public static bool Intersect(Triangle triangle, BoundingSphere sphere, out object intersection)
{
intersection = null;
return Common.Intersection.Intersect(sphere, triangle.A.Position, out intersection) ||
Common.Intersection.Intersect(sphere, triangle.B.Position, out intersection) ||
Common.Intersection.Intersect(sphere, triangle.C.Position, out intersection);
}
public static bool Intersect(Triangle triangle, Ray ray, out object intersection)
{
Common.RayIntersection r = new Common.RayIntersection();
Vector2 uv;
bool hit = triangle.Intersect(ray, false, out r.Distance, out uv);
r.Userdata = uv;
intersection = r;
return hit;
}
public static Common.RSpatialRelation Relation(Software.Triangle a, Plane b)
{
var ra = Common.SpatialRelation.Relation(a.A.Position, b);
var rb = Common.SpatialRelation.Relation(a.B.Position, b);
var rc = Common.SpatialRelation.Relation(a.C.Position, b);
if (ra == Common.RSpatialRelation.AInsideB &&
rb == Common.RSpatialRelation.AInsideB &&
rc == Common.RSpatialRelation.AInsideB)
{
return(Common.RSpatialRelation.AInsideB);
}
else if (ra == Common.RSpatialRelation.Outside &&
rb == Common.RSpatialRelation.Outside &&
rc == Common.RSpatialRelation.Outside)
{
return(Common.RSpatialRelation.Outside);
}
else
{
return(Common.RSpatialRelation.Intersect);
}
}
public static Vector3 Translation(Triangle t)
{
return t.center;
}
