This application is a C++ application that I wrote for my employees as part of our interactive shopping centre kiosk product. The bulk of the kiosk application is written in Adobe Flash with some backend code (in Perl / Bash and C++) for additional functionality. This module provides the data for an on-screen route planner so that the shoppers can find a route to a particular shop from the kiosk. A bit like a TomTom …
Short post today; updated the libraries and demo code to include the following: math.asm – Added sqrt and multiply routines (thanks to the Internet). vector.asm – Added circle, optimised horizontal line & wireframe triangle routines. screen_buffer.asm – Added fast stack pointer clear screen routine. The source for demo_vector.asm has also been updated to allow the user to select which point on the triangle to move with the cursor by pressing the space bar, and drawing …
I’m currently working on a vector graphics library; this will eventually include fast implementations of line, circle and triangle rendering. There will be options to render on the standard Spectrum screen (with it’s horrid layout) and to a more sensibly laid out offscreen bitmap. I’m also going to add filled circle and triangle with optional texture shading (an 8×8 graphic). I’ve just reworked a version of Bresenhams Incremental Line Algorithm in Z80, working in one …