public virtual void Rotate(GamePlay.Camera.eCameraAxis axis, float angle, bool rotLookAt = false)
{
if (Camera == null)
{
return;
}
var pos = Camera.CameraData.Position;
var lookAt = Camera.CameraData.LookAt;
switch (axis)
{
case EngineNS.GamePlay.Camera.eCameraAxis.Forward:
{
var forward = Camera.CameraData.Direction;
var up = Camera.CameraData.Up;
var mat = EngineNS.Matrix.RotationAxis(forward, angle);
up = EngineNS.Vector3.TransformCoordinate(up, mat);
Camera.LookAtLH(pos, lookAt, up);
}
break;
case EngineNS.GamePlay.Camera.eCameraAxis.Up:
{
var up = EngineNS.Vector3.UnitY;
var mat = EngineNS.Matrix.RotationAxis(up, angle);
var dir = EngineNS.Vector3.TransformCoordinate((pos - lookAt), mat);
var newPos = lookAt + dir;
Camera.LookAtLH(newPos, lookAt, up);
}
break;
case EngineNS.GamePlay.Camera.eCameraAxis.Right:
{
var right = Camera.CameraData.Right;
var mat = EngineNS.Matrix.RotationAxis(right, angle);
var dir = EngineNS.Vector3.TransformCoordinate((pos - lookAt), mat);
var newPos = lookAt + dir;
Camera.LookAtLH(newPos, lookAt, Camera.CameraData.Up);
}
break;
}
KeepDirection = Camera.CameraData.Direction;
}
public virtual void Move(GamePlay.Camera.eCameraAxis axis, float step, bool moveWithLookAt = false)
{
//if (Camera == null)
// return;
//var pos = Camera.Position;
//var lookAt = Camera.LookAt;
//switch(axis)
//{
// case EngineNS.GamePlay.Camera.eCameraAxis.Forward:
// {
// var dir = pos - lookAt;
// var len = dir.Length();
// if(step < len)
// {
// dir.Normalize();
// var newPos = pos - dir * step;
// Camera.LookAtLH(newPos, lookAt, EngineNS.Vector3.UnitY);
// }
// }
// break;
// case EngineNS.GamePlay.Camera.eCameraAxis.Up:
// {
// var up = Camera.Up;
// up.Normalize();
// var delta = up * step;
// var newPos = pos + delta;
// var newLookAt = lookAt + delta;
// Camera.LookAtLH(newPos, newLookAt, up);
// }
// break;
// case EngineNS.GamePlay.Camera.eCameraAxis.Right:
// {
// var right = Camera.Right;
// right.Normalize();
// var delta = right * step;
// var newPos = pos - delta;
// var newLookAt = lookAt - delta;
// Camera.LookAtLH(newPos, newLookAt, Camera.Up);
// }
// break;
//}
}
