protected override void LoadContent()
{
spriteBatch = new SpriteBatch(GraphicsDevice);
this.Services.AddService(typeof(SpriteBatch), spriteBatch);
system = new TreeSystem();
turtle = new Turtle(this);
turtle.Operations.Add('a', () => turtle.Draw(dist));
turtle.Operations.Add('b', () => turtle.Draw(dist));
turtle.Operations.Add('m', () => turtle.Move(dist));
turtle.Operations.Add('-', () => turtle.Turn(MathHelper.ToRadians(-angle)));
turtle.Operations.Add('+', () => turtle.Turn(MathHelper.ToRadians(angle)));
turtle.Operations.Add('[', () => { turtle.Push(); turtle.Turn(MathHelper.ToRadians(-angle)); });
turtle.Operations.Add(']', () => { turtle.Pop(); turtle.Turn(MathHelper.ToRadians(angle)); });
turtle.Drawings.Add(system.Get(level, 1));
base.LoadContent();
}
protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Clear(Color.Black);
turtle.Position = new Vector2(Window.ClientBounds.Center.X, Window.ClientBounds.Center.Y);
turtle.Angle = MathHelper.ToRadians(-90);
spriteBatch.Begin();
turtle.Draw(gameTime);
spriteBatch.End();
base.Draw(gameTime);
}
protected override void Draw()
{
Turtle.Draw();
}
// This brings our application back to a clean state.
// We create a fresh new canvas the same size as the current
// form, create a new turtle to reference that canvas,
// and draw the turtle.
private void InitializeCanvas()
{
this.pictureBox.Image =
new Bitmap(pictureBox.Width, pictureBox.Height);
drawingSurface = Graphics.FromImage(this.pictureBox.Image);
drawingSurface.SmoothingMode =
System.Drawing.Drawing2D.SmoothingMode.HighQuality;
turtle = new Turtle(drawingSurface);
turtle.Reset();
savedImage = new Bitmap(this.pictureBox.Image);
turtle.Draw();
}