Nothing appeared on my minimap. This was due to fog being on:
Window->Rendering->Lighting
Environment Tab->Other Settings
Fog checkbox
Another way is to reduce the minimap camera height from 50 to 10.
However, I quite like the fog. When we start zooming out it will add some ambience. It doesn’t belong on the minimap though. The only way I could find was to turn off RenderSettings.fog during rendering. Something like:
using UnityEngine;
using UnityEngine.Rendering;
public class NoFog : MonoBehaviour
{
bool fog;
private void Start()
{
fog = RenderSettings.fog;
RenderPipelineManager.beginCameraRendering += RenderPipelineManager_beginCameraRendering;
RenderPipelineManager.endCameraRendering += RenderPipelineManager_endCameraRendering;
}
private void OnDestroy()
{
RenderPipelineManager.beginCameraRendering -= RenderPipelineManager_beginCameraRendering;
RenderPipelineManager.endCameraRendering -= RenderPipelineManager_endCameraRendering;
}
private void RenderPipelineManager_beginCameraRendering(ScriptableRenderContext arg1, Camera arg2)
{
if(arg2.gameObject == gameObject)
{
RenderSettings.fog = false;
}
}
private void RenderPipelineManager_endCameraRendering(ScriptableRenderContext arg1, Camera arg2)
{
if (arg2.gameObject == gameObject)
{
RenderSettings.fog = fog;
}
}
}
And then put this on the minimap camera gameobject. You might have OnPreRender and OnPostRender, but in my version, 2021.2.1f1, these didn’t seem to be called.