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 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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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: 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: Solving Constraints

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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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

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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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...

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Mass Moment of Inertia: Arbitrary Triangle

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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Mass Moment of Inertia (MMOI): Introduction

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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Center of Mass of Lamina: Arbitrary Triangle

cedarcantab

Jun 1, 20223 min read

Center of Mass of Lamina: Arbitrary Triangle

In the previous post we worked through the calculation of the centroid of an isosceles triangle. In this post we delve into the...

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Sloped Tile Collision Detection in Phaser 3

cedarcantab

May 28, 20228 min read

Sloped Tile Collision Detection in Phaser 3

Making Characters Climb Sloped Tiles After a long and tortuous journey I finally managed to get CozyPhysics engine to work with partial...

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Partial Tile Collision in Phaser 3: Climbing "Slopes"

cedarcantab

May 14, 20225 min read

Partial Tile Collision in Phaser 3: Climbing "Slopes"

Having worked out the basic logic for detecting collisions with partial tiles, there is light at the end of the tunnel to making Mario...

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Partial Tile Collision in Phaser 3: The Basics

cedarcantab

May 14, 20224 min read

Partial Tile Collision in Phaser 3: The Basics

Finally, we go beyond recreating (cut-down version of) Phaser's arcade physics engine, and tackle the problem of partial tiles. The...

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Pixel Perfect Tile Collision in Phaser 3, Part 2

cedarcantab

May 13, 20224 min read

Pixel Perfect Tile Collision in Phaser 3, Part 2

Introducing gravity and bounce In the previous post I got as far as recreating basic tile collisions for my CozyPhysics engine. The...

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Pixel Perfect Tile Collision in Phaser 3, Part 1

cedarcantab

May 12, 20229 min read

Pixel Perfect Tile Collision in Phaser 3, Part 1

Cozy Physics Engine: Starting from the beginning Now that I have gained some understanding of how Phaser's arcade physics engine deals...

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Pixel Perfect Tile Collision in Phaser 3, Part 0B

cedarcantab

May 10, 20227 min read

Pixel Perfect Tile Collision in Phaser 3, Part 0B

In this post, I continue to explore the insides of the Phaser arcade physics engine relating to sprite vs tile collisions. Detecting...

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Pixel Perfect Tile Collision in Phaser 3, Part 0A

cedarcantab

May 9, 202210 min read

Pixel Perfect Tile Collision in Phaser 3, Part 0A

In my exploration of the various mechanics involved tile map based games, I have, among others, used the original Donkey Kong game (which...

61 views0 comments

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COZY COZY WORLD

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

Box2D-Lite Walkthrough in Javascript: Warm Starting

Box2D-Lite Walkthrough in Javascript: Revolute Joint

Box2D-Lite Walkthrough in Javascript: Friction

Box2D-Lite Walkthrough in Javascript: Solving Constraints

Box2D-Lite Walkthrough in Javascript: Collision Detection

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

2D Raycasting using Phaser 3, Part 4

Mass Moment of Inertia: Arbitrary Triangle

Mass Moment of Inertia: Rectangle

Mass Moment of Inertia (MMOI): Introduction

Center of Mass of Lamina: Arbitrary Triangle

Sloped Tile Collision Detection in Phaser 3

Partial Tile Collision in Phaser 3: Climbing "Slopes"

Partial Tile Collision in Phaser 3: The Basics

Pixel Perfect Tile Collision in Phaser 3, Part 2

Pixel Perfect Tile Collision in Phaser 3, Part 1

Pixel Perfect Tile Collision in Phaser 3, Part 0B

Pixel Perfect Tile Collision in Phaser 3, Part 0A

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