public SandboxGame()
{
var deviceManager = new GraphicsDeviceManager(this);
Content.RootDirectory = "Content";
_penumbra = new PenumbraComponent(this)
{
SpriteBatchTransformEnabled = false,
AmbientColor = Color.Black
};
Components.Add(_penumbra);
_penumbraController = new PenumbraControllerComponent(this, _penumbra);
Components.Add(_penumbraController);
Scenarios = new ScenariosComponent(this, _penumbra, _penumbraController);
Components.Add(Scenarios);
var ui = new UIComponent(this, _penumbraController)
{
DrawOrder = int.MaxValue
};
Components.Add(ui);
_camera = new CameraMovementComponent(this);
Components.Add(_camera);
Components.Add(new FpsGarbageComponent(this));
// There's a bug when trying to change resolution during window resize.
// https://github.com/mono/MonoGame/issues/3572
deviceManager.PreferredBackBufferWidth = 1280;
deviceManager.PreferredBackBufferHeight = 720;
Window.AllowUserResizing = false;
IsMouseVisible = true;
}
public bool Execute(ISceneSnapshot snapshot, IContextState context)
{
var entity = context.GetEntityManager().GetEntity(snapshot.CurrentCameraTag);
var state = entity.GetComponent <OrthographicCameraComponent>().GetState();
var delta = InputState.Delta;
var data = new MovementData {
End = InputState.CurrentPosition
};
entity.UpdateComponent(CameraMovementComponent.CreateZoom(state, data, delta, 0.001f));
return(true);
}
public bool Execute(ISceneSnapshot snapshot, IContextState context)
{
var p1 = InputState.ButtonsStates[GeneralMouseButtons.Left].PointV2;
var manager = context.GetEntityManager();
var camera = manager.GetEntity(snapshot.CurrentCameraTag);
var world = manager.GetEntity(snapshot.WorldTag);
world.UpdateComponent(CaptureTargetUnderMouseComponent.Create(p1));
camera.AddComponent(CameraMovementComponent.ChangeRotationCenter(
camera.GetComponent <OrthographicCameraComponent>().GetState(),
new MovementData {
Begin = p1
}));
return(true);
}
public bool Execute(ISceneSnapshot snapshot, IContextState context)
{
var entity = context.GetEntityManager().GetEntity(snapshot.CurrentCameraTag);
var state = entity.GetComponent <OrthographicCameraComponent>().GetState();
var p11 = InputState.ButtonsStates[GeneralMouseButtons.Right].PointV2;
var p2 = InputState.CurrentPosition;
var data = new MovementData {
Begin = p11, End = p2
};
//var any = entity.GetComponents<CameraMovementComponent>();
//if (any.Any()) {//get prev state... means manipulate is continuing
// state = any.Single().State;
//}
entity.UpdateComponent(CameraMovementComponent.CreateRotate(state, data, sensitivity));
return(true);
}
public bool Execute(ISceneSnapshot snapshot, IContextState context)
{
var entity = context.GetEntityManager().GetEntity(snapshot.CurrentCameraTag);
if (!entity.TryGetComponent(out OrthographicCameraComponent ccom))
{
return(false);
}
var p11 = InputState.ButtonsStates[GeneralMouseButtons.Right].PointV2;
var p2 = InputState.CurrentPosition;
var data = new MovementData {
Begin = p11, End = p2
};
var state = ccom.GetState();
entity.UpdateComponent(CameraMovementComponent.CreateRotate(state, data, sensitivity));
return(true);
}
public bool Execute(ISceneSnapshot snapshot, IContextState context)
{
var entity = context.GetEntityManager().GetEntity(snapshot.CurrentCameraTag);
var p1 = InputState.ButtonsStates[GeneralMouseButtons.Right].PointV2;// InputState.PrevPosition;
var p2 = InputState.CurrentPosition;
var data = new MovementData {
Begin = p1, End = p2
};
var state = entity.GetComponent <OrthographicCameraComponent>().GetState();
if (entity.TryGetComponent <CameraMovementComponent>(out var movement))
{
//get prev state... means manipulate is continuing
state = movement.State;
}
entity.UpdateComponent(CameraMovementComponent.CreatePan(state, data));
return(true);
}
protected virtual OrthographicCameraComponent HandleZooming(ISceneSnapshot snapshot, OrthographicCameraComponent camera, CameraMovementComponent component)
