poly.go

package nest

import (
	. "github.com/mojinfu/point"
)

type PolygonStruct struct {
	RootPoly  *PolyNode
	id        int //全局唯一id
	typeID    int //同一类型的  NFP 无需重复生成//但要注意这个字段可能没被初始化的  没被初始化 则用id代替
	width     float64
	height    float64
	rotation  int //当前旋转的角度
	Name      string
	isWart    bool
	AngleList []int64
}

func NewPolyWithName(points []*Point, name string) *PolygonStruct {
	a := NewPoly(points)
	a.SetName(name)
	return a
}
func NewPoly(points []*Point) *PolygonStruct {
	poly := &PolygonStruct{
		RootPoly: newNodePoly(points),
	}
	return poly
}
func newNodePoly(points []*Point) *PolyNode {
	poly := &PolyNode{}
	for index := range points {
		poly.OriginPolygon = append(poly.OriginPolygon, &Point{
			X: points[index].X,
			Y: points[index].Y,
		})
	}
	return poly
}
func (this *PolygonStruct) setTypeID(id int) {
	if this.typeID <= 0 {
		this.typeID = id
	}
}
func (this *PolygonStruct) getTypeID() int {
	return this.typeID
}
func (this *PolygonStruct) IsWart() bool {
	return this.isWart
}
func (this *PolygonStruct) SetName(name string) {
	this.Name = name
}
func (this *PolygonStruct) GetName() string {
	return this.Name
}
func (this *PolygonStruct) SetAngelList(angleList []int64) {
	if this.isWart {
		return
	}
	this.AngleList = angleList
}
func (this *PolygonStruct) AddChildPoly(points []*Point) string {
	//检查child是不是都在root poly里面
	this.RootPoly.children = append(this.RootPoly.children, newNodePoly(points))
	return this.Name
}
func (this *PolygonStruct) TypeID() int {
	return this.typeID
}
func (this *PolygonStruct) GetPolygonBeforeRotation() []*Point {
	return this.RootPoly.polygonBeforeRotation
}