public void FreeFormBody_Sequence_Valid()
{
var obj = new ObjFile();
var curve = new ObjCurve();
curve.StartParameter = 5.0f;
curve.EndParameter = 6.0f;
curve.Vertices.Add(2);
curve.Vertices.Add(3);
curve.Vertices.Add(4);
obj.Curves.Add(curve);
FillFreeFormAttributes(curve);
curve.SequenceCurves.Add(new ObjCurveIndex(4.0f, 5.0f, 2));
curve.SequenceCurves.Add(new ObjCurveIndex(6.0f, 7.0f, 3));
string text = WriteObj(obj);
string expected =
@"cstype rat bmatrix
deg 1 1
bmat u 0.000000 0.000000 0.000000 0.000000
bmat v 0.000000 0.000000 0.000000 0.000000
step 0.500000 0.500000
ctech cparm 1.000000
stech cparma 1.000000 2.000000
curv 5.000000 6.000000 2 3 4
scrv 4.000000 5.000000 2 6.000000 7.000000 3
end
";
AssertExtensions.TextEqual(expected, text);
}
public void RenderAttributes_ApproximationTechnique_Null_Valid()
{
var obj = new ObjFile();
var curve = new ObjCurve();
curve.StartParameter = 5.0f;
curve.EndParameter = 6.0f;
curve.Vertices.Add(2);
curve.Vertices.Add(3);
curve.Vertices.Add(4);
obj.Curves.Add(curve);
FillFreeFormAttributes(curve);
curve.CurveApproximationTechnique = null;
curve.SurfaceApproximationTechnique = null;
string text = WriteObj(obj);
string expected =
@"cstype rat bmatrix
deg 1 1
bmat u 0.000000 0.000000 0.000000 0.000000
bmat v 0.000000 0.000000 0.000000 0.000000
step 0.500000 0.500000
curv 5.000000 6.000000 2 3 4
";
AssertExtensions.TextEqual(expected, text);
}
public void FreeFormBody_Parameter_Valid(string value, int type)
{
var obj = new ObjFile();
var curve = new ObjCurve();
curve.StartParameter = 5.0f;
curve.EndParameter = 6.0f;
curve.Vertices.Add(2);
curve.Vertices.Add(3);
curve.Vertices.Add(4);
obj.Curves.Add(curve);
FillFreeFormAttributes(curve);
IList <float> parameters = type == 0 ? obj.Curves[0].ParametersU : obj.Curves[0].ParametersV;
parameters.Add(2.0f);
parameters.Add(3.0f);
parameters.Add(4.0f);
string text = WriteObj(obj);
string expected =
@"cstype rat bmatrix
deg 1 1
bmat u 0.000000 0.000000 0.000000 0.000000
bmat v 0.000000 0.000000 0.000000 0.000000
step 0.500000 0.500000
ctech cparm 1.000000
stech cparma 1.000000 2.000000
curv 5.000000 6.000000 2 3 4
parm " + value + @" 2.000000 3.000000 4.000000
end
";
AssertExtensions.TextEqual(expected, text);
}
public void FreeFormAttributes_Step_Valid(string value, float u, float v)
{
var obj = new ObjFile();
var curve = new ObjCurve();
curve.StartParameter = 5.0f;
curve.EndParameter = 6.0f;
curve.Vertices.Add(2);
curve.Vertices.Add(3);
curve.Vertices.Add(4);
obj.Curves.Add(curve);
FillFreeFormAttributes(curve);
curve.StepU = u;
curve.StepV = v;
string text = WriteObj(obj);
string expected =
@"cstype rat bmatrix
deg 1 1
bmat u 0.000000 0.000000 0.000000 0.000000
bmat v 0.000000 0.000000 0.000000 0.000000
step " + value + @"
ctech cparm 1.000000
stech cparma 1.000000 2.000000
curv 5.000000 6.000000 2 3 4
";
AssertExtensions.TextEqual(expected, text);
}
public void FreeFormAttributes_BasisMatrix_Valid()
{
var obj = new ObjFile();
var curve = new ObjCurve();
curve.StartParameter = 5.0f;
curve.EndParameter = 6.0f;
curve.Vertices.Add(2);
curve.Vertices.Add(3);
curve.Vertices.Add(4);
obj.Curves.Add(curve);
FillFreeFormAttributes(curve);
curve.BasicMatrixU = new float[] { 2, 3, 4, 5 };
curve.BasicMatrixV = new float[] { 6, 7, 8, 9 };
string text = WriteObj(obj);
string expected =
@"cstype rat bmatrix
deg 1 1
bmat u 2.000000 3.000000 4.000000 5.000000
bmat v 6.000000 7.000000 8.000000 9.000000
step 0.500000 0.500000
ctech cparm 1.000000
stech cparma 1.000000 2.000000
curv 5.000000 6.000000 2 3 4
";
AssertExtensions.TextEqual(expected, text);
}
public void FreeFormAttributes_Type_Valid(string value, bool rational, ObjFreeFormType type)
{
var obj = new ObjFile();
var curve = new ObjCurve();
curve.StartParameter = 5.0f;
curve.EndParameter = 6.0f;
curve.Vertices.Add(2);
curve.Vertices.Add(3);
curve.Vertices.Add(4);
obj.Curves.Add(curve);
FillFreeFormAttributes(curve);
curve.FreeFormType = type;
curve.IsRationalForm = rational;
string text = WriteObj(obj);
string expected =
@"cstype " + value + @"
deg 1 1
