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 1.5: Rotation Matrix

cedarcantab

Jan 31, 20224 min read

Understanding 2D Physics Engines with Phaser 3, Part 1.5: Rotation Matrix

There is one special type of matrix that will come up time and time again, particularly we start to deal with rotating bodies; that is...

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Understanding 2D Physics Engine with Phaser 3, Part 1.3: The Cross Product

cedarcantab

Jan 29, 20223 min read

Understanding 2D Physics Engine with Phaser 3, Part 1.3: The Cross Product

The Cross Product Some mathematicians will tell you that the vector cross product does not exist in 2D. If you search for a wiki page on...

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Understanding 2D Physics Engines with Phaser 3, Part 1.2: The Dot product

cedarcantab

Jan 28, 20223 min read

Understanding 2D Physics Engines with Phaser 3, Part 1.2: The Dot product

Projections or the Dot Product In the previous post, I explained the extremely useful Vector2 class built into Phaser 3. In this post, I...

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cedarcantab

Jan 27, 20223 min read

Physics Simulation: Vector object

2D Vectors in Javascript Before I start actually trying to code the laws of physics, it's useful to remind ourselves about vectors and...

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Physics Simulations in Javascript: Introduction

cedarcantab

Jan 26, 20224 min read

Physics Simulations in Javascript: Introduction

(Let's code a Physics Engine from scratch) When you code any game involve stuff moving about and colliding with each other using some...

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Space Invaders in Phaser 3 (Part 15): Beginning Game Sequence & Flashing Text

cedarcantab

Jan 21, 20224 min read

Space Invaders in Phaser 3 (Part 15): Beginning Game Sequence & Flashing Text

In this post I look at the beginning of game sequence. Prompt Player Screen In the original game, when the game starts, the screen is...

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Space Invaders in Phaser 3 (Part 14): Typewriting Text and the End of Game

cedarcantab

Jan 21, 20223 min read

Space Invaders in Phaser 3 (Part 14): Typewriting Text and the End of Game

Game Over Sequence When the player is hit, and last life is lost it is game over. As soon as the player is hit, the aliens stop moving,...

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Space Invaders in Phaser 3 (Part 9): Drawing the Shields

cedarcantab

Jan 15, 20229 min read

Space Invaders in Phaser 3 (Part 9): Drawing the Shields

I am sure you would be familiar with hte 4 shields in the game. The distinguishing feature is the way the shields get damaged gradually...

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Space Invaders in Phaser 3 (Part 7): Heads Up Display

cedarcantab

Jan 12, 20226 min read

Space Invaders in Phaser 3 (Part 7): Heads Up Display

Further to the previous blog, this is another simple and short one, where I document the way I created the "heads-up-display" (HUD)....

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Space Invaders in Phaser 3 (Part 5): Drawing and Moving the Invaders

cedarcantab

Jan 10, 202214 min read

Space Invaders in Phaser 3 (Part 5): Drawing and Moving the Invaders

Now we start getting into the guts of the game. Drawing and moving the aliens. For those who have played the actual game, the behaviour...

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Space Invaders in Phaser 3 (part 4): The Splash Screen (or at least a part of it)

cedarcantab

Jan 10, 202211 min read

Space Invaders in Phaser 3 (part 4): The Splash Screen (or at least a part of it)

The order is a bit backwards, but before I go onto documenting the guts of the game, here's a post about how I created the splash screen....

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Space Invaders in Phaser 3 (Part 3): Making the Player shoot

cedarcantab

Jan 10, 20229 min read

Space Invaders in Phaser 3 (Part 3): Making the Player shoot

In the previous post I documented how I created the Space Invader' player which can move left and right by pressing the cursor keys. In...

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Space Invaders in Phaser 3 (Part 1): Structuring the Game Code

cedarcantab

Jan 9, 20224 min read

Space Invaders in Phaser 3 (Part 1): Structuring the Game Code

Having played the game in the arcades in my teenage years a lot, I needed to understand the game logic. There are numerous tutorials on...

