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Improving the csg tests

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This commit is contained in:
Lars Brubaker 2018-03-26 17:52:16 -07:00
parent 990380d642
commit 2aafec3f13
1 changed files with 60 additions and 16 deletions
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76
Tests/MatterControl.Tests/MatterControl/MeshCsgTests.cs
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@ -61,27 +61,43 @@ namespace MatterHackers.PolygonMesh.UnitTests
// check that we subtarct two 3 sideh cylinders
{
double topHeight = 10;
int sides = 3;
IObject3D keep = CylinderAdvancedObject3D.Create(20, 20, sides);
IObject3D subtract = CylinderAdvancedObject3D.Create(10, 20, sides);
IObject3D keep = CylinderAdvancedObject3D.Create(20, topHeight*2, sides);
IObject3D subtract = CylinderAdvancedObject3D.Create(10, topHeight*2, sides);
var keepMesh = keep.Mesh;
var subtractMesh = subtract.Mesh;
var split1 = new DebugFace()
{
EvaluateHeight = 10,
EvaluateHeight = topHeight,
FileName = "Split1"
};
var resultMesh = keepMesh.Subtract(subtractMesh, null, CancellationToken.None);//,
//split1.Split, split1.Result);
var resultMesh = keepMesh.Subtract(subtractMesh, null, CancellationToken.None,
split1.Split, split1.Result);
// this is for debuging the opperation
//split1.FinishOutput();
//resultMesh.Save("c:/temp/mesh1.stl", CancellationToken.None);
split1.FinishOutput();
resultMesh.Save("c:/temp/mesh1.stl", CancellationToken.None);
Assert.AreEqual(12, CountFacesAtHeight(keepMesh, 10));
if (false)
{
var topZero = new Vector3(0, 0, topHeight);
foreach (var topVertex in keepMesh.Vertices
.Where((v) => v.Position.Z == topHeight && v.Position != topZero)
.Select((gv) => gv.Position))
{
Assert.IsTrue(resultMesh.Vertices.Where((v) => v.Position == topVertex).Any(), "Have all top vertexes");
}
foreach (var topVertex in subtractMesh.Vertices
.Where((v) => v.Position.Z == topHeight && v.Position != topZero)
.Select((gv) => gv.Position))
{
Assert.IsTrue(resultMesh.Vertices.Where((v) => v.Position == topVertex).Any(), "Have all top vertexes");
}
}
}
// check that we subtarct two 3 sideh cylinders
@ -99,21 +115,49 @@ namespace MatterHackers.PolygonMesh.UnitTests
FileName = "Split2"
};
var resultMesh = keepMesh.Subtract(subtractMesh, null, CancellationToken.None);//,
//split1.Split, split1.Result);
var resultMesh = keepMesh.Subtract(subtractMesh, null, CancellationToken.None,
split1.Split, split1.Result);
// this is for debuging the opperation
//split1.FinishOutput();
//esultMesh.Save("c:/temp/mesh2.stl", CancellationToken.None);
split1.FinishOutput();
resultMesh.Save("c:/temp/mesh2.stl", CancellationToken.None);
Assert.AreEqual(12, CountFacesAtHeight(keepMesh, 10));
#if false
{
var topZero = new Vector3(0, 0, topHeight);
foreach (var topVertex in keepMesh.Vertices
.Where((v) => v.Position.Z == topHeight && v.Position != topZero)
.Select((gv) => gv.Position))
{
Assert.IsTrue(resultMesh.Vertices.Where((v) => v.Position == topVertex).Any(), "Have all top vertexes");
}
foreach (var topVertex in subtractMesh.Vertices
.Where((v) => v.Position.Z == topHeight && v.Position != topZero)
.Select((gv) => gv.Position))
{
Assert.IsTrue(resultMesh.Vertices.Where((v) => v.Position == topVertex).Any(), "Have all top vertexes");
}
}
#endif
}
}
private double CountFacesAtHeight(Mesh keepMesh, double zHeightToFind)
private double CountFacesAtHeight(Mesh keepMesh, double zHeight)
{
// TODO: make this work
return 12;
int count = 0;
foreach (var face in keepMesh.Faces)
{
var triangles = face.AsTriangles().ToList();
if (DebugFace.FaceAtHeight(new Vector3[]
{
triangles[0].p0,triangles[0].p1,triangles[0].p2,
}, zHeight))
{
count++;
}
}
return count;
}
}