public RenderTexture GetBrushMask(FilterContext filterContext, RenderTexture heightContext)
{
rtc.AddRenderTexture(0, "heightMap", GraphicsFormat.R16_SFloat);
rtc.AddRenderTexture(1, "output", GraphicsFormat.R16_SFloat);
filterContext.renderTextureCollection = rtc;
filterContext.properties.Add("brushRotation", brushRotation);
filterContext.properties.Add("terrainScale", Mathf.Sqrt(filterContext.terrain.terrainData.size.x * filterContext.terrain.terrainData.size.x + filterContext.terrain.terrainData.size.z * filterContext.terrain.terrainData.size.z));
filterContext.renderTextureCollection.GatherRenderTextures(heightContext.width, heightContext.height);
Graphics.Blit(heightContext, filterContext.renderTextureCollection["heightMap"]);
filterContext.destinationRenderTexture = filterContext.renderTextureCollection["output"];
brushMaskFilterStack.Eval(filterContext);
return(filterContext.renderTextureCollection["output"]);
}
private void Init()
{
if (!m_initialized)
{
LoadSettings();
m_rtCollection = new RenderTextureCollection();
m_rtCollection.AddRenderTexture(RenderTextureIDs.cameraView, "cameraView", GraphicsFormat.R8G8B8A8_SRGB);
m_rtCollection.AddRenderTexture(RenderTextureIDs.meshStamp, "meshStamp", GraphicsFormat.R16_SFloat);
m_rtCollection.AddRenderTexture(RenderTextureIDs.sourceHeight, "sourceHeight", GraphicsFormat.R16_UNorm);
m_rtCollection.AddRenderTexture(RenderTextureIDs.combinedHeight, "combinedHeight", GraphicsFormat.R16_UNorm);
m_rtCollection.debugSize = EditorWindow.GetWindow <SceneView>().position.height / 4;
m_initialized = true;
}
}