14 Mar · Robert Eisele
Point Orientation Relative to a Directed Line
A compact JavaScript orientation predicate based on twice the signed triangle area, with explicit handling for a degenerate line and a scale-aware...
graphics
Contents
- 3D Wire Creator
- A Simple Quaternion Game Engine
- Bubble Drag - Interactive Canvas Motion
- Bubble Evolution - Draggable Magnifier
- Build a 3D Advent Calendar with HTML, CSS, and JavaScript
- Circular Sectors and Annular Arcs in OpenSCAD
- Follow the Swarm
- HTML5 Particleline - An Interactive Canvas Field
- Introduction to CSS 3D Transforms
- Kinematic Clock with Nested SVG Transforms
- Point Orientation Relative to a Directed Line
- Trackball Rotation using Quaternions