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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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...

cedarcantab

Mar 25, 20222 min read

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Understanding 2D Physics Engines with Phaser 3, Part 11.2: SAT - Minimum Translation Vector

Minimum Translation Vector In the previous post we look at how to implement a basic separating axis theorem to detect intersection...

cedarcantab

Mar 24, 20224 min read

4 views

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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...

cedarcantab

Mar 23, 20226 min read

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Understanding 2D Physics Engines with Phaser 3, Part 10: Polygon vs Polygon intersection

We have looked at various methods available within the Geom.Intersects class. There are methods that detect the overlap between many...

cedarcantab

Mar 22, 20224 min read

3 views

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Understanding 2D Physics Engines with Phaser 3, Part 9: Capsule to Capsule Collision and Resolution

Capsules Phaser 3's default arcade physics engine handles physics bodies as either rectangles (AABB only) or circles. It appears that in...

cedarcantab

Mar 21, 20225 min read

17 views

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Understanding 2D Physics Engines with Phaser 3, Part 8: Triangle Collisions

Triangle vs Triangle Collision Detection with Rotation In a prior post I took a quick look at GetRectagleToRectangle method of Phaser's...

cedarcantab

Mar 14, 20223 min read

21 views

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2D Raycasting using Phaser 3, Part 3

The previous two posts explored how 2D ray casting can be achieved using the various built-in methods of Phaser 3 framework. They all...

cedarcantab

Mar 12, 20223 min read

116 views

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2D Raycasting using Phaser 3, Part 2

2D Raycasting in Phaser 3 Tilemaps In the previous post I looked at the use of Phaser.Geom.Intersect methods to execute raycasting. But...

cedarcantab

Mar 12, 20228 min read

87 views

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2D Raycasting using Phaser 3, Part 1

This post is about my exploration into Phaser.Geom.Intersect methods, which eventually led to the raycasting demo below (and more, to be...

cedarcantab

Mar 12, 20226 min read

155 views

0 comments

Understanding 2D Physics Engines with Phaser 3, Part 7: Rotation

Rotation in a plane So far we have dealt with circles and axis-aligned boxes. Collision detection, resolution and response becomes...

cedarcantab

Mar 10, 20224 min read

8 views

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Understanding 2D Physics Engines with Phaser 3, Part 6: Rectangle Collision Detection & Resolution

Axis Aligned Rectangle Collision Detection and Resolution Having worked through the logic of collision detection between circles and...

cedarcantab

Mar 7, 20229 min read

21 views

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Phaser Coding Tips1&2 Revisited, Part 3: Falling Sand Simulation

Writing to the Canvas at Pixel Level In the previous two posts, my primary motivation for manipulating the HTML canvas directly was to...

cedarcantab

Mar 1, 20226 min read

31 views

0 comments

Phaser Coding Tips1&2 Revisited, Part 2: Pixel level collision detection

Having learned how to get pixel level data of the HTML canvas directly from Phaser3 framework, I set about recreating the rolling barrels...

cedarcantab

Mar 1, 20226 min read

33 views

0 comments

Phaser Coding Tips1&2 Revisited, Part 1: Creating a game like Tanks / Worms

In creating my Space Invaders clone, one aspect of the game that I found particularly difficult to implement was the "dissolving" shields...

cedarcantab

Mar 1, 20226 min read

240 views

0 comments

Understanding 2D Physics Engines with Phaser 3, Part 5: Circle vs Line Collisions

Handling collisions between Circle and Line We covered the topic of colliding circles against axis aligned lines. In this post we cover...

cedarcantab

Feb 28, 20226 min read

39 views

0 comments

Understanding 2D Physics Engines with Phaser 3, Part 4: Circle Collision Response with Mass

Collision Response in Circle2Circle with mass In the previous post I developed the crudest form of collision response; that of two...

cedarcantab

Feb 22, 20225 min read

6 views

0 comments

Understanding 2D Physics Engines with Phaser 3, Part 4.2: Collision Response (Friction)

Simulating Friction In the previous post we looked at how impulse can be applied along the collision normal to effect "bounce". By...

cedarcantab

Feb 16, 20221 min read

11 views

0 comments

Physics Simulation in Javascript: Circle2Circle Collision Response (Bounce)

Circle vs Circle Collision Response In the previous post I covered: detecting collisions (strictly speaking, overlap) between two...

cedarcantab

Feb 15, 20225 min read

31 views

0 comments

Physics Simulation in Javascript: Circle to Circle Collision Resolution

Resolution of collisions between two circles In the previous post we discussed how to assess whether two circles are colliding, or...

cedarcantab

Feb 9, 20224 min read

16 views

0 comments

Physics Simulation in Javascript: Circle to Circle Collision Detection

Collision Detection and Collision Resolution between 2 Circles One of the core functions of a physics engine is of course to detect when...

cedarcantab

Feb 7, 20223 min read

29 views

0 comments

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COZY COZY WORLD

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

Understanding 2D Physics Engines with Phaser 3, Part 11.2: SAT - Minimum Translation Vector

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

Understanding 2D Physics Engines with Phaser 3, Part 10: Polygon vs Polygon intersection

Understanding 2D Physics Engines with Phaser 3, Part 9: Capsule to Capsule Collision and Resolution

Understanding 2D Physics Engines with Phaser 3, Part 8: Triangle Collisions

2D Raycasting using Phaser 3, Part 3

2D Raycasting using Phaser 3, Part 2

2D Raycasting using Phaser 3, Part 1

Understanding 2D Physics Engines with Phaser 3, Part 7: Rotation

Understanding 2D Physics Engines with Phaser 3, Part 6: Rectangle Collision Detection & Resolution

Phaser Coding Tips1&2 Revisited, Part 3: Falling Sand Simulation

Phaser Coding Tips1&2 Revisited, Part 2: Pixel level collision detection

Phaser Coding Tips1&2 Revisited, Part 1: Creating a game like Tanks / Worms

Understanding 2D Physics Engines with Phaser 3, Part 5: Circle vs Line Collisions

Understanding 2D Physics Engines with Phaser 3, Part 4: Circle Collision Response with Mass

Understanding 2D Physics Engines with Phaser 3, Part 4.2: Collision Response (Friction)

Physics Simulation in Javascript: Circle2Circle Collision Response (Bounce)

Physics Simulation in Javascript: Circle to Circle Collision Resolution

Physics Simulation in Javascript: Circle to Circle Collision Detection

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