Let’s Try Making Things Move with Swift!
summary
Simple four line physics code models a spring and ball using mass stiffness a time step position and velocity and computes force with Hooke's law to update acceleration velocity and displacement, then renders it in a Swift UI view. A separate fluid-style demo runs about 6,000 elements without physics libraries. Performance claim: a plain for loop over 10 million items takes 13 seconds while accelerate’s vdsp multiply finishes in 0.014 seconds, roughly 1,000x speedup.
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