//-----------------------------------------------------------------------------
// Purpose: Generates a view matrix based on our current yaw, pitch, and roll.
// The view matrix does not consider FOV or clip plane distances.
//-----------------------------------------------------------------------------
void CCamera::BuildViewMatrix()
{
// The camera transformation is produced by multiplying roll * yaw * pitch.
// This will transform a point from world space into quake camera space,
// which is exactly what we want for our view matrix. However, quake
// camera space isn't the same as material system camera space, so
// we're going to have to apply a transformation that goes from quake
// camera space to material system camera space.
CameraIdentityMatrix( m_ViewMatrix );
RotateAroundAxis(m_ViewMatrix, m_fPitch, 0 );
RotateAroundAxis(m_ViewMatrix, m_fRoll, 1);
RotateAroundAxis(m_ViewMatrix, m_fYaw, 2);
// Translate the viewpoint to the world origin.
VMatrix TempMatrix;
TempMatrix.Identity();
TempMatrix.SetTranslation( -m_ViewPoint );
m_ViewMatrix = m_ViewMatrix * TempMatrix;
m_ViewProjMatrix = m_ProjMatrix * m_ViewMatrix;
m_ViewProjMatrix.InverseGeneral( m_InvViewProjMatrix );
}
int SOPAngle::RotateAroundAxis(lua_State *L) {
SOPAngle *ang = RotateAroundAxis(Lunar<SOPVector>::check(L, 1), luaL_checknumber(L, 2));
if(ang)
{
Lunar<SOPAngle>::push(L, ang, true);
return 1;
}
lua_pushnil(L);
return 1;
}