24
2012
The Return Of The Fake Vertex Shadow
Yay..more realtime fake shadows, using similar technique like this old fake vertex shadows test
Features:
– VertexLit shader with texture
– Linecast each vertex towards light, if we can reach light, then lets shine, otherwise stay dark..
– In the webplayer, 15 vertices are scanned per update loop, per wall object.. (it works with just 1 scan per loop also, just slower to update if objects are moving..)
– small exp2 fog added, to give some depth to the room..
Ideas:
– bounced lights? multiple lights? colored lights/shadows?
– smoother shadows, take average color from neighbour vertices?
– instead of scanning from each vertex, scan from middle of each triangle?
– optimize, if nothing has moved, dont scan..?
– semi-transparent/colored windows?
– use highres box/walls?
Webplayer:
http://unitycoder.com/upload/demos/mFakeVertexShadows2/
Download Source:
FakeVertexShadows10.unityPackage
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Found your blog recently and love reading your posts 🙂
Keep them coming
very nice plz sir upload it source code
source added! (its not cleaned up..but there are just few lines to do the simple scanning part..)
Global illumination – Low frequency ambient occlusion:
http://mtnphil.wordpress.com/2014/04/11/low-frequency-ambient-occlusion/