69 lines
1.7 KiB
C#
69 lines
1.7 KiB
C#
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using UnityEngine;
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using System.Collections;
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namespace MoreMountains.Tools
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{
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[RequireComponent(typeof(Camera))]
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/// <summary>
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/// Forces an aspect ratio on a camera
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/// </summary>
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[AddComponentMenu("More Mountains/Tools/Camera/MMCameraAspectRatio")]
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public class MMCameraAspectRatio : MonoBehaviour
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{
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/// the desired aspect ratio
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public Vector2 AspectRatio = Vector2.zero;
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protected Camera _camera;
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/// <summary>
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/// On Start, we run the Initialization method
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/// </summary>
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protected virtual void Start ()
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{
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Initialization ();
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}
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/// <summary>
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/// Checks the presence of a camera component, and applies the aspect ratio to it
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/// </summary>
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protected virtual void Initialization()
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{
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if (AspectRatio == Vector2.zero)
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{
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return;
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}
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_camera = this.gameObject.GetComponent<Camera> ();
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if (_camera == null)
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{
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return;
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}
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float newAspectRatio = AspectRatio.x / AspectRatio.y;
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float currentWindowAspectRatio = (float)Screen.width / (float)Screen.height;
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float newScaleHeight = currentWindowAspectRatio / newAspectRatio;
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if (newScaleHeight >= 1.0f)
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{
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float scalewidth = 1.0f / newScaleHeight;
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Rect rectangle = _camera.rect;
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rectangle.width = scalewidth;
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rectangle.height = 1.0f;
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rectangle.x = (1.0f - scalewidth) / 2.0f;
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rectangle.y = 0;
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_camera.rect = rectangle;
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}
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else
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{
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Rect rectangle = _camera.rect;
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rectangle.width = 1.0f;
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rectangle.height = newScaleHeight;
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rectangle.x = 0;
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rectangle.y = (1.0f - newScaleHeight) / 2.0f;
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_camera.rect = rectangle;
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}
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}
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}
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}
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