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COZY COZY WORLD
I am an ordinary Japanese salaryman in his 50's.
The posts are mostly about my attempts at programming which I have taken up recently to maintain logical thinking.
And a bit about my travels around the country.
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cedarcantab
Apr 16, 20244 min read
Extending Box2D-Lite in Javascript: Support Point based SAT
Separating Axis Theorem utilising Support Points In my various implementations of the separating axis theorem for detecting collision...
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cedarcantab
Feb 29, 20244 min read
Extending Box2D-Lite in Javascript: Clipping for Contact Points
This is a continuation of our look into the CollidePolgyons method. We have delved into the Lite implementation in quite some detail and...
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cedarcantab
Jun 23, 20233 min read
Extending Box2D-Lite in Javascript: Distance Joint
It's been a while since I finished with my walkthrough of Box2D-Lite. I thought I would add features that are not available in the...
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cedarcantab
Sep 25, 20221 min read
Box2D-Lite Walkthrough in Javascript: Warm Starting
All my Box2D-Lite posts have been transferred to my new blog site: Introduction Different Spaces and Drawing Boxes Unconstrained Dynamics...
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cedarcantab
Sep 21, 20221 min read
Box2D-Lite Walkthrough in Javascript: Softening constraints
All my Box2D-Lite posts have been transferred to my new blog site: Introduction Different Spaces and Drawing Boxes Unconstrained Dynamics...
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cedarcantab
Sep 20, 20221 min read
Box2D-Lite Walkthrough in Javascript: Revolute Joint
All my Box2D-Lite posts have been transferred to my new blog site: Introduction Different Spaces and Drawing Boxes Unconstrained Dynamics...
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cedarcantab
Sep 13, 20221 min read
Box2D-Lite Walkthrough in Javascript: Friction
All my Box2D-Lite posts have been transferred to my new blog site: Introduction Different Spaces and Drawing Boxes Unconstrained Dynamics...
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cedarcantab
Sep 8, 20221 min read
Box2D-Lite Walkthrough in Javascript: Solving Constraints
All my Box2D-Lite posts have been transferred to my new blog site: Introduction Different Spaces and Drawing Boxes Unconstrained Dynamics...
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cedarcantab
Sep 7, 20221 min read
Box2D-Lite Walkthrough in Javascript: Contact constraint
All my Box2D-Lite posts have been transferred to my new blog site: Introduction Different Spaces and Drawing Boxes Unconstrained Dynamics...
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cedarcantab
Sep 6, 20221 min read
Box2D-Lite Walkthrough in Javascript: Introduction to Constrained Dynamics
All my Box2D-Lite posts have been transferred to my new blog site: Introduction Different Spaces and Drawing Boxes Unconstrained Dynamics...
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cedarcantab
Aug 30, 20221 min read
Box2D-Lite Walkthrough in Javascript: Generating Contact Points
Contact Points using Clipping Method All my Box2D-Lite posts have been transferred to my new blog site: Introduction Different Spaces and...
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cedarcantab
Aug 23, 20221 min read
Box2D-Lite Walkthrough in Javascript: Collision Detection
All my Box2D-Lite posts have been transferred to my new blog site: Introduction Different Spaces and Drawing Boxes Unconstrained Dynamics...
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cedarcantab
Aug 13, 20221 min read
Box2D-Lite Walkthrough in Javascript: Introduction
All my Box2D-Lite posts have been transferred to my new blog site: Introduction Different Spaces and Drawing Boxes Unconstrained Dynamics...
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cedarcantab
Jul 17, 20228 min read
Understanding 2D Physics Engines with Phaser 3, Part 23.1: Constrained Dynamics: Introduction
Introduction In this post I start to look into the deep world of Constraints and Constraint Solvers. You will appreciate why I say deep,...
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cedarcantab
Jul 4, 20225 min read
Understanding 2D Physics Engines with Phaser 3, Part 21: Local (Model) space vs World space
Local vs World space In this post I document the introduction of the concept of local space vs world space. Frankly, the concepts are not...
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cedarcantab
Jul 1, 202210 min read
Understanding 2D Physics Engines with Phaser 3, Part 19: Clipping Method
Finding Contact Points of overlapping Convex Polygons using the Clipping Method The separating axis theorem can tell us whether a polygon...
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cedarcantab
Jun 19, 20223 min read
Understanding 2D Physics Engines with Phaser 3, Part 17.1: Collision Response with Rotation
Capsule to Capsule Collision response with Rotation Having dealt with the concepts of center of mass and mass moment of inertia, we...
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cedarcantab
Jun 9, 20222 min read
Mass Moment of Inertia: Arbitrary Triangle
Momentum and Impulse In this post I try to explain how the moment of inertia of an arbitrary triangle may be derived (full disclosure:...
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cedarcantab
Jun 6, 20222 min read
Mass Moment of Inertia: Rectangle
Before continuing our challenge to derive the mmoi for other shapes, I will introduce two important theorems that will help us as we deal...
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cedarcantab
Jun 5, 20224 min read
Mass Moment of Inertia (MMOI): Introduction
Angular Momentum, Moment of Inertia In prior posts we have discussed momentum, which we have assumed to be mass x velocity. In a world...
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