/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="other"></param>
/// <returns></returns>
public static Vector2?IntersectionWith(this Line2 line, Line2 other)
{
IntersectionLine2Line2 intersectionLine2Line = new IntersectionLine2Line2(line, other);
if (intersectionLine2Line.Find() && intersectionLine2Line.IntersectionType == Intersection.Type.IT_POINT)
{
return(new Vector2?(intersectionLine2Line.Point));
}
return(null);
}
/// <summary>
/// 查找当前的信息
/// </summary>
/// <returns></returns>
public bool Find()
{
double[] array = new double[2];
this.IntersectionType = IntersectionLine2Line2.Classify(this.line0.Origin, this.line0.Direction, this.line1.Origin, this.line1.Direction, 1E-08, ref array);
if (this.IntersectionType == Intersection.Type.IT_POINT)
{
this.Point = this.line0.Origin + array[0] * this.line0.Direction;
}
return(this.IntersectionType > Intersection.Type.IT_EMPTY);
}
// Token: 0x0600029B RID: 667 RVA: 0x0000AD58 File Offset: 0x00008F58
public bool Find()
{
double[] array = new double[2];
this.IntersectionType = IntersectionLine2Line2.Classify(this.ray.Origin, this.ray.Direction, this.segment.Origin, this.segment.Direction, 1E-08, ref array);
if (this.IntersectionType == Intersection.Type.IT_POINT)
{
if (array[0] >= 0.0 && Math.Abs(array[1]) <= this.segment.Extent)
{
this.Point0 = this.ray.Origin + array[0] * this.ray.Direction;
}
else
{
this.IntersectionType = Intersection.Type.IT_EMPTY;
}
}
else if (this.IntersectionType == Intersection.Type.IT_LINE)
{
double num = this.ray.Direction.Dot(this.segment.Origin - this.ray.Origin);
double v = num - this.segment.Extent;
double v2 = num + this.segment.Extent;
Intersector1 intersector = new Intersector1(0.0, double.MaxValue, v, v2);
intersector.Find();
int quantity = intersector.Quantity;
if (quantity == 2)
{
this.IntersectionType = Intersection.Type.IT_SEGMENT;
this.Point0 = this.ray.Origin + intersector.Overlap0 * this.ray.Direction;
this.Point1 = this.ray.Origin + intersector.Overlap1 * this.ray.Direction;
}
else if (quantity == 1)
{
this.IntersectionType = Intersection.Type.IT_POINT;
this.Point0 = this.ray.Origin;
}
else
{
this.IntersectionType = Intersection.Type.IT_EMPTY;
}
}
return(this.IntersectionType > Intersection.Type.IT_EMPTY);
}
/// <summary>
/// 线和线相交
/// </summary>
/// <param name="line"></param>
/// <param name="other"></param>
/// <returns></returns>
public static bool Intersects(this Line2 line, Line2 other)
{
IntersectionLine2Line2 intersectionLine2Line = new IntersectionLine2Line2(line, other);
return(intersectionLine2Line.Find());
}