A bug snuck by me while adding a new feature to Each: a behaviour in Fuse that dynamically adds UI elements. I had to change a lot of the code, so I […]
Debugging a synchronous callback in loop defect
Embedding a text file in C++ code (with Scons)
I needed a way to embed a text file in my C++ code. I recently introduced Leaf code into the Leaf compiler and didn’t want to depend on a file dependency at […]
Yummy UI food with keyframe animations
When I saw the below demo I thought “neat, how’d they do that”? That may sound surprising if you knew that I wrote the API for this. In this article I’ll describe […]
Calculating pleasant stepping values for a chart
I needed pleasant range values for the charting API in Fuse. These are the values written by the ticks on the plot, typically on the Y-axis. In the interest of simplicity it […]
A game of what’d they press? Hit testing in a 2d/3d layout
A simple tap of the screen invokes a staggering amount of calculations. That screen is actually big tree of UI elements, and we need to navigate it quickly to find the right […]
Stuffing curves into boxes: calculating the bounds
Now that we’ve drawn beziers and arcs there’s only one piece missing in the vector API. We need to calculate the bounds of the curve: the minimum/maximum points where it will draw. […]
Rendering an SVG elliptical arc as bezier curves
I needed to draw ellipses and arcs. A vector API just wouldn’t be complete without them. Though opinions seem to differ as Apple’s Core Graphics lacks anything but an axis aligned circular […]
Become a patron