powerfun-unity/Assets/Scripts/UI/Prefab/BigMap/CameraRectAutoFit.cs

45 lines
1.3 KiB
C#

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class CameraRectAutoFit : MonoBehaviour
{
float targetaspect = 16.0f / 9.0f;
// Start is called before the first frame update
void Start()
{
// determine the game window's current aspect ratio
float windowaspect = (float)Screen.width / (float)Screen.height;
// current viewport height should be scaled by this amount
float scaleheight = windowaspect / targetaspect;
// obtain camera component so we can modify its viewport
Camera camera = Camera.main;
// if scaled height is less than current height, add letterbox
if (scaleheight <= 1.0f)
{
Rect rect = camera.rect;
rect.width = 1.0f;
rect.height = scaleheight;
rect.x = 0;
rect.y = (1.0f - scaleheight) / 2.0f;
camera.rect = rect;
}
else // add pillarbox
{
float scalewidth = 1.0f / scaleheight;
Rect rect = camera.rect;
rect.width = scalewidth;
rect.height = 1.0f;
rect.x = (1.0f - scalewidth) / 2.0f;
rect.y = 0;
camera.rect = rect;
}
}
// Update is called once per frame
void Update()
{
}
}