/// <summary>
/// 创建跟随单位的跨肩视角或其它第三人称视角的相机
/// </summary>
/// <param name="aunit">得到跟随的单位</param>
/// <param name="unitTranslation">相对于单位原位置的平移</param>
//public void follow(Unit aunit,Vector3 unitTranslation)
//{
// chasingUnit = aunit;
// ARCameraObjOffset = unitTranslation;
// chasing = true;
//}
public void follow(AR3DObject aunit)
{
targetObject = aunit;
UpdateCameraTarget(targetObject.Position, targetObject.Face, targetObject.Up);
Reset();
}
public ARComplexCamera(GraphicsDevice device, Vector3 position, AR3DObject target, Vector3 Up)
: this(device)
{
this.cameraType = CameraType.Observer;
this.position = position;
this.ObjUp = Up;
this.observedUnit = target;
this.observedPoint = target.Position;
}
public static ARComplexCamera CreateAODChaseCamera(GraphicsDevice device, AR3DObject unit)
{
ARComplexCamera c = new ARComplexCamera(device);
c.cameraType = CameraType.AODChaseCamera;
c.cameraObjOffset = new Vector3(0, 10, 40);
c.lookAtOffset = new Vector3(0, 0, -1000);
c.follow(unit);
return(c);
}
public static ARComplexCamera CreateNormalFollowCamera(GraphicsDevice device, AR3DObject unit)
{
ARComplexCamera c = new ARComplexCamera(device);
c.cameraType = CameraType.NormalCamera;
c.cameraObjOffset = new Vector3(6, 5, 20);
c.lookAtOffset = new Vector3(0, 0, -1000);
c.follow(unit);
return(c);
}
public static ARComplexCamera CreateSpringFollowCamera(GraphicsDevice device, AR3DObject unit)
{
ARComplexCamera c = new ARComplexCamera(device);
c.cameraType = CameraType.SpringCamera;
c.cameraObjOffset = new Vector3(0, 10, 40);
c.lookAtOffset = new Vector3(0, 4, -8);
c.follow(unit);
return(c);
}
