Michele Rullo Mikepicker
Mikepicker
/ 4-render.cpp
Created
November 18, 2017 14:37
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| void render() { | |
| // Clear screen | |
| SDL_RenderClear(gRenderer); | |
| // Render zombies | |
| for (int i = 0; i < ZOMBIE_COUNT; i++) { | |
| if (zombies[i].alive) { | |
| SDL_Rect srcZombie = { .x = (zombies[i].frameX / zombieAnimSpeed) * zombieWidth, .y = zombies[i].frameY * zombieHeight, .w = zombieWidth, .h = zombieHeight }; | |
| SDL_Rect dstZombie = { .x = (int)zombies[i].x, .y = (int)zombies[i].y, .w = zombieWidth, .h = zombieHeight }; |
Mikepicker
/ 5-init.cpp
Created
November 20, 2017 12:53
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| const int ZOMBIE_COUNT = 20; | |
| const int SPAWN_FREQ = 3; | |
| unsigned int lastSpawnTime = 0, currentTime; | |
| int zombieAnimSpeed = 8; | |
| int zombieSpeed = 3; | |
| SDL_Texture* zombieTexture; | |
| struct Zombie { | |
| float x, y; | |
| int w = 64; // Width and height have been moved here for a cleaner code | |
| int h = 64; |
Mikepicker
/ 5-utils.cpp
Created
November 20, 2017 13:09
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| // Check collision between two boxes (http://lazyfoo.net/tutorials/SDL/27_collision_detection/index.php) | |
| bool collision(float xA, float xB, float yA, float yB, int wA, int wB, int hA, int hB) { | |
| if (yA + hA <= yB) { | |
| return false; | |
| } | |
| if (yA >= yB + hB) { | |
| return false; | |
| } |
Mikepicker
/ 5-survivor.cpp
Created
November 20, 2017 14:07
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| // If survivor is alive.. | |
| if (survivor.state != "state_dead") { | |
| ... | |
| // If survivor is stabbing.. | |
| if (survivor.state == "state_stab") { | |
| // If we're at the third animation frame, and attack has not been delivered yet.. | |
| if (survivor.frameX / survivor.animSpeed == 2 && !survivor.stab) { |
Mikepicker
/ 5-zombies.cpp
Created
November 20, 2017 14:17
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| // For each alive zombie.. | |
| for (int i = 0; i < ZOMBIE_COUNT; i++) { | |
| if (zombies[i].alive) { | |
| // Out of screen -> dead | |
| if (zombies[i].y > SCREEN_HEIGHT) { | |
| zombies[i].alive = false; | |
| } | |
| // Apply gravity |
Mikepicker
/ 5-bullets.cpp
Created
November 20, 2017 14:36
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| // For each alive bullet.. | |
| for (int i = 0; i < BULLET_COUNT; i++) { | |
| if (bullets[i].alive) { | |
| bullets[i].x += bulletSpeed * bullets[i].dir; | |
| // Out of screen -> dead | |
| if (bullets[i].x + bullets[i].w < 0 || bullets[i].x > SCREEN_WIDTH) { | |
| bullets[i].alive = false; | |
| } |
Mikepicker
/ 6-init.cpp
Created
November 22, 2017 09:50
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| // Font | |
| TTF_Font* gFont = NULL; | |
| // Score | |
| int score = 0; | |
| SDL_Texture* scoreTexture; | |
| int scoreWidth, scoreHeight; | |
| // Highscore | |
| Sint32 highScore; |
Mikepicker
/ 6-load.cpp
Created
November 22, 2017 10:44
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| void loadMedia() { | |
| // Init font | |
| gFont = TTF_OpenFont("assets/3Dventure.ttf", 28); | |
| if (gFont == NULL) { | |
| printf("Failed to load font! SDL_ttf Error: %s\n", TTF_GetError()); | |
| } | |
| // Load high score from file (http://lazyfoo.net/tutorials/SDL/33_file_reading_and_writing/index.php) | |
| SDL_RWops* file = SDL_RWFromFile("score.bin", "r+b"); |
Mikepicker
/ 6-utils.cpp
Last active
November 22, 2017 11:02
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| // Restart game | |
| void restart() { | |
| survivor.x = 200; | |
| survivor.y = 100; | |
| survivor.vX = 0; | |
| survivor.vY = 0; | |
| survivor.scaleX = 1; | |
| survivor.frameX = 0; | |
| survivor.frameY = 0; | |
| survivor.alive = true; |
Mikepicker
/ 6-update.cpp
Created
November 22, 2017 11:09
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| void update() { | |
| // If survivor is dead.. | |
| if (survivor.state == "state_dead") { | |
| // Check if "R" key is pressed and restart | |
| const Uint8* keys = SDL_GetKeyboardState(NULL); | |
| if (keys[SDL_SCANCODE_R]) { | |
| restart(); | |
| } |