void GameController::displayGamePlay() { glEnable(GL_DEPTH_TEST); // must be done each time before displaying graphics or gets disabled for some reason glLoadIdentity(); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); gluLookAt(0, 0, 0, 0, 0, -1, 0, 1, 0); for (int i = NUM_LAYERS - 1; i >= 0; --i) { std::set<GraphObject*> &graphObjects = GraphObject::getGraphObjects(i); for (auto it = graphObjects.begin(); it != graphObjects.end(); it++) { GraphObject* cur = *it; if (cur->isVisible()) { cur->animate(); double x, y, gx, gy, gz; cur->getAnimationLocation(x, y); convertToGlutCoords(x, y, gx, gy, gz); SpriteManager::Angle angle; switch (cur->getDirection()) { case GraphObject::up: angle = SpriteManager::face_up; break; case GraphObject::down: angle = SpriteManager::face_down; break; case GraphObject::left: angle = SpriteManager::face_left; break; case GraphObject::right: case GraphObject::none: default: angle = SpriteManager::face_right; break; } int imageID = cur->getID(); // the specialized Dirt plotting is an optimization to deal with the background Dirt, which requires a lot of horsepower to plot if (imageID == IID_DIRT) drawDirt(gx, gy, gz, cur->getSize()); else m_spriteManager.plotSprite(imageID, cur->getAnimationNumber() % m_spriteManager.getNumFrames(imageID), gx, gy, gz, angle, cur->getSize()); } } } drawScoreAndLives(m_gameStatText); glutSwapBuffers(); }
void GameController::displayGamePlay() { glEnable(GL_DEPTH_TEST); // must be done each time before displaying graphics or gets disabled for some reason glLoadIdentity(); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); gluLookAt(0, 0, 0, 0, 0, -1, 0, 1, 0); std::set<GraphObject*>& graphObjects = GraphObject::getGraphObjects(); for (auto it = graphObjects.begin(); it != graphObjects.end(); it++) { GraphObject* cur = *it; if (cur->isVisible()) { cur->animate(); double x, y, gx, gy, gz; cur->getAnimationLocation(x,y); convertToGlutCoords(x,y, gx, gy, gz); SpriteManager::Angles angle; switch (cur->getDirection()) { case GraphObject::up: angle = SpriteManager::face_up; break; case GraphObject::down: angle = SpriteManager::face_down; break; case GraphObject::left: angle = SpriteManager::face_left; break; default: case GraphObject::right: case GraphObject::none: angle = SpriteManager::face_right; break; } int imageID = cur->getID(); int frame = cur->getAnimationNumber() % m_spriteManager.getNumFrames(imageID); m_spriteManager.plotSprite(imageID, frame, gx, gy, gz, angle); } } drawScoreAndLives(m_gameStatText); glutSwapBuffers(); }