-
-
Save ktpttd/f25027afd4cf4cb926ecd06bb7dc3814 to your computer and use it in GitHub Desktop.
VERT- Field of view scaling for Unity3D cameras.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| using UnityEngine; | |
| using System.Collections; | |
| /** | |
| * This class attempts to force VERT- Field of view scaling. | |
| * By default, Unity uses the HOR+ technique. | |
| * | |
| * http://en.wikipedia.org/wiki/Field_of_view_in_video_games#Scaling_methods | |
| */ | |
| [ExecuteInEditMode] | |
| [RequireComponent (typeof(Camera))] | |
| public class VertMinusCameraFOV : MonoBehaviour { | |
| public float designTimeVerticalFieldOfView = 60; | |
| public int designTimeWidth = 1280; | |
| public int designTimeHeight = 720; | |
| private float hFOVInRads; | |
| private int prevWidth; | |
| private int prevHeight; | |
| void Start () { | |
| prevWidth = designTimeWidth; | |
| prevHeight = designTimeHeight; | |
| float aspectRatio = (float) designTimeWidth / (float) designTimeHeight; | |
| float vFOVInRads = designTimeVerticalFieldOfView * Mathf.Deg2Rad; | |
| hFOVInRads = 2f * Mathf.Atan( Mathf.Tan(vFOVInRads/2f) * aspectRatio); | |
| } | |
| void Update () { | |
| if (Screen.width != prevWidth || Screen.height != prevHeight) { | |
| float aspectRatio = (float) Screen.width / (float) Screen.height; | |
| float vFOVInRads = 2f * Mathf.Atan( Mathf.Tan(hFOVInRads/2f) / aspectRatio ); | |
| Debug.Log("Screen resolution change. Recomputing aspect ratio (" + aspectRatio + ") and field of view (" + vFOVInRads*Mathf.Rad2Deg + ")"); | |
| foreach (Camera cam in GameObject.FindObjectsOfType(typeof(Camera))) { | |
| cam.fieldOfView = vFOVInRads * Mathf.Rad2Deg; | |
| } | |
| } | |
| } | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment