lördag 28 maj 2016

Multitouch working with the Particle System

As the touch wasn't really working at all this was the next step.

The problem was actually a combination of a couple of things. Firstly, for some reason, the GPU does not want to for loop (despite our best efforts with settings etc) over our array of hand data. This meant that we in the end decided to make each hand a separate variable that is sent to the GPU. Apart from that, there were some data type issues which occured when moving the hand data to the GPU. In the end, a C# Vec2 can be sent to a recieving variable of type float2 in the shader - this might be good to know for someone trying to do something similar to us.

While there probably is a better solution (regarding not looping over hands but rather going over them one by one in a really ugly piece of code repetition), we decided to leave this as well for now as we actually got stuff working. Here's the video:

video


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