Core Animation, Chapter 1. The Oracle Method for Animation
A paused clock as an answer key, and the microsecond an animation never reaches.
Core Animation
Core Animation, Chapter 2. Layers Are Values
A rectangle that is never stored, and a layer with no height whose frame is a square.
Core Animation, Chapter 3. Transforms
A matrix read from the right, a camera that bends one order and not the other, and a round trip that misses by three points.
Core Animation, Chapter 4. The Model and the Presentation Tree
Two trees, one of which has already moved before a frame is drawn.
Core Animation, Chapter 5. Basic Animation and Timing
Eight numbers, one fraction, and the microsecond that is never read.
Core Animation, Chapter 6. Keyframes and Paths
A list of values, the times they are reached, and five rules for what happens in between.
Core Animation, Chapter 7. Springs
A mass on a spring, the time it takes to settle, and an animation whose parameters do not describe it.
Core Animation, Chapter 8. Time and Groups
Every layer has a clock, every group is a clock, and the recipe for pausing is a conversion.
Core Animation, Chapter 9. Contents
Where a picture lands in a layer, and the half texel that is not a crop.
Core Animation, Chapter 10. Compositing the Layer
One layer is painted in a fixed order, cut once, faded once, and every edge is a ramp of distance, not a count of area.
Core Animation, Chapter 11. Shapes and Gradients
One ruler laid along the whole path, and a gradient between two reds that comes back with green in it.
Core Animation, Chapter 12. Specialized Layers
Six layers that are not plain layers, and the number each of them owes you.
Core Animation, Chapter 13. Putting It Together
A playbook for debugging animation, one draw-on stroke taken apart with the clock, the ruler and the witnesses, and the honest edge of what this book measured.
