/// <summary>
/// 设置当前的偏移起点
/// </summary>
/// <param name="p"></param>
public void SetPoint(Albert.Geometry.Primitives.Vector2D p)
{
if (GeometryShape == null)
{
this.start = p;
GeometryShape = tagert.Copy(true);
if (DrawStartEvent != null)
{
this.DrawStartEvent(new ActionEventArgs(GeometryShape));
this.GeometryShape.IsActioning = true;
}
}
else
{
this.end = p;
//完成当前的移动
this.Complete();
}
}
/// <summary>
/// 移动的拖放
/// </summary>
/// <param name="p"></param>
public void Erase(Albert.Geometry.Primitives.Vector2D p)
{
this.end = p;
//已经移动的距离
Vector2D totlemove = this.end - this.start;
//增量的移动距离
var incrementmove = totlemove - lastmove;
//最终移动距离
lastmove = totlemove;
//移动当前图形
this.GeometryShape.Move(incrementmove);
//擦除效果
if (this.DrawEraseEvent != null)
{
this.DrawEraseEvent(new ActionEventArgs(GeometryShape));
}
}
/// <summary>
/// 开始进行转动
/// </summary>
/// <param name="p"></param>
public void Erase(Albert.Geometry.Primitives.Vector2D p)
{
this.end = p;
//已经移动的距离
Vector2D direction = Line2D.Create(this.start, this.end).Direction;
//增量的移动距离
double a = Vector2D.BasisX.AngleFrom(direction);
double incrementAngle = a - lastAngle;
//最终移动距离
lastAngle = a;
//移动当前图形
this.GeometryShape.Rolate(start, incrementAngle);
//擦除效果
if (this.DrawEraseEvent != null)
{
this.DrawEraseEvent(new ActionEventArgs(GeometryShape));
}
}
/// <summary>
/// 对齐尝试
/// </summary>
/// <param name="p"></param>
public void Erase(Albert.Geometry.Primitives.Vector2D p)
{
if (DrawEraseEvent != null)
{
}
}
/// <summary>
/// 指定当前的对齐点
/// </summary>
/// <param name="p"></param>
public void SetPoint(Albert.Geometry.Primitives.Vector2D p)
{
if (DrawStartEvent != null)
{
}
}