This is a graphics demo that shows animated fireworks. I wrote it for two reasons: to see what Swift can do, and for something new and fun (I never do 3D graphics in my day job).
This uses the "Metal" low-level 3D graphics API.
Video: Watch On Youtube
Get a .dmg from the release page
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Note
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Mac OSX 10.11+ is required, due to Metal |
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60 FPS (2015 Mac Book)
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Silky smooth "global time" rendering; no step-based ticks with floating point errors. This also lets you pause and rewind time.
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Calculates gravity and air drag
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Uses alpha blending
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Two kinds of fireworks: twinkle out and plume trail
Press space to pause time. Press j and k to step time forward and
backward by 1/60th of a second.
