Created
February 18, 2024 22:52
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Snake; Raylib; 50 lines
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| #include "raylib.h" | |
| int main() { | |
| enum { TILE_SIZE=16, ROWS=30, COLS=20 }; | |
| int score = 0; | |
| InitWindow(ROWS*TILE_SIZE, COLS*TILE_SIZE, "Snake"); | |
| SetTargetFPS(8); | |
| struct { int row; int col; int h_velocity; int v_velocity; int length; | |
| int body[ROWS][COLS]; } | |
| snake = { (int)ROWS/2, (int)COLS/2, 1, 0, 2, { 0 } }; | |
| struct { int row; int col; } | |
| food_position = { GetRandomValue(0, ROWS-1), | |
| GetRandomValue(0, COLS-1) }; | |
| while (! WindowShouldClose()) { | |
| switch (GetKeyPressed()) { | |
| case KEY_RIGHT: snake.h_velocity = 1; snake.v_velocity = 0; break; | |
| case KEY_LEFT: snake.h_velocity = -1; snake.v_velocity = 0; break; | |
| case KEY_DOWN: snake.v_velocity = 1; snake.h_velocity = 0; break; | |
| case KEY_UP: snake.v_velocity = -1; snake.h_velocity = 0; break; | |
| } snake.row += snake.h_velocity; snake.col += snake.v_velocity; | |
| BeginDrawing(); | |
| if (snake.row<0 || snake.col<0 || snake.row>=ROWS || snake.col>=COLS | |
| || snake.body[snake.row][snake.col] > 0) | |
| break; | |
| snake.body[snake.row][snake.col] = snake.length; | |
| if (snake.row==food_position.row && snake.col==food_position.col) { | |
| score += 100; snake.length++; | |
| food_position.row = GetRandomValue(0, ROWS-1); | |
| food_position.col = GetRandomValue(0, COLS-1); | |
| } | |
| ClearBackground(RAYWHITE); DrawRectangle(food_position.row * TILE_SIZE, | |
| food_position.col * TILE_SIZE, | |
| TILE_SIZE, TILE_SIZE, RED); | |
| for (int i=0; i < ROWS; ++i) for (int j=0; j < COLS; ++j) { | |
| DrawRectangleLines(i*TILE_SIZE, j*TILE_SIZE, | |
| TILE_SIZE, TILE_SIZE, LIGHTGRAY); | |
| snake.body[i][j] -= (snake.body[i][j] > 0) ? 1 : 0; | |
| if (snake.body[i][j] > 0) | |
| DrawRectangle(i * TILE_SIZE, j * TILE_SIZE, | |
| TILE_SIZE, TILE_SIZE, GREEN); | |
| } | |
| DrawText(TextFormat("SCORE: %i", score), | |
| TILE_SIZE, TILE_SIZE-2, 20, BLACK); | |
| EndDrawing(); | |
| } | |
| DrawText("GAME OVER!", GetScreenWidth()/2-MeasureText("GAME OVER!",40)/2, | |
| COLS*TILE_SIZE/4, 40, RED); EndDrawing(); | |
| CloseWindow(); return 0; | |
| } |
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MSVC compile with: