// Token: 0x06000407 RID: 1031 RVA: 0x00011FA8 File Offset: 0x000101A8
public bool Test()
{
double[] dist = new double[3];
int[] sign = new int[3];
int num;
int num2;
int num3;
IntersectionLine2Triangle2.TriangleLineRelations(this.segment.Origin, this.segment.Direction, this.triangle, ref dist, ref sign, out num, out num2, out num3);
if (num == 3 || num2 == 3)
{
this.IntersectionType = Intersection.Type.IT_EMPTY;
}
else
{
double[] array = new double[2];
IntersectionLine2Triangle2.GetInterval(this.segment.Origin, this.segment.Direction, this.triangle, dist, sign, ref array);
Intersector1 intersector = new Intersector1(array[0], array[1], -this.segment.Extent, this.segment.Extent);
intersector.Find();
this.Quantity = intersector.Quantity;
if (this.Quantity == 2)
{
this.IntersectionType = Intersection.Type.IT_SEGMENT;
}
else if (this.Quantity == 1)
{
this.IntersectionType = Intersection.Type.IT_POINT;
}
else
{
this.IntersectionType = Intersection.Type.IT_EMPTY;
}
}
return(this.IntersectionType > Intersection.Type.IT_EMPTY);
}
/// <summary>
/// 线和三角形相交
/// </summary>
/// <param name="line"></param>
/// <param name="triangle"></param>
/// <returns></returns>
public static Segment2?IntersectionWith(this Line2 line, Triangle2 triangle)
{
IntersectionLine2Triangle2 intersectionLine2Triangle = new IntersectionLine2Triangle2(line, triangle);
bool flag = intersectionLine2Triangle.Find();
if (flag && intersectionLine2Triangle.IntersectionType == Intersection.Type.IT_SEGMENT)
{
return(new Segment2?(new Segment2(intersectionLine2Triangle.Point0, intersectionLine2Triangle.Point1)));
}
if (flag && intersectionLine2Triangle.IntersectionType == Intersection.Type.IT_POINT)
{
return(new Segment2?(new Segment2(intersectionLine2Triangle.Point0, line.Direction, 0.0)));
}
return(null);
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="triangle"></param>
/// <returns></returns>
public static ICollection <Vector2> IntersectionPointsWith(this Line2 line, Triangle2 triangle)
{
IntersectionLine2Triangle2 intersectionLine2Triangle = new IntersectionLine2Triangle2(line, triangle);
intersectionLine2Triangle.Find();
List <Vector2> list = new List <Vector2>();
Vector2[] array = new Vector2[]
{
intersectionLine2Triangle.Point0,
intersectionLine2Triangle.Point1
};
for (int i = 0; i < intersectionLine2Triangle.Quantity; i++)
{
list.Add(array[i]);
}
return(list);
}
// Token: 0x0600035E RID: 862 RVA: 0x0000E530 File Offset: 0x0000C730
public bool Find()
{
double[] dist = new double[3];
int[] sign = new int[3];
int num;
int num2;
int num3;
IntersectionLine2Triangle2.TriangleLineRelations(this.line.Origin, this.line.Direction, this.triangle, ref dist, ref sign, out num, out num2, out num3);
if (num == 3 || num2 == 3)
{
this.Quantity = 0;
this.IntersectionType = Intersection.Type.IT_EMPTY;
}
else
{
double[] array = new double[2];
IntersectionLine2Triangle2.GetInterval(this.line.Origin, this.line.Direction, this.triangle, dist, sign, ref array);
Intersector1 intersector = new Intersector1(array[0], array[1], double.MinValue, double.MaxValue);
intersector.Find();
this.Quantity = intersector.Quantity;
if (this.Quantity == 2)
{
this.IntersectionType = Intersection.Type.IT_SEGMENT;
this.Point0 = this.line.Origin + intersector.Overlap0 * this.line.Direction;
this.Point1 = this.line.Origin + intersector.Overlap1 * this.line.Direction;
}
else if (this.Quantity == 1)
{
this.IntersectionType = Intersection.Type.IT_POINT;
this.Point0 = this.line.Origin + intersector.Overlap0 * this.line.Direction;
}
else
{
this.IntersectionType = Intersection.Type.IT_EMPTY;
}
}
return(this.IntersectionType > Intersection.Type.IT_EMPTY);
}
public static bool Intersects(this Line2 line, Triangle2 triangle)
{
IntersectionLine2Triangle2 intersectionLine2Triangle = new IntersectionLine2Triangle2(line, triangle);
return(intersectionLine2Triangle.Test());
}