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...
SDL_Window* gWindow = NULL;
SDL_Surface* gScreenSurface = NULL;
SDL_Surface *Background = NULL;
SDL_Renderer* gRenderer = NULL;
//Scene sprites
SDL_Rect gSpriteClips[Ball::s_num_balls];
LTexture gSpriteSheetTexture; // classe perso
bool init()
{
//Initialization flag
bool success = true;
//Initialize SDL
if( SDL_Init( SDL_INIT_VIDEO ) < 0 )
{
printf( "SDL could not initialize! SDL Error: %s\n", SDL_GetError() ); success = false;
}
else
{
//Set texture filtering to linear
SDL_SetHint( SDL_HINT_RENDER_SCALE_QUALITY, "1" );
gWindow = SDL_CreateWindow( "Colliding Balls", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN );
if( gWindow == NULL )
{
printf( "Window could not be created! SDL Error: %s\n", SDL_GetError() );
success = false;
}
else
{
gRenderer = SDL_CreateRenderer( gWindow, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC );
SDL_SetRenderDrawColor( gRenderer, 0xFF, 0xFF, 0xFF, 0xFF );
gScreenSurface = SDL_GetWindowSurface( gWindow );
}
}
}
return success;
}
bool loadMedia()
{
...
Background=IMG_Load("background.png");
...
}
void close()
{
...
}
int main( int argc, char* args[] )
{
if( !init() )
{
printf( "Failed to initialize!\n" );
}
else
{
//Load media
if( !loadMedia() )
{
printf( "Failed to load media!\n" );
}
else
{
//Main loop flag
bool quit = false;
//Event handler
SDL_Event e;
SDL_BlitSurface(Background, NULL, gScreenSurface, NULL );
...
//While application is running
while( !quit )
{
//Handle events on queue
while( SDL_PollEvent( &e ) != 0 )
{
//User requests quit
if( e.type == SDL_QUIT )
{
quit = true;
}
}
//Clear screen
SDL_SetRenderDrawColor( gRenderer, 0xFF, 0xFF, 0xFF, 0xFF );
SDL_RenderClear( gRenderer );
SDL_UpdateWindowSurface(gWindow);
for(int i=0; i<Ball::s_num_balls; i++){
balls[i]->move_(0, 0, SCREEN_WIDTH - 100, SCREEN_HEIGHT - 100);
balls[i]->collision(balls);
gSpriteSheetTexture.render( balls[i]->m_x, balls[i]->m_y, gRenderer, &gSpriteClips[i] );
}
//Update screen
SDL_RenderPresent( gRenderer );
}
}
}
//Free resources and close SDL
close();
return 0;
} |
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