
|
|
enabled = false;
|
|
return;
|
|
}
|
|
|
|
|
|
if (nearClipPlane >= activeCamera.farClipPlane)
|
|
nearClipPlane = activeCamera.farClipPlane - 0.01f;
|
|
|
|
|
|
if (matrixType == MatrixType.Perspective)
|
|
{
|
|
fieldOfView = Mathf.Clamp(fieldOfView, 1, 179);
|
|
activeCamera.cullingMatrix = Matrix4x4.Perspective(fieldOfView, 1, activeCamera.nearClipPlane, activeCamera.farClipPlane) * activeCamera.worldToCameraMatrix;
|
|
}
|
|
else
|
|
{
|
|
size = size < 1 ? 1 : size;
|
|
activeCamera.cullingMatrix = Matrix4x4.Ortho(-size, size, -size, size, (nearClipPlaneSameAsCamera ? activeCamera.nearClipPlane : nearClipPlane), activeCamera.farClipPlane) * activeCamera.worldToCameraMatrix;
|
|
}
|
|
}
|
|
private void Reset()
|
|
{
|
|
if (activeCamera != null)
|
|
{
|
|
activeCamera.ResetCullingMatrix();
|
|
|
|
fieldOfView = activeCamera.fieldOfView;
|
|
size = activeCamera.orthographicSize;
|
|
nearClipPlane = activeCamera.nearClipPlane;
|
|
}
|
|
}
|
|
|
|
private void OnDrawGizmos()
|
|
{
|
|
if (activeCamera == null || drawGizmos == false)
|
|
return;
|
|
|
|
|
|
Gizmos.color = Color.magenta * 0.85f;
|
|
|
|
if (matrixType == MatrixType.Perspective)
|
|
{
|
|
Gizmos.matrix = transform.localToWorldMatrix;
|
|
Gizmos.DrawFrustum(Vector3.zero, fieldOfView, activeCamera.farClipPlane, activeCamera.nearClipPlane, 1);
|
|
}
|
|
else
|
|
{
|
|
//Top
|
|
Vector3 c = transform.position + transform.forward * (nearClipPlaneSameAsCamera ? activeCamera.nearClipPlane : nearClipPlane);
|
|
|
|
Vector3 t1 = c + transform.up * size - transform.right * size;
|
|
Vector3 t2 = c + transform.up * size + transform.right * size;
|
|
Vector3 t3 = c - transform.up * size - transform.right * size;
|
|
Vector3 t4 = c - transform.up * size + transform.right * size;
|
|
|
|
Gizmos.DrawLine(t1, t2);
|
|
Gizmos.DrawLine(t2, t4);
|
|
Gizmos.DrawLine(t3, t4);
|
|
Gizmos.DrawLine(t3, t1);
|
|
|
|
|
|
//Bottom
|
|
c = transform.position + transform.forward * activeCamera.farClipPlane;
|
|
|
|
Vector3 b1 = c + transform.up * size - transform.right * size;
|
|
Vector3 b2 = c + transform.up * size + transform.right * size;
|
|
Vector3 b3 = c - transform.up * size - transform.right * size;
|
|
Vector3 b4 = c - transform.up * size + transform.right * size;
|
|
|
|
Gizmos.DrawLine(b1, b2);
|
|
Gizmos.DrawLine(b2, b4);
|
|
Gizmos.DrawLine(b3, b4);
|
|
Gizmos.DrawLine(b3, b1);
|
|
|
|
|
|
//Connection
|
|
Gizmos.DrawLine(t1, b1);
|
|
Gizmos.DrawLine(t2, b2);
|
|
Gizmos.DrawLine(t3, b3);
|
|
Gizmos.DrawLine(t4, b4);
|
|
}
|
|
}
|
|
}
|
|
}
|