C++ (Cpp) BezierCurve::calculatePoint примеры использования

Пример #1

Файл: camera.cpp Проект: zhenyouluo/QEditor

void Camera::playSequence()
{
    Q_D(Camera);

    int curveIndex = MathHelper::toInt(floor(MathHelper::toFloat(d->play_tick) / MathHelper::toFloat(d->play_ticks / d->curves.count())));
    int playTicks  = d->play_ticks / d->curves.count();
    int playTick   = d->play_tick - (playTicks * curveIndex);

    if(curveIndex >= d->curves.count())
        stop();

    BezierCurve* curve = d->curves.at(curveIndex);

    ++d->play_tick;

    float t = 1.0f / playTicks * playTick;

    setPosition(curve->calculatePoint(t));
    setViewCenter(curve->calculateViewCenter(t));
    setUpVector(curve->calculateUpVector(t));

    if(d->play_tick == d->play_ticks)
        stop(false);
}