// Token: 0x06000293 RID: 659 RVA: 0x0000ABF0 File Offset: 0x00008DF0
public bool Find()
{
this.Quantity = 0;
IntersectionLine2Circle2 intersectionLine2Circle = new IntersectionLine2Circle2(new Line2(this.ray.Origin, this.ray.Direction), this.circle);
if (intersectionLine2Circle.Find())
{
if (intersectionLine2Circle.Quantity == 2)
{
if (intersectionLine2Circle.Parameter0 >= 0.0 && intersectionLine2Circle.Parameter1 >= 0.0)
{
this.Point0 = intersectionLine2Circle.Point0;
this.Point1 = intersectionLine2Circle.Point1;
this.Quantity = 2;
}
else if (intersectionLine2Circle.Parameter0 < 0.0 && intersectionLine2Circle.Parameter1 >= 0.0)
{
this.Point0 = intersectionLine2Circle.Point1;
this.Quantity = 1;
}
}
else if (intersectionLine2Circle.Parameter0 >= 0.0)
{
this.Point0 = intersectionLine2Circle.Point0;
this.Quantity = 1;
}
}
this.IntersectionType = ((this.Quantity > 0) ? Intersection.Type.IT_POINT : Intersection.Type.IT_EMPTY);
return(this.IntersectionType > Intersection.Type.IT_EMPTY);
}
public static ICollection <Vector2> IntersectionPointsWith(this Line2 line, Circle2 circle)
{
IntersectionLine2Circle2 intersectionLine2Circle = new IntersectionLine2Circle2(line, circle);
intersectionLine2Circle.Find();
List <Vector2> list = new List <Vector2>();
Vector2[] array = new Vector2[]
{
intersectionLine2Circle.Point0,
intersectionLine2Circle.Point1
};
for (int i = 0; i < intersectionLine2Circle.Quantity; i++)
{
list.Add(array[i]);
}
return(list);
}
// Token: 0x060002F2 RID: 754 RVA: 0x0000BC68 File Offset: 0x00009E68
public bool Find()
{
int quantity;
double[] array;
bool flag = IntersectionLine2Circle2.Find(this.line.Origin, this.line.Direction, this.circle.Center, this.circle.Radius, out quantity, out array);
this.Quantity = quantity;
if (flag)
{
this.Point0 = this.line.Origin + array[0] * this.line.Direction;
this.Parameter0 = array[0];
if (this.Quantity == 2)
{
this.Point1 = this.line.Origin + array[1] * this.line.Direction;
this.Parameter1 = array[1];
}
}
this.IntersectionType = ((this.Quantity > 0) ? Intersection.Type.IT_POINT : Intersection.Type.IT_EMPTY);
return(this.IntersectionType > Intersection.Type.IT_EMPTY);
}
// Token: 0x060002DD RID: 733 RVA: 0x0000B900 File Offset: 0x00009B00
public bool Find()
{
int num;
double[] array;
bool flag = IntersectionLine2Circle2.Find(this.line.Origin, this.line.Direction, this.arc.Circle.Center, this.arc.Circle.Radius, out num, out array);
this.Quantity = 0;
if (flag)
{
Vector2 vector = this.line.Origin + this.line.Direction * array[0];
Vector2 vector2 = this.line.Origin + this.line.Direction * array[1];
if (IntersectionArc2Arc2.Contains(this.arc, vector))
{
this.Point0 = vector;
this.Parameter0 = array[0];
int quantity = this.Quantity;
this.Quantity = quantity + 1;
if (num == 2 && IntersectionArc2Arc2.Contains(this.arc, vector2))
{
this.Point1 = vector2;
this.Parameter1 = array[1];
quantity = this.Quantity;
this.Quantity = quantity + 1;
}
}
else if (num == 2 && IntersectionArc2Arc2.Contains(this.arc, vector2))
{
this.Point0 = vector2;
this.Parameter0 = array[1];
int quantity = this.Quantity;
this.Quantity = quantity + 1;
}
}
this.IntersectionType = ((this.Quantity > 0) ? Intersection.Type.IT_POINT : Intersection.Type.IT_EMPTY);
return(this.IntersectionType > Intersection.Type.IT_EMPTY);
}
/// <summary>
/// 线和圆形相交
/// </summary>
/// <param name="line"></param>
/// <param name="circle"></param>
/// <returns></returns>
public static bool Intersects(this Line2 line, Circle2 circle)
{
IntersectionLine2Circle2 intersectionLine2Circle = new IntersectionLine2Circle2(line, circle);
return(intersectionLine2Circle.Find());
}
