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Old 23rd Feb 2009, 12:27 PM   #1
robmason
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Join Date: Feb. 23rd, 2009
Posts: 8
Question Post Process Effects for visual impairments

Hi everybody

I am developing a project in which I simulate visual impairments using UT3. The player will be walking around a building and certain switches will apply visual impairments to their sight. For instance a switch will say "Glaucoma" and when pressing the switch, the player will instantly being seeing through the eyes of somebody with these symptoms.

At the moment I am able to create a post process volume and apply effects to this volume, as well as use triggers to turn them on and off. All this really does is make things black and white, blurred etc.

However I would like to do more complicated things. Can anybody help?

1. I want to be able to add a material over the screen, so I can simulate things like black dots in the person's eyesight for certain impairments. I've had a go at chaging the default PostProcessChain and applying a material to it but I can't get anything to show up. It is a shame that you cannot specify a material for the PostProcessVolume If anybody knows a way of doing this I would be really grateful!!

2. I would eventually like to be able to edit the PostProcess effects myself. I mean the actual algorithms. For instance the blur PP effect must have some underlaying code behind it, how can I have a look at that and create my own version for something like double vision?

Thanks for you time and help, really appreciate it.

Rob
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