public FunkyRenderContext(Form Form)
     : base()
 {
     this._Form = Form;
     this._Form.SizeChanged +=_Form_SizeChanged;
     this._Ground = FunkyPoly.CreateRectangle(0, Form.Height * 4 / 5f, Form.Width, Form.Height / 5f);
 }
 private void _Form_SizeChanged(object sender, EventArgs e)
 {
     this._Ground = FunkyPoly.CreateRectangle(0, _Form.Height * 4 / 5f, _Form.Width, _Form.Height / 5f);
 }