internal static bool _2DProjectionCheck(TessellatedSolid solid, TessellatedSolid solidBlocking, double[] direction)
{
var movingProj = _3Dto2D.Get2DProjectionPoints(solid.Vertices, direction);
var moving2D = new _3Dto2D
{
ThreeD = solid,
Points = movingProj,
Edges = _3Dto2D.Get2DEdges(solid, movingProj)
};
var referenceProj = _3Dto2D.Get2DProjectionPoints(solidBlocking.Vertices, direction);
var reference2D = new _3Dto2D
{
ThreeD = solidBlocking,
Points = referenceProj,
Edges = _3Dto2D.Get2DEdges(solidBlocking, referenceProj)
};
var blocked =
moving2D.Edges.Any(
movEdge =>
reference2D.Edges.Any(
refEdge =>
NonadjacentBlockingDeterminationPro.DoIntersect(movEdge, refEdge)));
return(blocked);
}
private static bool ProximityBeta(TessellatedSolid solid1, TessellatedSolid solid2, List <int> localDirInd)
{
var counter1 = 0;
var counter2 = 0;
var counter3 = 0;
var s = new Stopwatch();
s.Start();
for (int i = 0; i < solid1.Faces.Length; i++)
{
var a = solid1.Faces[i];
for (int j = 0; j < solid2.Faces.Length; j++)
{
var b = solid2.Faces[j];
if (Math.Abs(a.Normal.dotProduct(b.Normal) + 1) > 0.0055)
{
continue; // 0.0055
}
counter2++;
var q = a.Center;
var p = b.Center;
var pq = new[] { q[0] - p[0], q[1] - p[1], q[2] - p[2] };
if (Math.Abs(pq.dotProduct(a.Normal)) > 0.011)
{
continue; //0.11 //0.005
}
counter3++;
/*var overl = true;
* foreach (var edge in a.Edges)
* {
* var edgeVector = edge.Vector;
* var third = a.Vertices.First(ad => ad != edge.From && ad != edge.To).Position;
* var checkVec = third.subtract(edge.From.Position);
* double[] cross1 = edgeVector.crossProduct(checkVec);
* var c = 0;
* foreach (var vertexB in b.Vertices)
* {
* var newVec = vertexB.Position.subtract(edge.From.Position);
* var cross2 = edgeVector.crossProduct(newVec);
* if ((Math.Sign(cross1[0]) != Math.Sign(cross2[0]) ||
* (Math.Sign(cross1[0]) == 0 && Math.Sign(cross2[0]) == 0)) &&
* (Math.Sign(cross1[1]) != Math.Sign(cross2[1]) ||
* (Math.Sign(cross1[1]) == 0 && Math.Sign(cross2[1]) == 0)) &&
* (Math.Sign(cross1[2]) != Math.Sign(cross2[2]) ||
* (Math.Sign(cross1[2]) == 0 && Math.Sign(cross2[2]) == 0)))
* {
* c++;
* }
* }
* if (c == 3)
* {
* overl = false;
* break;
* }
* }
* if (!overl) continue;
* foreach (var edge in b.Edges)
* {
* var edgeVector = edge.Vector;
* var third = b.Vertices.First(ad => ad != edge.From && ad != edge.To).Position;
* var checkVec = third.subtract(edge.From.Position);
* double[] cross1 = edgeVector.crossProduct(checkVec);
* var c = 0;
* foreach (var vertexB in a.Vertices)
* {
* var newVec = vertexB.Position.subtract(edge.From.Position);
* var cross2 = edgeVector.crossProduct(newVec);
* if ((Math.Sign(cross1[0]) != Math.Sign(cross2[0]) ||
* (Math.Sign(cross1[0]) == 0 && Math.Sign(cross2[0]) == 0)) &&
* (Math.Sign(cross1[1]) != Math.Sign(cross2[1]) ||
* (Math.Sign(cross1[1]) == 0 && Math.Sign(cross2[1]) == 0)) &&
* (Math.Sign(cross1[2]) != Math.Sign(cross2[2]) ||
* (Math.Sign(cross1[2]) == 0 && Math.Sign(cross2[2]) == 0)))
* {
* c++;
* }
* }
* if (c == 3)
* {
* overl = false;
* break;
* }
* }
* if (!overl) continue;*/
var aProj = _3Dto2D.Get2DProjectionPoints(a.Vertices, a.Normal);
var a2D = new _3Dto2D {
Points = aProj, Edges = _3Dto2D.Get2DEdgesFromFace(a, aProj)
};
var bProj = _3Dto2D.Get2DProjectionPoints(b.Vertices, a.Normal);
var b2D = new _3Dto2D {
