Tag Archives: physics

2D polygonal collision-detection and internal edges

Hi and welcome back to my blog! I wanted to share something I’ve recently discovered about the heinous problem of internal edges in 2D polygonal collision detection. It’s not a full-solution, but maybe it will give some other programmers an … Continue reading

Posted in Collision Detection, Geometry, Polygons, Technical | Tagged , , , | 14 Comments

The physics of rolling

Hello and welcome back to my blog! This time I’m going to talk about the physics behind simulating a rolling circle, Super Monkey Ball style but in 2d. The key The key to making this work is understanding how we … Continue reading

Posted in AS3, Circles, Collision Detection, Geometry, Physics, Technical | Tagged , , , , , | 11 Comments

Fun with convex polygons

Hello and welcome back to my blog! I wanted to talk about a couple of elegant ways of working with polygons that I’ve used over the years. Simple convex polygon area I’ve seen a lot of people go through and … Continue reading

Posted in AS3, Geometry, Graphics, Polygons, Technical | Tagged , , , , , , | 12 Comments

How to make a 2d platform game – part 2 collision detection

Hello and welcome back to my blog! In this series of articles, I’m talking about the technology behind a platform game. If you missed part 1 you can check it out here. The language is actionscript 3.0, but the techniques … Continue reading

Posted in AS3, Collision Detection, Platform game, Technical | Tagged , , , , , , , , , | 35 Comments

How to make Angry Birds – part 1

Hello and welcome back to my blog! This time I’m going to try something new. There are many tutorials for various techniques and tricks on the web, but what you don’t often see is one that takes you through the … Continue reading

Posted in Making angry birds, Technical | Tagged , , , , | 88 Comments

Collision detection for dummies

Hello and welcome back to my blog! This article is a kind of companion article to Physics engines for dummies and talks about the act of actually detecting a collision between two shapes. This article assumes the reader has a … Continue reading

Posted in AS3, Collision Detection, Geometry, Physics, Technical | Tagged , , , , , , | 132 Comments

Physics engines for dummies

Hello and welcome back to my blog! This time i’m going to talk about the basic components that make up a physics engine and how to put them together; this tutorial is aimed at programmers who have a basic grasp … Continue reading

Posted in AS3, Beginner, Collision Detection, Geometry, Graphics, Physics, Technical | Tagged , , , , , , , | 183 Comments