/// <summary>
/// 获取小车多边形
/// </summary>
/// <param name="pDollyCenter"></param>
/// <param name="iDollySize"></param>
/// <param name="dDollyAngle"></param>
/// <param name="oDollyOrientation"></param>
/// <returns></returns>
internal static Point[] GetDollyPoints(Point pDollyCenter, int iDollySize, double dDollyAngle, CommonDefine.Orientation oDollyOrientation)
{
//计算斜边长 = 1.414 * 正方形边长
double dHypotenuse = (iDollySize / 2) * 1414 / 1000; //线段长度
double dRadian = (45 - dDollyAngle) * Math.PI / 180;
Point p1 = new Point((pDollyCenter.X - iDollySize / 2), (pDollyCenter.Y - iDollySize / 2));
Point p2 = new Point((pDollyCenter.X + iDollySize / 2), (pDollyCenter.Y - iDollySize / 2));
Point p3 = new Point((pDollyCenter.X + iDollySize / 2), (pDollyCenter.Y + iDollySize / 2));
Point p4 = new Point((pDollyCenter.X - iDollySize / 2), (pDollyCenter.Y + iDollySize / 2));
if ((Math.Abs(dDollyAngle)) == 45) //+-45度的时候单独处理一下
{
p1.X = pDollyCenter.X;
p1.Y = pDollyCenter.Y - Convert.ToInt32(dHypotenuse);
p2.X = pDollyCenter.X + Convert.ToInt32(dHypotenuse);
p2.Y = pDollyCenter.Y;
p3.X = pDollyCenter.X;
p3.Y = pDollyCenter.Y + Convert.ToInt32(dHypotenuse);
p4.X = pDollyCenter.X - Convert.ToInt32(dHypotenuse);
p4.Y = pDollyCenter.Y;
Point[] points45 =
{
p1, p2, p3, p4
};
return(points45);
}
switch (oDollyOrientation)
{
case CommonDefine.Orientation.E:
p1.X = pDollyCenter.X + Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
p1.Y = pDollyCenter.Y - Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
p2.X = pDollyCenter.X + Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
p2.Y = pDollyCenter.Y + Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
p3.X = pDollyCenter.X - Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
p3.Y = pDollyCenter.Y + Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
p4.X = pDollyCenter.X - Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
p4.Y = pDollyCenter.Y - Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
break;
case CommonDefine.Orientation.S:
p1.X = pDollyCenter.X + Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
p1.Y = pDollyCenter.Y + Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
p2.X = pDollyCenter.X - Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
p2.Y = pDollyCenter.Y + Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
p3.X = pDollyCenter.X - Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
p3.Y = pDollyCenter.Y - Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
p4.X = pDollyCenter.X + Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
p4.Y = pDollyCenter.Y - Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
break;
case CommonDefine.Orientation.W:
p1.X = pDollyCenter.X - Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
p1.Y = pDollyCenter.Y + Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
p2.X = pDollyCenter.X - Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
p2.Y = pDollyCenter.Y - Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
p3.X = pDollyCenter.X + Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
p3.Y = pDollyCenter.Y - Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
p4.X = pDollyCenter.X + Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
p4.Y = pDollyCenter.Y + Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
break;
case CommonDefine.Orientation.N:
p1.X = pDollyCenter.X - Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
p1.Y = pDollyCenter.Y - Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
p2.X = pDollyCenter.X + Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
p2.Y = pDollyCenter.Y - Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
p3.X = pDollyCenter.X + Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
p3.Y = pDollyCenter.Y + Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
p4.X = pDollyCenter.X - Convert.ToInt32(dHypotenuse * Math.Sin(dRadian));
p4.Y = pDollyCenter.Y + Convert.ToInt32(dHypotenuse * Math.Cos(dRadian));
break;
default:
//return pOrientation;
break;
}
Point[] pointsDolly =
{
p1, p2, p3, p4
};
return(pointsDolly);
}
/// <summary>
/// 获取方向终点坐标
/// </summary>
/// <param name="pDollyCenter"></param>
/// <param name="iDollySize"></param>
/// <param name="dDollyAngle"></param>
/// <param name="oDollyOrientation"></param>
/// <returns></returns>
internal static Point GetDollyOrientation(Point pDollyCenter, int iDollySize, double dDollyAngle, CommonDefine.Orientation oDollyOrientation)
{
Point pOrientation = new Point(pDollyCenter.X, pDollyCenter.Y + iDollySize / 2 - 7);
double dLineLength = iDollySize / 2 - 7; //线段长度
double dRadian = dDollyAngle * Math.PI / 180;
switch (oDollyOrientation)
{
case CommonDefine.Orientation.E:
if (dDollyAngle == 0)
{
pOrientation.X = pDollyCenter.X + Convert.ToInt32(dLineLength);
pOrientation.Y = pDollyCenter.Y;
}
else
{
pOrientation.X = pDollyCenter.X + Convert.ToInt32(dLineLength * Math.Cos(dRadian));
pOrientation.Y = pDollyCenter.Y - Convert.ToInt32(dLineLength * Math.Sin(dRadian));
}
break;
case CommonDefine.Orientation.S:
if (dDollyAngle == 0)
{
pOrientation.X = pDollyCenter.X;
pOrientation.Y = pDollyCenter.Y + Convert.ToInt32(dLineLength);
}
else
{
pOrientation.X = pDollyCenter.X + Convert.ToInt32(dLineLength * Math.Sin(dRadian));
pOrientation.Y = pDollyCenter.Y + Convert.ToInt32(dLineLength * Math.Cos(dRadian));
}
break;
case CommonDefine.Orientation.W:
if (dDollyAngle == 0)
{
pOrientation.X = pDollyCenter.X - Convert.ToInt32(dLineLength);
pOrientation.Y = pDollyCenter.Y;
}
else
{
pOrientation.X = pDollyCenter.X - Convert.ToInt32(dLineLength * Math.Cos(dRadian));
pOrientation.Y = pDollyCenter.Y + Convert.ToInt32(dLineLength * Math.Sin(dRadian));
}
break;
case CommonDefine.Orientation.N:
if (dDollyAngle == 0)
{
pOrientation.X = pDollyCenter.X;
pOrientation.Y = pDollyCenter.Y - Convert.ToInt32(dLineLength);
}
else
{
pOrientation.X = pDollyCenter.X - Convert.ToInt32(dLineLength * Math.Sin(dRadian));
pOrientation.Y = pDollyCenter.Y - Convert.ToInt32(dLineLength * Math.Cos(dRadian));
}
break;
default:
//return pOrientation;
break;
}
return(pOrientation);
}