66 lines
2.0 KiB
C#
66 lines
2.0 KiB
C#
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namespace PixelCamera
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{
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using UnityEngine;
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/// <summary>
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/// The upscaled canvas which displays the game camera render.
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/// </summary>
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[ExecuteInEditMode]
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public class UpscaledCanvas : MonoBehaviour
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{
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const string materialVariableName = "_LowResTexture";
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Material canvasMaterial;
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void OnEnable()
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{
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this.Initialize();
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}
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/// <summary>
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/// Initializes the upscaled canvas.
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/// </summary>
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void Initialize()
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{
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if (!this.TryGetComponent<MeshRenderer>(out var meshRenderer))
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{
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Debug.LogError("MeshRenderer is required!");
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}
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else
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{
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this.canvasMaterial = meshRenderer.sharedMaterial;
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if (this.canvasMaterial == null)
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{
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Debug.LogError("canvasMaterial is null. Set it in the MeshRenderer!");
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}
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}
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if (this.transform.parent.localScale != Vector3.one)
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{
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Debug.LogWarning("The Upscaled Display localScale should be Vector3.one. Changing the local scale!");
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this.transform.parent.localScale = Vector3.one;
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}
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}
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/// <summary>
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/// If the material has a render texture defined.
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/// </summary>
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public bool MaterialHasRenderTexture => this.canvasMaterial.HasProperty(materialVariableName);
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/// <summary>
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/// Resize the canvas to the provided aspect and height.
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/// </summary>
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public void ResizeCanvas(float aspect, float canvasHeight)
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{
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this.transform.localScale = new Vector3(canvasHeight * aspect, canvasHeight, 1f);
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}
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/// <summary>
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/// Sets the canvas render texture.
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/// </summary>
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public void SetCanvasRenderTexture(RenderTexture renderTexture)
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{
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this.canvasMaterial.SetTexture(materialVariableName, renderTexture);
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}
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}
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}
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