void SpriteTestApp::draw()
{
// clear out the window with black
gl::clear( Color( 0, 0, 0 ) );
gl::disable( GL_TEXTURE_2D );
gl::drawLine( Vec2f{ getWindowWidth() / 2, 0 }, Vec2f{ getWindowWidth() / 2, getWindowHeight() } );
mSpriteSheet->enableAndBind();
mSimpleRenderer.render();
mSpriteAnimation.render();
gl::pushModelView();
gl::translate( Vec2f{ getWindowWidth() / 2, 0.0f } );
mRenderer2dStrip.render();
mSpriteAnimation.render();
gl::popModelView();
}
//regulating bkg speed
void bkgSpriteAnimation(int speed) // moving the background
{
// scrolling offset of background
SpriteAnimationoff-=speed;
// reinitialization
if(SpriteAnimationoff< -bkg.getwidth())
SpriteAnimationoff=0;
SDL_RenderClear( renderer );
// renders background from both sides so as to give a continuity
// calling rendering function
bkg.render(SpriteAnimationoff,0);
bkg.render(SpriteAnimationoff + bkg.getwidth(), 0);
}