bmat u 0.000000 0.000000 0.000000 0.000000
bmat v 0.000000 0.000000 0.000000 0.000000
step 0.500000 0.500000
ctech cparm 1.000000
stech cparma 1.000000 2.000000
curv 5.000000 6.000000 2 3 4
";
AssertExtensions.TextEqual(expected, text);
}
public void FreeFormAttributes_UnknownType_Valid()
{
var obj = new ObjFile();
var curve = new ObjCurve();
curve.StartParameter = 5.0f;
curve.EndParameter = 6.0f;
curve.Vertices.Add(2);
curve.Vertices.Add(3);
curve.Vertices.Add(4);
obj.Curves.Add(curve);
FillFreeFormAttributes(curve);
curve.FreeFormType = ObjFreeFormType.Taylor + 1;
curve.IsRationalForm = false;
string text = WriteObj(obj);
string expected =
@"deg 1 1
bmat u 0.000000 0.000000 0.000000 0.000000
bmat v 0.000000 0.000000 0.000000 0.000000
step 0.500000 0.500000
ctech cparm 1.000000
stech cparma 1.000000 2.000000
curv 5.000000 6.000000 2 3 4
";
AssertExtensions.TextEqual(expected, text);
}
public static void Element_Curve_Valid()
{
var obj = new ObjFile();
obj.Groups.Add(new ObjGroup("b"));
obj.Vertices.Add(new ObjVertex(0, 0, 0));
obj.Vertices.Add(new ObjVertex(0, 0, 0));
obj.Vertices.Add(new ObjVertex(0, 0, 0));
obj.Vertices.Add(new ObjVertex(0, 0, 0));
var curve = new ObjCurve();
curve.StartParameter = 5.0f;
curve.EndParameter = 6.0f;
curve.Vertices.Add(2);
curve.Vertices.Add(3);
curve.Vertices.Add(4);
obj.Curves.Add(curve);
obj.Groups[0].Curves.Add(curve);
curve.ObjectName = "a";
curve.LevelOfDetail = 2;
curve.MapName = "c";
curve.MaterialName = "d";
curve.MergingGroupNumber = 10;
obj.MergingGroupResolutions[10] = 1.0f;
FillFreeFormAttributes(curve);
string text = WriteObj(obj);
string expected =
@"v 0.000000 0.000000 0.000000
v 0.000000 0.000000 0.000000
v 0.000000 0.000000 0.000000
v 0.000000 0.000000 0.000000
g b
o a
lod 2
usemap c
usemtl d
mg 10 1.000000
cstype rat bmatrix
deg 1 1
bmat u 0.000000 0.000000 0.000000 0.000000
bmat v 0.000000 0.000000 0.000000 0.000000
step 0.500000 0.500000
ctech cparm 1.000000
stech cparma 1.000000 2.000000
curv 5.000000 6.000000 2 3 4
";
AssertExtensions.TextEqual(expected, text);
}
public void MergingGroup_Valid()
{
var obj = new ObjFile();
var curve1 = new ObjCurve();
curve1.StartParameter = 5.0f;
curve1.EndParameter = 6.0f;
curve1.Vertices.Add(2);
curve1.Vertices.Add(3);
curve1.Vertices.Add(4);
obj.Curves.Add(curve1);
curve1.MergingGroupNumber = 10;
obj.MergingGroupResolutions[10] = 1.0f;
FillFreeFormAttributes(curve1);
var curve2 = new ObjCurve();
curve2.StartParameter = 5.0f;
curve2.EndParameter = 6.0f;
curve2.Vertices.Add(2);
curve2.Vertices.Add(3);
curve2.Vertices.Add(4);
obj.Curves.Add(curve2);
curve2.MergingGroupNumber = 0;
FillFreeFormAttributes(curve2);
string text = WriteObj(obj);
string expected =
@"mg 10 1.000000
cstype rat bmatrix
deg 1 1
bmat u 0.000000 0.000000 0.000000 0.000000
bmat v 0.000000 0.000000 0.000000 0.000000
step 0.500000 0.500000
ctech cparm 1.000000
stech cparma 1.000000 2.000000
curv 5.000000 6.000000 2 3 4
mg off
cstype rat bmatrix
deg 1 1
bmat u 0.000000 0.000000 0.000000 0.000000
bmat v 0.000000 0.000000 0.000000 0.000000
step 0.500000 0.500000
ctech cparm 1.000000
stech cparma 1.000000 2.000000
curv 5.000000 6.000000 2 3 4
";
AssertExtensions.TextEqual(expected, text);
}
public void RenderAttributes_ApproximationTechnique_Curvature_Valid(string value1, string value2, float distance, float angle, int type)
{
var obj = new ObjFile();
var curve = new ObjCurve();
curve.StartParameter = 5.0f;
curve.EndParameter = 6.0f;
curve.Vertices.Add(2);
curve.Vertices.Add(3);
curve.Vertices.Add(4);
obj.Curves.Add(curve);
FillFreeFormAttributes(curve);
var technique = new ObjCurvatureDependentSubdivisionTechnique(distance, angle);
switch (type)
{
case 0:
curve.CurveApproximationTechnique = technique;
break;
case 1:
curve.SurfaceApproximationTechnique = technique;
break;
}
string text = WriteObj(obj);
string expected =
@"cstype rat bmatrix
deg 1 1
bmat u 0.000000 0.000000 0.000000 0.000000
bmat v 0.000000 0.000000 0.000000 0.000000
step 0.500000 0.500000
" + value1 + @"
" + value2 + @"
curv 5.000000 6.000000 2 3 4
";
AssertExtensions.TextEqual(expected, text);
}