public static int CreateCamera(GraphicsDevice gd, int entityTrackId)
{
ComponentManager cm = ComponentManager.GetInstance();
TransformComponent transform = new TransformComponent()
{
Position = new Vector3(-10, 350, -170),
Rotation = Vector3.Right,
Up = Vector3.Up
};
CameraComponent camera = new CameraComponent()
{
FieldOfView = 45,
NearPlaneDistance = 1,
FarPlaneDistance = 10000,
AspectRatio = gd.DisplayMode.AspectRatio,
};
TrackingCameraComponent trackComp = new TrackingCameraComponent(entityTrackId, new Vector3(0, 10, 20));
int cam = cm.AddEntityWithComponents(new IComponent[] { camera, trackComp, transform });
return(cam);
}
public void Update(GameTime gametime)
{
foreach (var tracker in cm.GetComponentsOfType <TrackingCameraComponent>())
{
TrackingCameraComponent trackComp = (TrackingCameraComponent)tracker.Value;
TransformComponent trackPos = cm.GetComponentForEntity <TransformComponent>(trackComp.Target);
TransformComponent camPos = cm.GetComponentForEntity <TransformComponent>(tracker.Key);
CameraComponent camComp = cm.GetComponentForEntity <CameraComponent>(tracker.Key);
Matrix rotationMatrix = Matrix.CreateRotationY(trackPos.Rotation.X);
Vector3 transformedOffset = Vector3.Transform(trackComp.Offset, rotationMatrix);
camPos.Position = trackPos.Position + transformedOffset;
camPos.Rotation = trackPos.Position - camPos.Position;
}
}
public static int CreateTrackingCamera(GraphicsDevice gd, int entityTrackId)
{
TransformComponent transform = new TransformComponent()
{
Position = new Vector3(-10, 350, -170),
Rotation = Vector3.Right,
Up = Vector3.Up
};
CameraComponent camera = new CameraComponent()
{
FieldOfView = 45,
NearPlaneDistance = 1,
FarPlaneDistance = 10000,
AspectRatio = gd.DisplayMode.AspectRatio,
};
TrackingCameraComponent trackingCamera = new TrackingCameraComponent(entityTrackId, new Vector3(0, 3, 10));
return(cm.AddEntityWithComponents(camera, trackingCamera, transform));
}
