void GeometryInteractor::mouseMove(SimpleOpenGLWidget* simpleOpenGLWidget, int x, int y)
{
// y window coordinates are opposite of opengl coordinates
// invert
y = invertY(y, simpleOpenGLWidget->getHeight());
if (m_ButtonDown) {
switch (m_Button)
{
case Qt::LeftButton:
doTranslation(simpleOpenGLWidget, m_OldX, m_OldY, x, y);
break;
case Qt::MidButton:
doScaling(simpleOpenGLWidget, m_OldX, m_OldY, x, y);
break;
case Qt::RightButton:
doRotation(simpleOpenGLWidget, m_OldX, m_OldY, x, y);
break;
default:
break;
}
}
m_OldX = x;
m_OldY = y;
}
void Box2DBody::setLinearVelocity(const QPointF &velocity)
{
if (linearVelocity() == velocity)
return;
mBodyDef.linearVelocity = invertY(velocity);
if (mBody)
mBody->SetLinearVelocity(mBodyDef.linearVelocity);
emit linearVelocityChanged();
}
void GeometryInteractor::startDrag(SimpleOpenGLWidget* simpleOpenGLWidget, int x, int y, Qt::ButtonState button)
{
// y window coordinates are opposite of opengl coordinates
// invert
y = invertY(y, simpleOpenGLWidget->getHeight());
m_ButtonDown = true;
m_Button = button;
m_OldX = x;
m_OldY = y;
}
QPointF Box2DMouseJoint::getReactionForce(float32 inv_dt) const
{
if (mouseJoint())
return invertY(mouseJoint()->GetReactionForce(inv_dt));
return QPointF();
}
QPointF Box2DBody::getLinearVelocityFromLocalPoint(const QPointF &point) const
{
if (mBody)
return invertY(mBody->GetLinearVelocityFromLocalPoint(mWorld->toMeters(point)));
return QPointF();
}
void Box2DBody::applyForceToCenter(const QPointF &force)
{
if (mBody)
mBody->ApplyForceToCenter(invertY(force), true);
}
void Box2DBody::applyForce(const QPointF &force, const QPointF &point)
{
if (mBody)
mBody->ApplyForce(invertY(force), mWorld->toMeters(point), true);
}
void Box2DBody::applyLinearImpulse(const QPointF &impulse,
const QPointF &point)
{
if (mBody)
mBody->ApplyLinearImpulse(invertY(impulse), mWorld->toMeters(point), true);
}
QPointF Box2DBody::linearVelocity() const
{
if (mBody)
return invertY(mBody->GetLinearVelocity());
return invertY(mBodyDef.linearVelocity);
}
