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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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...

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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 15: SAT - Line vs Circle vs Polygon vs Capsule

cedarcantab

May 15, 20222 min read

Understanding 2D Physics Engines with Phaser 3, Part 15: SAT - Line vs Circle vs Polygon vs Capsule

In previous posts I have dealt with checking for collisions of the following combinations: polygon vs polygon polygon vs line segment...

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Understanding 2D Physics Engines with Phaser 3, Part 14: SAT - Capsule vs Capsule

cedarcantab

May 8, 20223 min read

Understanding 2D Physics Engines with Phaser 3, Part 14: SAT - Capsule vs Capsule

We saw in the previous post that we can use the separating axis theorem to detect collisions between a polygon and circle, the point...

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Understanding 2D Physics Engines with Phaser 3, Part 13: SAT - Circle Collision Detection

cedarcantab

Apr 30, 20224 min read

Understanding 2D Physics Engines with Phaser 3, Part 13: SAT - Circle Collision Detection

Circle collision detection using Separating Axis Theorem Where is the projection axis for a circle? As we saw in the previous post, the...

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Understanding 2D Physics Engines with Phaser 3, Part 12: SAT - Polygon vs Line Collision Detection

cedarcantab

Mar 26, 20221 min read

Understanding 2D Physics Engines with Phaser 3, Part 12: SAT - Polygon vs Line Collision Detection

This post will be short. It is about using the separating axis theorem (SAT) to detect collision between polygon and line segments. Just...

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Understanding 2D Physics Engines with Phaser 3, Part 11.3: SAT - Containment

cedarcantab

Mar 25, 20222 min read

Understanding 2D Physics Engines with Phaser 3, Part 11.3: SAT - Containment

In the prior post I talked about how to generate a minimum translation vector, which allowed us to push objects around by forcing...

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Understanding 2D Physics Engines with Phaser 3, Part 11.1: SAT - Convex Polygon Collision Detection

cedarcantab

Mar 23, 20226 min read

Understanding 2D Physics Engines with Phaser 3, Part 11.1: SAT - Convex Polygon Collision Detection

Collision Detection between Polygons with Separating Axis Theorem Phaser provides methods to detect overlap / collision between triangles...

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COZY COZY WORLD

Extending Box2D-Lite in Javascript: Support Point based SAT

Box2D-Lite Walkthrough in Javascript: Generating Contact Points

Box2D-Lite Walkthrough in Javascript: Collision Detection

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

Understanding 2D Physics Engines with Phaser 3, Part 15: SAT - Line vs Circle vs Polygon vs Capsule

Understanding 2D Physics Engines with Phaser 3, Part 14: SAT - Capsule vs Capsule

Understanding 2D Physics Engines with Phaser 3, Part 13: SAT - Circle Collision Detection

Understanding 2D Physics Engines with Phaser 3, Part 12: SAT - Polygon vs Line Collision Detection

Understanding 2D Physics Engines with Phaser 3, Part 11.3: SAT - Containment

Understanding 2D Physics Engines with Phaser 3, Part 11.1: SAT - Convex Polygon Collision Detection

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