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Area Portal Visibility - Inercia Demoparty 2008

This is the presentation I made for my Show&Tell at Inercia Demoparty 2008. It's an area portal visibility determination application I had made to get some know how in this fantastic technique.

This application loads an obj file I created my self with portal and geometric data, then, it prepares that geometric data for the visibility determination. In the end, it shows the results.

The presentation was 20 minutes long, I showed the application running, a PowerPoint presentation with a simple explanation of the inner workings and a session of questions at the end. The original PowerPoint presentation is in Portuguese and you can get the translated version as well. I still do not have any video, something I have to add lately.


Links and downloads

Application - Download the original application

Source code - The original source code for this application

Portuguese Presentation - The original PowerPoint that was presented at Inercia Demoparty 2008

English Presentation - The translated PowerPoint


Some screenshots

The scene being optimized

Portal geometries

BSP Leaves and triangle cuts

Visibility determination in progress

Visibility determination in progress

Click each image to enlarge