54 lines
1.8 KiB
C#
54 lines
1.8 KiB
C#
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namespace PixelCamera
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{
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using UnityEngine;
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// How the game resolution is synchronized for different aspect ratios.
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public enum ResolutionSynchronizationMode
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{
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SetHeight,
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SetWidth,
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SetBoth
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}
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/// <summary>
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/// Utilities to help with creating render textures.
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/// </summary>
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public static class RenderTextureUtilities
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{
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/// <summary>
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/// Gets the texture resolution with the aspect ratio and resolution.
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/// </summary>
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public static Vector2Int TextureResultion(float aspect, Vector2Int resolution, ResolutionSynchronizationMode resolutionSynchronizationMode)
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{
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return resolutionSynchronizationMode switch
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{
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ResolutionSynchronizationMode.SetHeight => new Vector2Int(Mathf.RoundToInt(resolution.y * aspect), resolution.y),
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ResolutionSynchronizationMode.SetWidth => new Vector2Int(resolution.x, Mathf.RoundToInt(resolution.x / aspect)),
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ResolutionSynchronizationMode.SetBoth => new Vector2Int(resolution.x, resolution.y),
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_ => Vector2Int.one,
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};
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}
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/// <summary>
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/// Creates a new render texture of the correct size.
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/// </summary>
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/// <returns>The created render texture and null if failed.</returns>
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public static RenderTexture CreateRenderTexture(Vector2Int textureSize)
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{
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var newTexture = new RenderTexture(textureSize.x, textureSize.y, 32, RenderTextureFormat.ARGB32)
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{
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filterMode = FilterMode.Point
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};
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if (newTexture.Create())
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{
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return newTexture;
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}
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else
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{
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return null;
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}
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}
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}
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}
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