public void Move(float dx, float dy)
{
// normalize dist
float factor = Vector3d.length(m_eye - m_lookat) / 500.0f;
Move(dx, dy, factor);
}
public void MoveForward(float dist, float factor)
{
if (factor < 0.3)
{
factor = 0.3f;
}
dist = dist * factor;
Vector3d diff = (m_eye - m_lookat);
float len = Vector3d.length(diff) - dist;
if ((len <= 0) || (len >= 1000))
{
return;
}
diff.Normalize();
diff = diff * (float)dist;
m_eye = m_eye - diff;
UpdateView();
}
public void ResetViewAnim(float x, float y, float z, float updeg, float lookz)
{
m_animcnt = 10;
// move
m_animstep = AnimStep.StepMove;
m_animmovex = -m_dx / m_animcnt;
m_animmovey = -m_dy / m_animcnt;
m_animmovez = (lookz - m_dz) / m_animcnt;
// zoom
Vector3d diff = (m_eye - m_lookat);
float len = Vector3d.length(diff) - Vector3d.length(new Vector3d(x, y, z));
m_animzoom = len / m_animcnt;
// down
len = (float)Math.Sqrt(m_eye.x * m_eye.x + m_eye.y * m_eye.y);
float deg = (float)Math.Atan2(m_eye.z, len) / deg2rad;
if (m_up.z < 0)
{
deg = 180 - deg;
}
if (((deg > 85) && (deg < 95)) || ((deg < -85) && (deg > -95)))
{
RotateUp(-deg / 10);
deg -= deg / 10;
}
m_animdown = (updeg - deg) / m_animcnt;
// rotate
deg = (float)Math.Atan2(m_eye.x, -m_eye.y) / deg2rad;
if (m_up.z < 0)
{
deg += 180;
}
if (deg > 360)
{
deg -= 360;
}
m_animrot = deg / m_animcnt;
}
public void MoveForward(float dist)
{
float factor = Vector3d.length(m_eye - m_lookat) / 200.0f;
MoveForward(dist, factor);
}