Created
July 12, 2016 08:12
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Basic SDL2 2D C++ Application (c++1y)
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| #include <iostream> | |
| #include <SDL2/SDL.h> | |
| constexpr int SCREEN_WIDTH = 800; | |
| constexpr int SCREEN_HEIGHT = 600; | |
| int main(int argc, char *argv[]) { | |
| if (SDL_Init( SDL_INIT_VIDEO) < 0) { | |
| std::cerr << "There was an error initializing SDL2: " << SDL_GetError() << std::endl; | |
| return 1; | |
| } | |
| SDL_Window* displayWindow = SDL_CreateWindow("Basic SDL2 2D application", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI); | |
| if (displayWindow == nullptr) { | |
| std::cerr << "There was an error creating the window: " << SDL_GetError() << std::endl; | |
| return 1; | |
| } | |
| SDL_Renderer* renderer = SDL_CreateRenderer(displayWindow, -1, SDL_RendererFlags::SDL_RENDERER_ACCELERATED); | |
| if (renderer == nullptr) { | |
| std::cerr << "There was an error creating the renderer: " << SDL_GetError() << std::endl; | |
| return 1; | |
| } | |
| // draw sample stuff | |
| SDL_RenderClear(renderer); | |
| SDL_SetRenderDrawColor(renderer, 255, 255, 255, SDL_ALPHA_OPAQUE); | |
| SDL_Rect rect { 100, 100, SCREEN_WIDTH - 200, SCREEN_HEIGHT - 200 }; | |
| SDL_RenderFillRect(renderer, &rect); | |
| SDL_RenderPresent(renderer); | |
| // sleep for 5 seconds | |
| SDL_Delay(5000); | |
| // Clean up | |
| SDL_DestroyRenderer(renderer); | |
| SDL_DestroyWindow(displayWindow); | |
| SDL_Quit(); | |
| return 0; | |
| } |
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