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Space Invaders in Phaser 3 (Part 0): The Beginning

cedarcantab

Jan 9, 20226 min read

Space Invaders in Phaser 3 (Part 0): The Beginning

I have worked on the Danmaku project pretty much non-stop for several months. Whilst there are plenty more that I want to do, I have...

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Danmaku using Phaser 3 (lesson 40 part 6): Angle Offset as Arrays

cedarcantab

Dec 4, 20212 min read

Danmaku using Phaser 3 (lesson 40 part 6): Angle Offset as Arrays

We continue our series of accepting arrays as parameters - in this post, it is the angle offset paramter. Changing the angle of the...

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Danmaku using Phaser 3 (lesson 40 part 4): Curve, Gravity, Acceleration, Rotation as Arrays

cedarcantab

Nov 28, 20213 min read

Danmaku using Phaser 3 (lesson 40 part 4): Curve, Gravity, Acceleration, Rotation as Arrays

I continue to expand the scope of parameters which can be passed as arrays. With parameters that are passed "as-they-are" to the...

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Danmaku using Phaser 3 (lesson 40 Part 3): Defining Bullet Speed as Arrays

cedarcantab

Nov 26, 20214 min read

Danmaku using Phaser 3 (lesson 40 Part 3): Defining Bullet Speed as Arrays

In the previous 2 posts, we went as far as the code to accept arrays for bullet texture/frame, number of cannons and cannonAngleRange...

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Danmaku using Phaser 3 (lesson 40 Part 2): Number of Cannons and Angle Range as Arrays

cedarcantab

Nov 25, 20213 min read

Danmaku using Phaser 3 (lesson 40 Part 2): Number of Cannons and Angle Range as Arrays

In the previous post, we went as far as the code to accept arrays for bullet texture/frame. In this post, I continue my exploration into...

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Danmaku using Phaser 3 (lesson 40 Part 1): Defining Bullet Texture as Arrays

cedarcantab

Nov 24, 20213 min read

Danmaku using Phaser 3 (lesson 40 Part 1): Defining Bullet Texture as Arrays

I have come a long way in terms of adding parameters to define the danmaku pattern, the way bullets are fired via the cannonConfig, and...

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Danmaku using Phaser 3 (lesson 39): DRAW re-re-revisted

cedarcantab

Nov 22, 20216 min read

Danmaku using Phaser 3 (lesson 39): DRAW re-re-revisted

Having recoded the entire nway/multi-nway code and the PAINT code to allow firing of PAINT pictures off multi-nways, I set about doing...

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COZY COZY WORLD

Understanding 2D Physics Engines with Phaser 3, Part 1.5: Rotation Matrix

Understanding 2D Physics Engine with Phaser 3, Part 1.3: The Cross Product

Understanding 2D Physics Engines with Phaser 3, Part 1.2: The Dot product

Physics Simulation: Vector object

Physics Simulations in Javascript: Introduction

Space Invaders in Phaser 3 (Part 15): Beginning Game Sequence & Flashing Text

Space Invaders in Phaser 3 (Part 14): Typewriting Text and the End of Game

Space Invaders in Phaser 3 (Part 9): Drawing the Shields

Space Invaders in Phaser 3 (Part 7): Heads Up Display

Space Invaders in Phaser 3 (Part 5): Drawing and Moving the Invaders

Space Invaders in Phaser 3 (part 4): The Splash Screen (or at least a part of it)

Space Invaders in Phaser 3 (Part 3): Making the Player shoot

Space Invaders in Phaser 3 (Part 1): Structuring the Game Code

Space Invaders in Phaser 3 (Part 0): The Beginning

Danmaku using Phaser 3 (lesson 40 part 6): Angle Offset as Arrays

Danmaku using Phaser 3 (lesson 40 part 4): Curve, Gravity, Acceleration, Rotation as Arrays

Danmaku using Phaser 3 (lesson 40 Part 3): Defining Bullet Speed as Arrays

Danmaku using Phaser 3 (lesson 40 Part 2): Number of Cannons and Angle Range as Arrays

Danmaku using Phaser 3 (lesson 40 Part 1): Defining Bullet Texture as Arrays

Danmaku using Phaser 3 (lesson 39): DRAW re-re-revisted

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