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# 1 06-05-2004 , 12:40 PM
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Posts: 19

Raytracing Shadows and Fog

Hello Everyone

I have started with light fog exercise and I came up with a problem as you will see in the image bellow. I created a polygon box. I extruded one of the face to make a hole in it and then created a second floor (see wireframe caption). I wanted light to go through the hole but I wanted to have some fog as well as shown in the Depth Map Shading caption. Si I used Raytracing Shadow in my spotlight and activated the Light Fog Effect. When rendered I see the light that goes through the hole but no fog comes along (see caption Raytracing Shadow). But I know there is fog because you can see it in the Raytracing Shadow caption. For some reason, the hole is bloking the fog in Raytracing Shadow while in Depth Map Shadow it let it go through.

I want to avoid having 4 pieces of polygon to create the floor and have a hole in it. Does anyone have any idea?

Thanks
Salsero

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