void World::run()
{
m_screen->init( "Phys2D" );
m_grid->init( vec2d { -20, -20 }, vec2d { 800, 600 }, 40 );
const double fps = 100;
const double dt = 1 / fps;
double accumulator = 0;
double frame_start = get_time();
//Positional correction test (inside circle)
Circle test1 ( vec2d { 300, 300 }, 50 );
Rectangle test2 ( vec2d { 310, 300 }, 10, 10 );
Circle test3 ( vec2d { 300, 310 }, 10 );
test3.set_colour( 0xFFFF0000 );
test2.set_colour( 0xFFFFFF00 );
m_grid->add( &test1 );
//m_grid->add( &test2 );
m_grid->add( &test3 );
m_grid->add( &test2 );
//Positional correction test (inside Rectangle)
Rectangle test4 ( vec2d { 500, 300 }, 50, 70 );
Circle test5 ( vec2d { 500, 320 }, 10 );
Rectangle test6 ( vec2d { 510, 300 }, 10, 10 );
m_grid->add( &test4 );
m_grid->add( &test5 );
m_grid->add( &test6 );
Circle test7 ( vec2d { 100, 500 }, 100, 1, vec2d { 200, -200 } );
m_grid->add( &test7 );
while( m_screen->is_running() )
{
const double current_time = get_time();
accumulator += current_time - frame_start;
frame_start = current_time;
if( accumulator > 0.2 )
{
accumulator = 0.2;
}
m_screen->clear();
m_screen->handle_events();
while( accumulator > dt )
{
accumulator -= dt;
m_grid->update( dt );
}
draw_entities();
m_screen->render();
}
m_screen->quit();
}
// Render the game to the screen
void update_screen(void) {
// Locals
int elapsed;
frame++;
draw_backdrop();
draw_entities();
draw_overlay();
// Lock the refresh rate to 60 FPS
SDL_Flip(screen);
elapsed = frame_start_time - SDL_GetTicks();
if (elapsed < FRAME_TIME) {
SDL_Delay(FRAME_TIME - elapsed);
}
}
void draw_playing_field(sf::RenderWindow & win, level const & l)
{
auto top_left_pos = top_left_window_position(l);
draw_entities(win, top_left_pos, l);
draw_chip(win, top_left_pos, l);
}