Points = bProj, Edges = _3Dto2D.Get2DEdgesFromFace(b, bProj)
};
if (!NonadjacentBlockingDeterminationPro.IsItBlocked(a2D, b2D))
{
continue;
}
counter1++;
for (var k = 0; k < localDirInd.Count; k++)
{
var dir = DisassemblyDirections.Directions[localDirInd[k]];
if (a.Normal.dotProduct(dir) < -0.04)
{
localDirInd.Remove(localDirInd[k]);
k--;
}
}
break;
}
}
// Merge removal directions:
var final = new List <int>();
foreach (var i in localDirInd)
{
if (
final.Any(
d =>
1 - DisassemblyDirections.Directions[d].dotProduct(DisassemblyDirections.Directions[i]) <
0.05))
{
continue;
}
final.Add(i);
}
s.Stop();
Console.WriteLine(s.Elapsed);
return(true);
}
private static bool newApproachBoundingBox(double[] v, double[] bB, double[] mB)
{
var mV1 = new Vertex(new[] { mB[0], mB[2], mB[4] });
var mV2 = new Vertex(new[] { mB[0], mB[3], mB[4] });
var mV3 = new Vertex(new[] { mB[1], mB[3], mB[4] });
var mV4 = new Vertex(new[] { mB[1], mB[2], mB[4] });
var mV5 = new Vertex(new[] { mB[0], mB[2], mB[5] });
var mV6 = new Vertex(new[] { mB[0], mB[3], mB[5] });
var mV7 = new Vertex(new[] { mB[1], mB[3], mB[5] });
var mV8 = new Vertex(new[] { mB[1], mB[2], mB[5] });
var movingVer = new List <Vertex> {
mV1, mV2, mV3, mV4, mV5, mV6, mV7, mV8
};
var mE1 = new Edge(mV1, mV2, true);
var mE2 = new Edge(mV1, mV4, true);
var mE3 = new Edge(mV1, mV5, true);
var mE4 = new Edge(mV2, mV3, true);
var mE5 = new Edge(mV2, mV6, true);
var mE6 = new Edge(mV7, mV6, true);
var mE7 = new Edge(mV7, mV3, true);
var mE8 = new Edge(mV7, mV8, true);
var mE9 = new Edge(mV5, mV6, true);
var mE10 = new Edge(mV5, mV8, true);
var mE11 = new Edge(mV4, mV3, true);
var mE12 = new Edge(mV4, mV8, true);
var movingEdg = new List <Edge> {
mE1, mE2, mE3, mE4, mE5, mE6, mE7, mE8, mE9, mE10, mE11, mE12
};
var bV1 = new Vertex(new[] { bB[0], bB[2], bB[4] });
var bV2 = new Vertex(new[] { bB[0], bB[3], bB[4] });
var bV3 = new Vertex(new[] { bB[1], bB[3], bB[4] });
var bV4 = new Vertex(new[] { bB[1], bB[2], bB[4] });
var bV5 = new Vertex(new[] { bB[0], bB[2], bB[5] });
var bV6 = new Vertex(new[] { bB[0], bB[3], bB[5] });
var bV7 = new Vertex(new[] { bB[1], bB[3], bB[5] });
var bV8 = new Vertex(new[] { bB[1], bB[2], bB[5] });
var blockingVer = new List <Vertex> {
bV1, bV2, bV3, bV4, bV5, bV6, bV7, bV8
};
var bE1 = new Edge(bV1, bV2, true);
var bE2 = new Edge(bV1, bV4, true);
var bE3 = new Edge(bV1, bV5, true);
var bE4 = new Edge(bV2, bV3, true);
var bE5 = new Edge(bV2, bV6, true);
var bE6 = new Edge(bV7, bV6, true);
var bE7 = new Edge(bV7, bV3, true);
var bE8 = new Edge(bV7, bV8, true);
var bE9 = new Edge(bV5, bV6, true);
var bE10 = new Edge(bV5, bV8, true);
var bE11 = new Edge(bV4, bV3, true);
var bE12 = new Edge(bV4, bV8, true);
var blockingEdg = new List <Edge> {
bE1, bE2, bE3, bE4, bE5, bE6, bE7, bE8, bE9, bE10, bE11, bE12
};
var movingProj = _3Dto2D.Get2DProjectionPoints(movingVer, v);
var blockingProj = _3Dto2D.Get2DProjectionPoints(blockingVer, v);
var moving2D = new _3Dto2D {
Points = movingProj, Edges = _3Dto2D.Get2DEdges2(movingEdg, movingVer, movingProj)
};
var blocking2D = new _3Dto2D {
Points = blockingProj, Edges = _3Dto2D.Get2DEdges2(blockingEdg, blockingVer, movingProj)
};
return(moving2D.Edges.Any(movEdge => blocking2D.Edges.Any(refEdge => NonadjacentBlockingDeterminationPro.DoIntersect(movEdge, refEdge))));
}