/// <inheritdoc />
/// <summary>
/// If the action of selecting scene nodes at the scene is active
/// we will draw selecting rectangle.
/// </summary>
public override void Draw(SceneBatch sceneBatch)
{
// If the action of selecting objects at the scene is active
// we will draw selecting rectangle.
if (SelectingNodes)
{
sceneBatch.ApplyBasicEffect();
sceneBatch.GraphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleStrip, drawSelectingRectangle, 0, 2);
}
}
/// <summary>
/// Initializes <see cref="SceneScreen"/>.
/// </summary>
protected override void Initialize()
{
_nodes = new SceneNodesList(this);
AllowDrop = true;
font = Content.Load <SpriteFont>("EditorFont");
updateIcon = Content.Load <Texture2D>("UpdateIcon");
MouseMove += new MouseEventHandler(SceneScreenControl_MouseMove);
MouseUp += new MouseEventHandler(SceneScreenControl_MouseUp);
MouseDown += new MouseEventHandler(SceneScreenControl_MouseDown);
MouseWheel += new MouseEventHandler(SceneScreenControl_MouseWheel);
KeyDown += new KeyEventHandler(SceneScreenControl_KeyDown);
KeyUp += new KeyEventHandler(SceneScreenControl_KeyUp);
KeyPress += new KeyPressEventHandler(SceneScreenControl_KeyPress);
DragEnter += new DragEventHandler(SceneScreen_DragEnter);
DragDrop += new DragEventHandler(SceneScreenControl_DragDrop);
Resize += new EventHandler(SceneScreen_Resize);
// set moving state as default state
State = new MovingNodesSceneState()
{
Screen = this
};
sceneBatch = new SceneBatch(GraphicsDevice);
RenderCircle.Init(GraphicsDevice, Content);
SceneScreen_Resize(null, null);
Position = new Vector2();
Zoom = 100;
}
/// <summary> /// Draws the shapes of the scene node, if any. /// </summary> /// <param name="sceneBatch">The scene batch for drawing the shapes of the scene node.</param> public abstract void DrawShapes(SceneBatch sceneBatch);
/// <summary> /// Draws the scene node. /// </summary> /// <param name="sceneBatch">The scene batch for drawing the scene node.</param> public abstract void Draw(SceneBatch sceneBatch);
/// <summary>
/// Called when the <see cref="SceneScreen"/> is drawing. Override this method with state-specific drawing code.
/// </summary>
/// <param name="sceneBatch">The scene batch for drawing the state.</param>
public virtual void Draw(SceneBatch sceneBatch)
{
}