After I’ve seen some people asking how to do this on the forums, I decided to make a small class that allows us to draw Pies in 2D in XNA.
To use it, just create a new Pie2D object. The constructor receives parameters for the radius, angle and tessellation. These can also be modified at runtime, and the shape will be altered appropriately.
I made a sample that shows how to use this class. You can download it here: Pie 2D sample
A pie could be useful in 2D games for various effects, like enemy visibility area, flashlights, shields, radars, time indicators, etc.
by Catalin Zima - XNA and HLSL blog » Welcome!, on 03.15.08 @ 10:27 am
[...] February: Drawing Wireframes without Z-Fighting. This, together with my last sample, in January (Pie2D Sample) hopefully sets me on the right [...]
by 12 Months, 12 Samples » 12 months, not quite 12 samples, on 01.20.09 @ 1:22 am
[...] January, I had a 2D Pie Drawing sample. It simply shows how to render a 2D Pie in XNA, and customize stuff such as tessellation, radius, [...]
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