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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Extending Box2D-Lite in Javascript: Support Point based SAT

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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Extending Box2D-Lite in Javascript: Clipping for Contact Points

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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Extending Phaser 3 Geom.Rectangle to Box2D-Lite, Part XX: Max Distance Constraint

cedarcantab

Aug 7, 20232 min read

Extending Phaser 3 Geom.Rectangle to Box2D-Lite, Part XX: Max Distance Constraint

As a follow up post to the Distance Constraint post, we can also create a maximum distance constraint using the same solution we found in...

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Extending Box2D-Lite in Javascript: Distance Joint

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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Box2D-Lite Walkthrough in Javascript: Warm Starting

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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Box2D-Lite Walkthrough in Javascript: Softening constraints

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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Box2D-Lite Walkthrough in Javascript: Revolute Joint

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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Box2D-Lite Walkthrough in Javascript: Friction

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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Box2D-Lite Walkthrough in Javascript: Contact constraint

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...

90 views0 comments

Box2D-Lite Walkthrough in Javascript: Introduction to Constrained Dynamics

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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Box2D-Lite Walkthrough in Javascript: Generating Contact Points

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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Box2D-Lite Walkthrough in Javascript: Collision Detection

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...

37 views0 comments

Box2D-Lite Walkthrough in Javascript: Introduction

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...

13 views0 comments

Understanding 2D Physics Engines with Phaser 3, Part 23.1: Constrained Dynamics: Introduction

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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Understanding 2D Physics Engines with Phaser 3, Part 21: Local (Model) space vs World space

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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Understanding 2D Physics Engines with Phaser 3, Part 19: Clipping Method

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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Understanding 2D Physics Engines with Phaser 3, Part 18: Collision Response with Rotation

cedarcantab

Jun 30, 20226 min read

Understanding 2D Physics Engines with Phaser 3, Part 18: Collision Response with Rotation

Rectange to Rectangle Collision Response with Rotation In a prior post we looked at how to identify the contact point of two colliding...

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Understanding 2D Physics Engines with Phaser 3, Part 17.1: Collision Response with Rotation

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...

28 views0 comments

cedarcantab

Jun 12, 20226 min read

2D Raycasting using Phaser 3, Part 4

Exploring the Geom.Intersects.GetLineToPolygon method In my exploration of 2D raycasting using Phaser 3, I created simple 2D raycasters...

104 views0 comments

cedarcantab

Jun 10, 20221 min read

Angular Momentum and Impulse

Momentum and Impulse Linear Momentum and Linear Impulse Linear momentum, typically represented by letter p - is proportional to mass m...

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COZY COZY WORLD

Extending Box2D-Lite in Javascript: Support Point based SAT

Extending Box2D-Lite in Javascript: Clipping for Contact Points

Extending Phaser 3 Geom.Rectangle to Box2D-Lite, Part XX: Max Distance Constraint

Extending Box2D-Lite in Javascript: Distance Joint

Box2D-Lite Walkthrough in Javascript: Warm Starting

Box2D-Lite Walkthrough in Javascript: Softening constraints

Box2D-Lite Walkthrough in Javascript: Revolute Joint

Box2D-Lite Walkthrough in Javascript: Friction

Box2D-Lite Walkthrough in Javascript: Contact constraint

Box2D-Lite Walkthrough in Javascript: Introduction to Constrained Dynamics

Box2D-Lite Walkthrough in Javascript: Generating Contact Points

Box2D-Lite Walkthrough in Javascript: Collision Detection

Box2D-Lite Walkthrough in Javascript: Introduction

Understanding 2D Physics Engines with Phaser 3, Part 23.1: Constrained Dynamics: Introduction

Understanding 2D Physics Engines with Phaser 3, Part 21: Local (Model) space vs World space

Understanding 2D Physics Engines with Phaser 3, Part 19: Clipping Method

Understanding 2D Physics Engines with Phaser 3, Part 18: Collision Response with Rotation

Understanding 2D Physics Engines with Phaser 3, Part 17.1: Collision Response with Rotation

2D Raycasting using Phaser 3, Part 4

Angular Momentum and Impulse

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