void OnPostRender()
{
if (!CheckResources())
{
return;
}
Camera cam = Camera.main;
if (cam == null)
{
return;
}
//NOTE kind of overkill for just 2 volumes... but keeps it together
_volumesData[0].WorldToLocal = volumeATransform.worldToLocalMatrix;
_volumesData[0].Extents = volumeA.bounds.extents;
_volumesData[1].WorldToLocal = volumeBTransform.worldToLocalMatrix;
_volumesData[1].Extents = volumeB.bounds.extents;
// Note: Assuming sphere and box are children!
// If using single game object then scale is applied to bounds and localmatrix meaning its applied twice in shader!
// Sphere
_volumesData[2].WorldToLocal = sphere.worldToLocalMatrix;
_volumesData[2].Extents = sphere.GetChild(0).GetComponent <MeshRenderer>().bounds.extents;
// Box
_volumesData[3].WorldToLocal = box.worldToLocalMatrix;
_volumesData[3].Extents = box.GetChild(0).GetComponent <MeshRenderer>().bounds.extents;
_volumes.SetData(_volumesData);
AVolumeUtils.SetupRaymarchingMatrix(cam.fieldOfView, cam.worldToCameraMatrix, new Vector2(cam.pixelWidth, cam.pixelHeight));
_cmd.Clear();
_cmd.SetGlobalVector("_BlitScaleBiasRt", new Vector4(1f, 1f, 0f, 0f));
_cmd.SetGlobalVector("_BlitScaleBias", new Vector4(1f, 1f, 0f, 0f));
_cmd.SetGlobalBuffer("_VolumeBuffer", _volumes);
_cmd.SetGlobalTexture("_VolumeATex", volumeA.sdfTexture);
_cmd.SetGlobalTexture("_VolumeBTex", volumeB.sdfTexture);
Vector4 sphereData = sphere.transform.position;
sphereData.w = sphereRadius;
_cmd.SetGlobalVector("_Sphere", sphereData);
Vector4 boxData = box.transform.position;
boxData.w = boxSize;
_cmd.SetGlobalVector("_Box", boxData);
_cmd.DrawProcedural(Matrix4x4.identity, _material, 0, MeshTopology.Quads, 4, 1);
Graphics.ExecuteCommandBuffer(_cmd);
}
private void OnRenderObject()
{
if (data == null || data.sdfTexture == null)
{
return;
}
//render preview - only for testing!
//try to get active camera...
Camera cam = Camera.main;
#if UNITY_EDITOR
if (UnityEditor.SceneView.lastActiveSceneView != null)
{
cam = UnityEditor.SceneView.lastActiveSceneView.camera;
}
#endif
if (_material == null)
{
Shader shader = Shader.Find("XRA/SDFr");
if (shader != null)
{
_material = new Material(shader);
}
}
if (_material == null)
{
return;
}
CommandBuffer _cmd = new CommandBuffer();
_material.SetTexture("_SDFVolumeTex", data.sdfTexture);
_material.SetVector("_SDFVolumeExtents", Vector3.one * 0.5f);
//_material.SetMatrix(_SDFVolumeLocalToWorld, _volume.LocalToWorldNoScale);
_material.SetMatrix("_SDFVolumeWorldToLocal", volMatrixLocalToWorld.inverse);
//_material.SetFloat(_SDFVolumeFlip, flip ? -1f : 1f);
_material.SetVector("_BlitScaleBiasRt", new Vector4(1f, 1f, 0f, 0f));
_material.SetVector("_BlitScaleBias", new Vector4(1f, 1f, 0f, 0f));
_material.SetFloat("_SDFPreviewEpsilon", epsilon);
_material.SetFloat("_SDFPreviewNormalDelta", normalDelta);
AVolumeUtils.SetupRaymarchingMatrix(
cam.fieldOfView,
cam.worldToCameraMatrix,
new Vector2(cam.pixelWidth, cam.pixelHeight));
_cmd.DrawProcedural(Matrix4x4.identity, _material, 0, MeshTopology.Quads, 4, 1);
Graphics.ExecuteCommandBuffer(_cmd);
_cmd.Release();
}
void OnPostRender()
{
if (!CheckResources())
{
return;
}
Camera cam = Camera.main;
if (cam == null)
{
return;
}
//NOTE kind of overkill for just 2 volumes... but keeps it together
_volumesData[0].WorldToLocal = volumeATransform.worldToLocalMatrix;
_volumesData[0].Extents = volumeA.bounds.extents;
_volumesData[1].WorldToLocal = volumeBTransform.worldToLocalMatrix;
_volumesData[1].Extents = volumeB.bounds.extents;
_volumes.SetData(_volumesData);
AVolumeUtils.SetupRaymarchingMatrix(cam.fieldOfView, cam.worldToCameraMatrix, new Vector2(cam.pixelWidth, cam.pixelHeight));
_cmd.Clear();
_cmd.SetGlobalVector("_BlitScaleBiasRt", new Vector4(1f, 1f, 0f, 0f));
_cmd.SetGlobalVector("_BlitScaleBias", new Vector4(1f, 1f, 0f, 0f));
_cmd.SetGlobalBuffer("_VolumeBuffer", _volumes);
_cmd.SetGlobalTexture("_VolumeATex", volumeA.sdfTexture);
_cmd.SetGlobalTexture("_VolumeBTex", volumeB.sdfTexture);
Vector4 sphereData = sphere.transform.position;
sphereData.w = sphereRadius;
_cmd.SetGlobalVector("_Sphere", sphereData);
Vector4 boxData = box.transform.position;
boxData.w = boxSize;
_cmd.SetGlobalVector("_Box", boxData);
_cmd.DrawProcedural(Matrix4x4.identity, _material, 0, MeshTopology.Quads, 4, 1);
Graphics.ExecuteCommandBuffer(_cmd);
}