#include #include #undef main #include "LaunchCircle.h" int main ( int argc, char** argv ) { // [1] Initialisation des SDL if ( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_TIMER) < 0 ) { printf( "Unable to init SDL: %s\n", SDL_GetError() ); return 1; } // make sure SDL cleans up before exit atexit(SDL_Quit); // create a new window SDL_Surface* screen = SDL_SetVideoMode(640, 480, 16, SDL_HWSURFACE|SDL_DOUBLEBUF); if ( !screen ) { printf("Unable to set 640x480 video: %s\n", SDL_GetError()); return 1; } // [2] création des composants LaunchCircle cercle(200, SDL_MapRGB(screen->format,255,128,0), 360, 150); int verrou(0); bool up(false); bool down(false); // [3] program main loop bool done = false; while (!done) { // message processing loop SDL_Event event; // check for messages while(SDL_PollEvent(&event)) { switch (event.type) { // exit if the window is closed case SDL_QUIT: done = true; break; // check for keypresses case SDL_KEYDOWN: { // exit if ESCAPE is pressed if (event.key.keysym.sym == SDLK_ESCAPE) done = true; if(event.key.keysym.sym == SDLK_UP) up=true; if(event.key.keysym.sym == SDLK_DOWN) down=true; break; } case SDL_KEYUP: { if(event.key.keysym.sym == SDLK_UP) up=false; if(event.key.keysym.sym == SDLK_DOWN) down=false; break; } } // end switch }//End message processing // [4] Calculs if (up) verrou++; if(down) verrou--; // [5] DRAWING STARTS HERE // clear screen SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 140, 128, 128)); cercle.afficher(320,240,verrou,screen); // draw bitmap // DRAWING ENDS HERE // finally, update the screen :) SDL_Flip(screen); } // end main loop // all is well ;) printf("Exited cleanly\n"); return 0; }