internal void UpdateTriangleReference(STLModel3D stlModel, SupportProfile selectedMaterialProfile)
{
//find latest supportcone supported height
TriangleIntersection[] trianglesIntersected = null;
var supportPointPosition = this.TopPoint.AsVector3();
supportPointPosition.Z = this.SliceHeight - 1f;
if (this._trianglesWithinXYRange == null)
{
CalcTrianglesWithinRange(supportPointPosition, selectedMaterialProfile, stlModel);
}
var trianglesAboveSupportPoint = new STLModel3D()
{
Triangles = new TriangleInfoList()
};
trianglesAboveSupportPoint.Triangles[0] = this._trianglesWithinXYRange.Triangles[0].Where(s => s.Top > supportPointPosition.Z && s.Normal.Z < 0).ToList();
IntersectionProvider.IntersectTriangle(new Vector3Class(supportPointPosition.Xy), new Vector3Class(0, 0, 1), trianglesAboveSupportPoint, IntersectionProvider.typeDirection.OneWay, false, new Vector3Class(), out trianglesIntersected);
if (trianglesIntersected != null)
{
var nearestLastSupportedHeight = new Vector3Class();
var nearestLastSupportedHeightDistance = float.MaxValue;
foreach (var triangleIntersection in trianglesIntersected)
{
if (triangleIntersection != null)
{
var distance = (triangleIntersection.IntersectionPoint - supportPointPosition).Length;
if (distance < nearestLastSupportedHeightDistance)
{
nearestLastSupportedHeightDistance = distance;
nearestLastSupportedHeight = triangleIntersection.IntersectionPoint;
this.ModelIntersection = triangleIntersection;
this.LastSupportedCenterAngle = OpenTK.MathHelper.RadiansToDegrees(Vector3Class.CalculateAngle(this.ModelIntersection.Normal, Vector3Class.UnitZ));
}
}
}
}
}
