private void RenderPanel_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
int dx = e.X - old_mouse_x;
int dy = e.Y - old_mouse_y;
if (e.Button == MouseButtons.Left)
{
MCameraSceneNode camera = MFramework.Instance.SceneManager.GetActiveCamera();
if (camera.Valid)
{
MPolarCameraSceneNode cam = (camera as MPolarCameraSceneNode);
RSMPolarCoord coord = cam.Coord;
coord.fTheta -= (dx / 100.0f);
coord.fPhi += (dy / 200.0f);
cam.Coord = coord;
}
}
else if (e.Button == MouseButtons.Right)
{
MCameraSceneNode camera = MFramework.Instance.SceneManager.GetActiveCamera();
if (camera.Valid)
{
MPolarCameraSceneNode cam = (camera as MPolarCameraSceneNode);
Vector3 at = cam.LookAt;
Vector3 up = new Vector3(0, 0, 1);
Vector3 right = cam.Direction.CrossProduct(up);
right.Normalize();
right = right * (-dx);
at += right;
at.z += dy;
cam.LookAt = at;
}
}
old_mouse_x = e.X;
old_mouse_y = e.Y;
}
private void RenderPanel_MouseWheel(object sender, System.Windows.Forms.MouseEventArgs e)
{
float d = e.Delta * 0.2f;
MCameraSceneNode camera = MFramework.Instance.SceneManager.GetActiveCamera();
if (camera.Valid)
{
MPolarCameraSceneNode cam = (camera as MPolarCameraSceneNode);
RSMPolarCoord coord = cam.Coord;
coord.fRadius += d;
if (coord.fRadius < 0.01f)
{
coord.fRadius = 0.01f;
}
cam.Coord = coord;
}
}
public void ResetCamera()
{
MSceneNode cameraNode = new MPolarCameraSceneNode();
if (cameraNode.Valid)
{
MPolarCameraSceneNode cam = (cameraNode as MPolarCameraSceneNode);
MFramework.Instance.SceneManager.AddChild(cameraNode);
MFramework.Instance.SceneManager.SetActiveCamera(cameraNode as MCameraSceneNode);
Vector3 at = new Vector3(0, 0, 100);
RSMPolarCoord coord = cam.Coord;
coord.fPhi = 0.0f;
coord.fRadius = 200.0f;
cam.Coord = coord;
cam.LookAt = at;
cam.UpdateCamera();
}
// MCameraSceneNode camera = MFramework.Instance.SceneManager.GetActiveCamera();
// if (camera.Valid)
// {
// Vector3 dir = new Vector3(0, 0, 100);
// Vector3 pos = new Vector3(-200,0,100);
// dir = dir - pos;
// dir.Normalize();
//
// camera.Set(pos, dir, new Vector3(0,0,1));
// }
}