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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Phaser Coding Tips 3 Revisited, Part 1: "Ride on" Platforms

cedarcantab

Apr 9, 202210 min read

Phaser Coding Tips 3 Revisited, Part 1: "Ride on" Platforms

Platform Game Tutorial: "Ride on" Platforms Continuing the journey through the fantastic tutorial series (for Phaser 2) by the great...

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Phaser Coding Tips 8 "Sprite Motion Paths Tutorial" Revisited, Part 5

cedarcantab

Apr 5, 20222 min read

Phaser Coding Tips 8 "Sprite Motion Paths Tutorial" Revisited, Part 5

Customer Path Follower, Revised! Further to the previous where I developed my own version of the Path Follower object which relies on...

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Phaser Coding Tips 8 "Sprite Motion Paths Tutorial" Revisited, Part 4

cedarcantab

Mar 31, 20223 min read

Phaser Coding Tips 8 "Sprite Motion Paths Tutorial" Revisited, Part 4

In the previous three posts, we looked at the various interpolation methods Phaser 3 offers, followed by a look at the...

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Phaser Coding Tips 8 "Sprite Motion Paths Tutorial" Revisited, Part 3

cedarcantab

Mar 30, 20225 min read

Phaser Coding Tips 8 "Sprite Motion Paths Tutorial" Revisited, Part 3

Continuing on from the previous post about my exploration of Phaser 3's capabilities to generate splines and motion paths, and using...

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Phaser Coding Tips 8 "Sprite Motion Paths Tutorial" Revisited, Part 2

cedarcantab

Mar 29, 20227 min read

Phaser Coding Tips 8 "Sprite Motion Paths Tutorial" Revisited, Part 2

Continuing on from the previous post about my exploration of Phaser 3's capabilities to generate splines and motion paths, this post is...

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Phaser Coding Tips 8 "Sprite Motion Paths Tutorial" Revisited, Part 1

cedarcantab

Mar 28, 202212 min read

Phaser Coding Tips 8 "Sprite Motion Paths Tutorial" Revisited, Part 1

When creating shoot-em-ups, you want to have enemies flying in different patterns. You can certainly get sophisticated patterns by using...

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

cedarcantab

Mar 21, 20225 min read

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...

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

cedarcantab

Mar 14, 20223 min read

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...

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

cedarcantab

Mar 10, 20224 min read

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...

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

cedarcantab

Mar 7, 20229 min read

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...

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

cedarcantab

Feb 28, 20226 min read

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...

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

cedarcantab

Feb 22, 20225 min read

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...

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Physics Simulation in Javascript: Circle2Circle Collision Response (Bounce)

cedarcantab

Feb 15, 20225 min read

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...

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Physics Simulation in Javascript: Circle to Circle Collision Resolution

cedarcantab

Feb 9, 20224 min read

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...

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Physics Simulation in Javascript: Circle to Circle Collision Detection

cedarcantab

Feb 7, 20223 min read

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...

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Phaser Coding Tips 7 Revisited: Creating a Shoot-em-up Tutorial

cedarcantab

Feb 4, 20227 min read

Phaser Coding Tips 7 Revisited: Creating a Shoot-em-up Tutorial

For those new to the art of creating shoot-em-up games using Javascript/Phaser framework like me, there is a fantastic tutorial here by...

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Understanding 2D Physics Engines with Phaser 3, Part 1.6: Affine Transformation Matrix

cedarcantab

Feb 1, 20224 min read

Understanding 2D Physics Engines with Phaser 3, Part 1.6: Affine Transformation Matrix

Phaser 3 TransformMatrix In the previous post we looked at how a point can be rotated about the origin through multiplying the position...

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COZY COZY WORLD

Phaser Coding Tips 3 Revisited, Part 1: "Ride on" Platforms

Phaser Coding Tips 8 "Sprite Motion Paths Tutorial" Revisited, Part 5

Phaser Coding Tips 8 "Sprite Motion Paths Tutorial" Revisited, Part 4

Phaser Coding Tips 8 "Sprite Motion Paths Tutorial" Revisited, Part 3

Phaser Coding Tips 8 "Sprite Motion Paths Tutorial" Revisited, Part 2

Phaser Coding Tips 8 "Sprite Motion Paths Tutorial" Revisited, Part 1

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

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

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

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

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

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

Phaser Coding Tips 7 Revisited: Creating a Shoot-em-up Tutorial

Understanding 2D Physics Engines with Phaser 3, Part 1.6: Affine Transformation Matrix

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