/// <summary>
/// 拾取场景物体建立渲染批次
/// </summary>
/// <param name="staticOnly"></param>
/// <param name="ignoreSkinnedMeshRenderer"></param>
/// <returns></returns>
public static List <AOBakeBatch> CollectBatches(bool staticOnly, bool ignoreSkinnedMeshRenderer)
{
List <AOBakeBatch> batches = new List <AOBakeBatch>();
MeshRenderer[] mr = Object.FindObjectsOfType <MeshRenderer>();
for (int i = 0; i < mr.Length; i++)
{
if (staticOnly && !mr[i].gameObject.isStatic)
{
continue;
}
Material mat = mr[i].sharedMaterial;
if (mat && mat.renderQueue >= (int)RenderQueue.AlphaTest)
{
continue;
}
var batch = AOBakeBatch.CreateBatch(mr[i].gameObject);
if (batch != null)
{
batches.Add(batch);
}
}
if (!ignoreSkinnedMeshRenderer)
{
SkinnedMeshRenderer[] skmr = Object.FindObjectsOfType <SkinnedMeshRenderer>();
for (int i = 0; i < skmr.Length; i++)
{
if (staticOnly && !skmr[i].gameObject.isStatic)
{
continue;
}
Material mat = skmr[i].sharedMaterial;
if (mat && mat.renderQueue >= (int)RenderQueue.AlphaTest)
{
continue;
}
var batch = AOBakeBatch.CreateBatch(skmr[i].gameObject);
if (batch != null)
{
batches.Add(batch);
}
}
}
return(batches);
}
/// <summary>
/// 执行光纤追踪
/// </summary>
/// <param name="batch"></param>
/// <param name="vertexGroup"></param>
/// <param name="renderTarget"></param>
/// <param name="preTex"></param>
private void Raytracing(AOBakeBatch batch, AOBakeBatchVertexGroup vertexGroup, RenderTexture renderTarget, RenderTexture preTex)
{
m_BakeMaterial.SetTexture("_PreTex", preTex);//传入之前的结果，确保每次渲染都是基于之前的结果
m_BakeMaterial.SetVectorArray("_Vertices", vertexGroup.vertices);
m_BakeMaterial.SetFloat("_VertexCount", vertexGroup.vertexCount);
if (m_CurrentBatch != batch)
{
m_CurrentBatch = batch;
m_BakeMaterial.SetMatrix("_LocalToWorld", batch.localToWorld);
}
m_CommandBuffer.Clear();
m_CommandBuffer.ClearRenderTarget(true, true, new Color(0, 0, 0, 0));
m_CommandBuffer.SetRenderTarget(renderTarget);
m_CommandBuffer.DrawMesh(m_MeshFilter.sharedMesh, m_MeshFilter.transform.localToWorldMatrix, m_BakeMaterial, 0, 0);
}
