It’s Indeed the resolution problem. The sharpen line took me to a wrong way.
Thank you very much.
Let’s just click this Build button and wait…
And here is what we get after build finishes.
I’m huge confused by this weird shadow.
I have no idea about what is causing this. Resolution? Shouldn’t it looks like blur if the resolution is too low, instead of writhing in a coquettish way? Multi-light source? No I only have 1 directional light and 1 sky light in my map.
Anybody can figure what is happening in my lighting building? Thx.