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facybenbook/CausticsPass.cs

Created May 3, 2022 08:51
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Caustics pass for setting the light direction
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CausticsPass.cs
using UnityEngine;
using UnityEngine.Rendering;
using UnityEngine.Rendering.Universal;
public class CausticsPass : ScriptableRenderPass
{
private CausticsFeature.CausticsSettings settings;
public CausticsPass(CausticsFeature.CausticsSettings settings)
{
this.settings = settings;
renderPassEvent = settings.renderPassEvent;
}
public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
{
var cam = renderingData.cameraData.camera;
if (cam.cameraType == CameraType.Preview || !settings.causticsMaterial) return;
var sunMatrix = RenderSettings.sun != null
? RenderSettings.sun.transform.localToWorldMatrix
: Matrix4x4.TRS(Vector3.zero, Quaternion.Euler(-45f, 45f, 0f), Vector3.one);
settings.causticsMaterial.SetMatrix("_MainLightDirection", sunMatrix);
}
}
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