Category "core-animation"

When exactly is drawInMTKView called?

MetalKit calls drawInMTKView when it wants a your delegate to draw a new frame, but I wonder if it waits for the last drawable to have been presented before it

What does animatableData in SwiftUI do?

I was playing around with the animatableData property for a custom Shape I made but I couldn't really visualise what it does and where the system uses it. I did

Sparkle effect iOS

I want to create sparkle effect over an image as shown in the video Sparkle Effect the only way I could think of doing it animating each particle separately usi