{
var changed = OrthographicCameraComponent.Clone(camera);
float delta = component.Delta;
var nscale = camera.Scale - (delta * component.SpeedValue);
if (nscale > 0)
{
changed.Scale = nscale;
}
return(changed);
}
protected virtual OrthographicCameraComponent HandleChangingRotateCenter(ISceneSnapshot snapshot,
OrthographicCameraComponent camera, ref CameraMovementComponent component)
{
var world = ContextState.GetEntityManager().GetEntity(snapshot.WorldTag);
if (world.TryGetComponents(
out CaptureTargetUnderMouseComponent capture,
out CollidedWithEntityByRayComponent collided))
{
var changed = OrthographicCameraComponent.Clone(camera);
changed.RotatePoint = collided.IntersectionPositionWorld;
var begin = snapshot.Viewport.Vector3ToScreen(changed.Position, camera.GetState(), snapshot.Surface);
var move = new Vector2(capture.ScreenPosition.X - begin.X, capture.ScreenPosition.Y - begin.Y);
var PanK = (changed.Width * changed.Scale) / snapshot.Surface.Size.Width;
var projectionMove = new Vector2(move.X * PanK, move.Y * PanK);
var left = Vector3.Cross(changed.UpDirection, changed.LookDirection).Normalized();
var up = Vector3.Cross(changed.LookDirection, left).Normalized();
var panVector = left * projectionMove.X + up * projectionMove.Y;
changed.Position += -panVector;
world.RemoveComponents <CaptureTargetUnderMouseComponent, CollidedWithEntityByRayComponent>();
camera = changed;
}
return(camera);
}
protected virtual OrthographicCameraComponent HandlePanning(ISceneSnapshot snapshot, OrthographicCameraComponent camera, CameraMovementComponent component)
{
var state = component.State;
var data = component.MovementData;
var changed = OrthographicCameraComponent.Clone(camera);
var forward = state.LookDirection;
var left = Vector3.Cross(state.UpDirection, forward).Normalized();
var up = Vector3.Cross(forward, left).Normalized();
var move = new Vector2(data.End.X - data.Begin.X, data.End.Y - data.Begin.Y);
var PanK = (changed.Width * changed.Scale) / snapshot.Surface.Size.Width;
var projectionMove = new Vector2(move.X * PanK, move.Y * PanK);
var panVector = left * projectionMove.X + up * projectionMove.Y;
changed.Position = state.Position + panVector;
return(changed);
}
protected virtual OrthographicCameraComponent HandleRotatingWithCursorReturningPosition(ISceneSnapshot snapshot, OrthographicCameraComponent camera, CameraMovementComponent component)
{
var state = component.State;
var data = component.MovementData;
var cursorPosition = snapshot.InputSnapshot.CurrentInputState.ButtonsStates[GeneralMouseButtons.Right]
.CursorPoint.ToDrawingPoint();
var rotateAround = camera.RotatePoint;
var delta = data.End - data.Begin;
var relativeTarget = rotateAround - state.Target;
var relativePosition = rotateAround - state.Position;
var cUp = Vector3.Normalize(state.UpDirection);
var up = state.UpDirection;
var dir = Vector3.Normalize(state.LookDirection);
var right = Vector3.Cross(dir, cUp);
float d = -0.5f;
d *= component.SpeedValue;
var xangle = d * 1 * delta.X / 180 * (float)Math.PI;
var yangle = d * delta.Y / 180 * (float)Math.PI;
//System.Diagnostics.Trace.WriteLine($"up: {up}/{xangle}, right: {right}/{yangle}");
var q1 = Quaternion.CreateFromAxisAngle(up, xangle);
var q2 = Quaternion.CreateFromAxisAngle(right, yangle);
Quaternion q = q1 * q2;
var m = Matrix4x4.CreateFromQuaternion(q);
var newRelativeTarget = Vector3.Transform(relativeTarget, m);
var newRelativePosition = Vector3.Transform(relativePosition, m);
var newTarget = rotateAround - newRelativeTarget;
var newPosition = rotateAround - newRelativePosition;
var changed = OrthographicCameraComponent.Clone(camera);
changed.UpDirection = Vector3.TransformNormal(cUp, m);
changed.LookDirection = (newTarget - newPosition);
changed.Position = newPosition;
return(changed);
}
