In the previous post, I explained the backdrop sprite, Map sprite and Cursor sprite. In this post, I will explain the Rule sprite, which contains core algorithm of this game - how to judge who wins the game. I will also analyze the code of several other auxilliary sprites. So let's start! Rule Sprite There …
Continue reading Learn Scratch by Reading and Analyzing Others’ Project – a GomoKu Game – Part 2
Have you ever played Gomoku game? Its rule is simple. There are two types of chess pieces, white and black for two players, respectively. When either of the player connects own five chess pieces in a line, he/she wins. The chess pieces could be arranged in horizontal, vertical or diagonal directions. In this post, I …
Continue reading Learn Scratch by Reading and Analyzing Others’ Project – a GomoKu Game – Part 1
In my previous post, I explained the sample code of a static platformer game. Now, let's challenge ourselves for a scrolling platformer game. For this type of game, platform and other objects would move, while the main Player sprite would remain at a fixed position on the stage, as shown in this sample project. https://videopress.com/v/0yLzPzHa?preloadContent=metadata …
Continue reading Design Platformer Game in Scratch 3.0 – Algorithm Behind the Sample Code – Part 2
If you are a fan of Scratch 3.0, you must have played some of its platformer games. Platformer games (often simplified as platformer, or jump 'n' run) is a video game genre and subgenre of action games. Platformers are characterized by their heavy use of jumping and climbing to navigate the environment and reach their goal. Basically there are two types of platformer game in …
Continue reading Design Platformer Game in Scratch 3.0 – Algorithm Behind the Sample Code – Part 1
If you read my recent posts, you will notice that I have analyzed several shooting games. A typical scenario of a shooting game is that you need to deploy multiple weapons from weapon library and those weapons will shoot out bullets. There are more than one ways to design weapon dragging and bullet shooting behaviors. …
Continue reading Learn Scratch by Reading and Analyzing Others’ Project – Tower Defense
This is the last part of airplane shooting game. In the previous posts, I have explained the core sprites. In this post, I will introduce two auxilliary spirtes which are supposed to enhance the visual effects of the game. Powerups Sprite This sprite has two functions - as a health booster or a protective shield. …
When we play Scratch game, sometimes we need to choose a game weapon from a library. In this post, I will use one example to demonstrate this functionality. In the following demo project Plant and Zombie, after the user clicks the Peashooter Card, he/she could drag Peashooter and put it to a random position on …
Continue reading Learn Scratch 3.0 – Two Ways to Create Sprite Card
When we began to learn Scratch 3.0, we usually created sprite clones at random position. However, when we improve programming skills of Scratch 3.0, we may encouter the scenarios when a sprite clone is related to another sprite's clone. For example, in the airplane shooting game, the planes could shoot out bullets while flying. In …
Continue reading Learn Scratch 3.0 – Two Ways to Create Multiple Bullet Clones
In the last post, I analyzed three cores sprites of the game - Player sprite, Bullet sprite and Enemies sprite. In this post, I will analyze another core sprite - Hosny, which represents the ultimate evil power. After that, I will go to analyze several auxiliary sprites. Hosny Sprite Hosny sprite represents the ultimate evil …
In my previous posts, I focus more on analyzing puzzle games, such as Grids, Sliding Puzzle Game, Tetris etc. It does not mean that I am not interested in the platform games or fighting games. They are always among the most popular games on Scratch official website. However, since the well-designed platform game and fighting …
The Coding Fun 
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