public override bool Execute()
{
var firstShape = Dependency[0].ReferedShape;
var secondShape = Dependency[1].ReferedShape;
if (firstShape.IsSame(secondShape))
{
return(false);
}
NodeUtils.Hide(Dependency[0].Reference);
NodeUtils.Hide(Dependency[1].Reference);
switch (Dependency[2].Integer)
{
case (int)BooleanOperations.Substract:
var cut = new BRepAlgoAPICut(firstShape, secondShape);
if (!cut.IsDone)
{
return(false);
}
if ((cut.HasGenerated == false) && (cut.HasModified == false))
{
return(false);
}
Shape = cut.Shape;
break;
case (int)BooleanOperations.Add:
var fuse = new BRepAlgoAPIFuse(firstShape, secondShape);
if (!fuse.IsDone)
{
return(false);
}
if ((fuse.HasGenerated == false) && (fuse.HasModified == false))
{
return(false);
}
Shape = fuse.Shape;
break;
case (int)BooleanOperations.Intersect:
var common = new BRepAlgoAPICommon(firstShape, secondShape);
if (!common.IsDone)
{
return(false);
}
if ((common.HasGenerated == false) && (common.HasModified == false))
{
return(false);
}
Shape = common.Shape;
break;
}
return(true);
}
private static TopoDSShape BuildAxisShapeHandle(gpAx1 mainAxis, double arrowLength, double arrowWidth)
{
var cylinderShape = GeomUtils.MakeCylinder(mainAxis, arrowWidth, arrowLength * 3 / 4,
GeomUtils.DegreesToRadians(360));
var coneVector = new gpVec(mainAxis.Direction);
coneVector.Multiply(arrowLength * 3 / 4);
var coneLocation = mainAxis.Translated(coneVector);
var cone = GeomUtils.MakeCone(coneLocation, arrowWidth * 1.5, 0, arrowLength / 4,
GeomUtils.DegreesToRadians(360));
var fuse = new BRepAlgoAPIFuse(cylinderShape, cone);
return(fuse.Shape);
}
/// <summary>
/// Detects coliding faces in the first list received as parameter and puts them in the second list
/// </summary>
/// <param name="candidates"></param>
/// <param name="results"></param>
private static void DetectColidingCandidates(List <Node> candidates, List <Node> results)
{
var shapes = new List <ShapeInfo>();
int k = 0;
foreach (var node in candidates)
{
var shape = node.Get <TopoDsShapeInterpreter>();
var area = GeomUtils.GetFaceArea(shape.Shape);
if (area > 0)
{
var shapeInfo = new ShapeInfo {
Shape = shape.Shape, Area = area, Node = node, Processed = 0
};
shapes.Add(shapeInfo);
}
}
shapes = shapes.OrderByDescending(x => x.Area).ToList();
var iterations = 0;
for (int i = 0; i < shapes.Count; i++)
{
if (shapes[i].Processed == 1)
{
continue;
}
for (int j = i + 1; j < shapes.Count; j++)
{
if (shapes[j].Processed == 1)
{
continue;
}
var cut = new BRepAlgoAPICommon(shapes[i].Shape, shapes[j].Shape);
var shapeCommon = cut.Shape;
var fuse = new BRepAlgoAPIFuse(shapes[i].Shape, shapes[j].Shape);
var fusedShape = fuse.Shape;
var fuseArea = GeomUtils.GetFaceArea(fusedShape);
iterations++;
if (Math.Abs(fuseArea - shapes[i].Area) < Precision.Confusion)
{
if (!results.Contains(shapes[i].Node))
{
results.Add(shapes[i].Node);
}
if (!results.Contains(shapes[j].Node))
{
results.Add(shapes[j].Node);
}
shapes[j].Processed = 1;
}
//if ((shapeCommon != null) && (!shapeCommon.IsNull))
//{
// var areaCommon = GeomUtils.GetFaceArea(shapeCommon);
// if (Math.Abs(areaCommon - shapes[j].Area) < Precision.Confusion)
// {
// if (RelativePosition(shapes[j].Shape, shapes[i].Shape) == 1 && !results.Contains(shapes[j].Node))
// {
// results.Add(shapes[j].Node);
// shapes[j].Processed = 1;
// }
// if(!results.Contains(shapes[i].Node))
// {
// results.Add(shapes[i].Node);
// }
// }
//}
}
}
}
