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37 行
1.2 KiB
37 行
1.2 KiB
using UnityEngine;
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//using System;
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/// A Utility class for performing various image based rendering tasks.
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[AddComponentMenu("")]
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public class ImageEffects
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{
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public static void RenderDistortion(Material material, RenderTexture source, RenderTexture destination, float angle, Vector2 center, Vector2 radius)
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{
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bool invertY = source.texelSize.y < 0.0f;
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if (invertY)
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{
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center.y = 1.0f - center.y;
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angle = -angle;
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}
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Matrix4x4 rotationMatrix = Matrix4x4.TRS(Vector3.zero, Quaternion.Euler(0, 0, angle), Vector3.one);
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material.SetMatrix("_RotationMatrix", rotationMatrix);
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material.SetVector("_CenterRadius", new Vector4(center.x, center.y, radius.x, radius.y));
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material.SetFloat("_Angle", angle * Mathf.Deg2Rad);
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Graphics.Blit(source, destination, material);
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}
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[System.Obsolete("Use Graphics.Blit(source,dest) instead")]
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public static void Blit(RenderTexture source, RenderTexture dest)
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{
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Graphics.Blit(source, dest);
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}
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[System.Obsolete("Use Graphics.Blit(source, destination, material) instead")]
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public static void BlitWithMaterial(Material material, RenderTexture source, RenderTexture dest)
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{
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Graphics.Blit(source, dest, material);
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}
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}
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