MathData const & InsetMathXYArrow::targetCell() const
{
#if 0
InsetMathXYMatrix const * p = targetMatrix();
int x = 0;
int y = 0;
MathData const & t = cell(0);
for (MathData::const_iterator it = t.begin(); it != t.end(); ++it) {
switch ((*it)->getChar()) {
case 'l': --x; break;
case 'r': ++x; break;
case 'u': --y; break;
case 'd': ++y; break;
}
}
//lyxerr << "target: x: " << x << " y: " << y << endl;
InsetMath::idx_type n = mi_.idx + p->ncols() * y + x;
if (n >= p->nargs()) {
lyxerr << "source: n: " << mi_.idx << "\n"
<< "target: n: " << n << " out of range" << endl;
n = 0;
}
return p->cell(n);
#else
static MathData dummy;
return dummy;
#endif
}
MathData const & InsetMathXYArrow::sourceCell() const
{
#if 0
return targetMatrix()->cell(mi_.idx);
#else
static MathData dummy;
return dummy;
#endif
}
void DemoCameraListener::PreUpdate (const NewtonWorld* const world, dFloat timestep)
{
// update the camera;
DemoEntityManager* const scene = (DemoEntityManager*) NewtonWorldGetUserData(world);
dMatrix targetMatrix (m_camera->GetNextMatrix());
int mouseX;
int mouseY;
scene->GetMousePosition (mouseX, mouseY);
// slow down the Camera if we have a Body
dFloat slowDownFactor = scene->IsShiftKeyDown() ? 0.5f/10.0f : 0.5f;
// do camera translation
if (scene->GetKeyState ('W')) {
targetMatrix.m_posit += targetMatrix.m_front.Scale(m_frontSpeed * timestep * slowDownFactor);
}
if (scene->GetKeyState ('S')) {
targetMatrix.m_posit -= targetMatrix.m_front.Scale(m_frontSpeed * timestep * slowDownFactor);
}
if (scene->GetKeyState ('A')) {
targetMatrix.m_posit -= targetMatrix.m_right.Scale(m_sidewaysSpeed * timestep * slowDownFactor);
}
if (scene->GetKeyState ('D')) {
targetMatrix.m_posit += targetMatrix.m_right.Scale(m_sidewaysSpeed * timestep * slowDownFactor);
}
if (scene->GetKeyState ('Q')) {
targetMatrix.m_posit -= targetMatrix.m_up.Scale(m_sidewaysSpeed * timestep * slowDownFactor);
}
if (scene->GetKeyState ('E')) {
targetMatrix.m_posit += targetMatrix.m_up.Scale(m_sidewaysSpeed * timestep * slowDownFactor);
}
// do camera rotation, only if we do not have anything picked
bool buttonState = m_mouseLockState || scene->GetMouseKeyState(0);
if (!m_targetPicked && buttonState) {
int mouseSpeedX = mouseX - m_mousePosX;
int mouseSpeedY = mouseY - m_mousePosY;
if (mouseSpeedX > 0) {
m_yaw = dMod(m_yaw + m_yawRate, 2.0f * 3.1416f);
} else if (mouseSpeedX < 0){
m_yaw = dMod(m_yaw - m_yawRate, 2.0f * 3.1416f);
}
if (mouseSpeedY > 0) {
m_pitch += m_pitchRate;
} else if (mouseSpeedY < 0){
m_pitch -= m_pitchRate;
}
m_pitch = dClamp(m_pitch, dFloat (-80.0f * 3.1416f / 180.0f), dFloat (80.0f * 3.1416f / 180.0f));
}
m_mousePosX = mouseX;
m_mousePosY = mouseY;
dMatrix matrix (dRollMatrix(m_pitch) * dYawMatrix(m_yaw));
dQuaternion rot (matrix);
m_camera->SetMatrix (*scene, rot, targetMatrix.m_posit);
UpdatePickBody(scene, timestep);
}
