public void Set(DXFStructure dxf, ELLIPSE item, float ScaleX = 1, float ScaleY = 1)
{
var goLayer = GoView.Content.GetLayer(item.C8);
if (goLayer != null)
{
lr.material = goLayer.LayerMaterial;
ZoomAdjust = goLayer.ZoomAdjust;
}
Vector3 center = new Vector3((float)item.C10, (float)item.C20, (float)item.C30);//中心点
var theta = Mathf.Atan2((float)item.C21, (float)item.C11) * (180 / Mathf.PI);//椭圆的旋转角度
Quaternion q = Quaternion.AngleAxis(theta, Vector3.forward);//创建一个旋转
//长轴长度
var a = Mathf.Abs(Vector3.Distance(new Vector3(), new Vector3((float)item.C11, (float)item.C21, (float)item.C31)));
LongAxis = a;
//短轴长度
var b = a * (float)item.C40;
//计算组层椭圆的元素数量，用于优化
int resolution = (int)((a + b) / 2.0 / OptimizingLevel);
if (resolution > MaxResolution) resolution = MaxResolution;
else if (resolution < MinResolution) resolution = MinResolution;
lr.SetVertexCount(resolution + 1);
for (int i = 0; i < resolution; i++)
{
var ii = (float)(i * (item.C42 - item.C41) / resolution) + (float)item.C41;
//计算出的坐标点
var v = new Vector3(a * Mathf.Cos(ii), b * Mathf.Sin(ii), 0.0f);
//加入旋转和中心点位置
v = q * v + center;
//增加缩放
lr.SetPosition(i, new Vector3(v.x * ScaleX, v.y * ScaleY, v.z));
}
//最后增加一点用于处理最后一段的连线
//计算出的坐标点
var v1 = new Vector3(a * Mathf.Cos((float)item.C42), b * Mathf.Sin((float)item.C42), 0.0f);
//加入旋转和中心点位置
v1 = q * v1 + center;
//增加缩放
lr.SetPosition(resolution, new Vector3(v1.x * ScaleX, v1.y * ScaleY, v1.z));
this.gameObject.isStatic = true;
}
protected override Property ReadSonClass(Property prop)
{
if (prop.Code == 0 && prop.Value != "ENDBLK")
{
switch (prop.Value)
{
//case "C3DFACE":
//case "C3DSOLID":
//case "ACAD_PROXY_ENTITY":
case "ARC":
var arc = new ARC(DXFData, prop);
ARCList.Add(arc);
return(arc.ReadProperties());
//case "ATTDEF":
//case "ATTRIB":
//case "BODY":
case "CIRCLE":
var circle = new CIRCLE(DXFData, prop);
CIRCLEList.Add(circle);
return(circle.ReadProperties());
//case "DIMENSION":
case "ELLIPSE":
var ellipes = new ELLIPSE(DXFData, prop);
ELLIPSEList.Add(ellipes);
return(ellipes.ReadProperties());
//case "HATCH":
//case "HELIX":
//case "IMAGE":
case "INSERT":
var insert = new INSERT(DXFData, prop);
INSERTList.Add(insert);
return(insert.ReadProperties());
//case "LEADER":
//case "LIGHT":
case "LINE":
var line = new LINE(DXFData, prop);
LINEList.Add(line);
return(line.ReadProperties());
case "LWPOLYLINE":
var lwpolyline = new LWPOLYLINE(DXFData, prop);
LWPOLYLINEList.Add(lwpolyline);
return(lwpolyline.ReadProperties());
//case "MESH":
//case "MLINE":
//case "MLEADERSTYLE":
//case "MLEADER":
//case "MTEXT":
//case "OLEFRAME":
//case "OLE2FRAME":
//case "POINT":
//case "POLYLINE":
//case "RAY":
//case "REGION":
//case "SECTION":
//case "SEQEND":
//case "SHAPE":
//case "SOLID":
//case "SPLINE":
//case "SUN":
//case "SURFACE":
//case "TABLE":
case "TEXT":
var text = new TEXT(DXFData, prop);
TEXTList.Add(text);
return(text.ReadProperties());
//case "TOLERANCE":
//case "TRACE":
//case "UNDERLAY":
//case "VERTEX":
//case "VIEWPORT":
//case "WIPEOUT":
//case "XLINE":
default:
return(CreateSonClass(new ENTITIE(DXFData, prop)));
}
}
else
{
return(base.ReadSonClass(prop));
}
}
protected override Property ReadSonClass(Property prop)
{
if (prop.Code == 0 && prop.Value != "ENDSEC")
{
switch (prop.Value)
{
//case "C3DFACE":
//case "C3DSOLID":
//case "ACAD_PROXY_ENTITY":
case "ARC":
var arc = new ARC(DXFData, prop);
ARCList.Add(arc);
return arc.ReadProperties();
//case "ATTDEF":
//case "ATTRIB":
//case "BODY":
case "CIRCLE":
var circle = new CIRCLE(DXFData, prop);
CIRCLEList.Add(circle);
return circle.ReadProperties();
//case "DIMENSION":
case "ELLIPSE":
var ellipes = new ELLIPSE(DXFData, prop);
ELLIPSEList.Add(ellipes);
return ellipes.ReadProperties();
//case "HATCH":
//case "HELIX":
//case "IMAGE":
case "INSERT":
var insert = new INSERT(DXFData, prop);
INSERTList.Add(insert);
return insert.ReadProperties();
//case "LEADER":
//case "LIGHT":
case "LINE":
var line = new LINE(DXFData, prop);
LINEList.Add(line);
return line.ReadProperties();
case "LWPOLYLINE":
var lwpolyline = new LWPOLYLINE(DXFData, prop);
LWPOLYLINEList.Add(lwpolyline);
return lwpolyline.ReadProperties();
//case "MESH":
//case "MLINE":
//case "MLEADERSTYLE":
//case "MLEADER":
//case "MTEXT":
//case "OLEFRAME":
//case "OLE2FRAME":
//case "POINT":
//case "POLYLINE":
//case "RAY":
//case "REGION":
//case "SECTION":
//case "SEQEND":
//case "SHAPE":
//case "SOLID":
//case "SPLINE":
//case "SUN":
//case "SURFACE":
//case "TABLE":
case "TEXT":
var text = new TEXT(DXFData, prop);
TEXTList.Add(text);
return text.ReadProperties();
//case "TOLERANCE":
//case "TRACE":
//case "UNDERLAY":
//case "VERTEX":
//case "VIEWPORT":
//case "WIPEOUT":
//case "XLINE":
default:
return CreateSonClass(new ENTITIE(DXFData, prop));
}
}
else
{
return base.ReadSonClass(prop);
}
}
