// THE BLOG

Debugging

The Moon Disappeared Because Its Pixels Were in the Wrong Place

May 10 2026 Jubaleth ASHES OF THE UNBOUND, UNREAL ENGINE, RENDERING, DEBUGGING

On 9 May, Selene’s night side went black. Not artistically dark. Gone. The failure appeared while testing celestial occlusion in Ashes of the Unbound. The expected Aetheria contribution vanished even though the source …

Finding the Wrong Receiver Point in the Lighting Shader

May 9 2026 RENDERING, SHADER, DEBUGGING

SF-ISSUE-012 survived valid inputs and valid ray math because projected depth reconstructed a point that was not on the receiver sphere.