September 2018
Intermediate to advanced
328 pages
9h 10m
English
Content preview from Learn WebAssembly
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The constructor and destructor
The first section of code defines the actions to perform when the class instance is loaded (constructor) and unloaded (destructor):
#include <cstdlib>#include <iostream>#include <stdexcept>#include "game.h"using namespace std;using namespace Constants;Game::Game() : // Create a new random piece: piece_{ static_cast<Piece::Kind>(rand() % 7) }, moveTime_(SDL_GetTicks()){ if (SDL_Init(SDL_INIT_VIDEO) != 0) { throw runtime_error( "SDL_Init(SDL_INIT_VIDEO): " + string(SDL_GetError())); } SDL_CreateWindowAndRenderer( BoardWidth, ScreenHeight, SDL_WINDOW_OPENGL, &window_, &renderer_); SDL_SetWindowPosition( window_, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED); SDL_SetWindowTitle(window_, "Tetris"); if (TTF_Init() ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.