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Introduction to coding - 15. Conclusion
Conclusion Improving the game There is a great amount of improvements that we could make to the game. It can however get complex pretty fast, so it is important to be comfortable with the basics of the programming language used before really getting into big projects. Learning to code in C++... -
Introduction to coding - 14. Adding shadows
Adding shadows Lighting and shadows Simulating lighting and shadows can greatly improve the visuals of a video game. It may however get very complex. For the sake of simplicity, here, we will only handle the display of shadows (And in a simple way). Representation of colors Colors are often... -
Introduction to coding - 13. Buying and using potions
Buying and using potions Obtaining gold Until now, there was no mean for the player to obtain gold. We will give the character a gold coin for each monster slayed. In the section of code executed when the player kills a monster, we will add the following code: // Increases the amount of gold by... -
Introduction to coding - 12. Adding a merchant and building
Adding a merchant and building Adding the castle We will add a small castle at the bottom left of the window. We load its texture and create its sprite: sf::Texture castleTex; castleTex.loadFromFile("resources/castle.png"); sf::Sprite castle; castle.setTexture(castleTex); castle.setScale(4, 4)... -
Introduction to coding - 11. Making the monsters attack
Making the monsters attack Storing information about the player To keep track of the health and the amount of gold and potions the player has, we define 3 variables: int playerGoldAmount = 0, playerPotionAmount = 0, playerHealthAmount = 3; How the monsters attack The monsters attack by casting... -
Introduction to coding - 10. Displaying information
Displaying information Displaying text The class used to display text is sf::Text. sf::Text text; Similarly to how an object of type sf::Sprite needs a texture, an object of type sf::Text requires a font. A font specifies the shape of the characters (And other information) and an object of type... -
Introduction to coding - 9. Making the character attack
Making the character attack Keeping track of whether a monster is alive or not A variable of type 'bool' can either equal 'true' or 'false'. Here, we define an array of 'bool' values indicating if a monster is dead or not: bool monstersDead[4]; In the loop where we assign the texture to the... -
Introduction to coding - 8. Adding monsters
Adding monsters Displaying the monsters There are 3 textures for the monsters. To simulate an animation, we will alternate between them every 0.333 seconds. The textures: sf::Texture monsterTexs[3]; monsterTexs[0].loadFromFile("resources/monster1.png")... -
Introduction to coding - 7. Handling the collisions
Handling the collisions Currently, collisions are not tested. The player can walk over the trees and stones. Let us resolve that. Testing the collision between two sprites The class sf::FloatRect is almost the same as sf::IntRect. The only difference is that its members (Representing its... -
Introduction to coding - 6. Adding the character
Adding the character The sprite and texture The texture: sf::Texture playerTex; playerTex.loadFromFile("resources/player.png"); The sprite: sf::Sprite player; player.setTexture(playerTex); player.setPosition(400, 300); player.setScale(3, 3); Testing if a key is pressed The function... -
Introduction to coding - 5. Adding trees and stones
Adding trees and stones Adding the trees The texture: sf::Texture treeTex; treeTex.loadFromFile("resources/tree.png"); The sprites: sf::Sprite trees[8]; trees[0].setPosition(50, 60); trees[1].setPosition(600, 150); trees[2].setPosition(630, 456); trees[3].setPosition(300, 600)... -
Introduction to coding - 4. Adding dirt
Adding dirt Arrays When we have to create many variables of the same type, defining them individually may be inconvenient. In that case, it is better to create an array. An array is simply a group of variables which are individually accessed by their index within the array, rather than by... -
Introduction to coding - 3. Drawing into the window
Drawing into the window Textures The class sf::Texture is used to store pictures in the memory of the graphic card, ready to be drawn. Its method loadFromFile loads the picture from the file located at the path received in argument. Note that, in C++, text is surrounded by quotes. // Defines... -
Introduction to coding - 2. Opening the window
Opening the window The object sf::RenderWindow The following line of code defines an object of type sf::RenderWindow, which opens a window at its creation. sf::RenderWindow win(sf::VideoMode(800, 600), "Introduction to coding", sf::Style::Close); Above, we also provide arguments to the... -
Introduction to coding - 1. Introduction
Introduction to coding About this tutorial The purpose of this tutorial is to introduce how coding works, with the C++ language here, by creating and explaining, step by step, the code of a small 2D game. In other words, the goal is to provide an overview of programming with the C++...