public void GetLength()
{
Path3F empty = new Path3F();
empty.Sort();
Assert.AreEqual(0, empty.GetLength(0, 1, 100, 0.0001f));
Path3F path = CreatePath();
path.PreLoop = CurveLoopType.Constant;
path.PostLoop = CurveLoopType.Oscillate;
Assert.IsTrue(Numeric.AreEqual((new Vector3F(0, 0, 1) - new Vector3F(1, 2, 3)).Length, path.GetLength(-1, 12, 100, 0.0001f), 0.001f));
Assert.IsTrue(Numeric.AreEqual((new Vector3F(0, 0, 1) - new Vector3F(1, 2, 3)).Length, path.GetLength(-1, 20, 100, 0.0001f), 0.001f));
CatmullRomSegment3F catmullOscillate = new CatmullRomSegment3F()
{
Point1 = new Vector3F(10, 12, 14),
Point2 = new Vector3F(10, 14, 8),
Point3 = new Vector3F(20, 14, 8),
Point4 = new Vector3F(30, 14, 8),
};
float desiredLength = catmullOscillate.GetLength(0, 1, 20, 0.0001f);
float actualLength = path.GetLength(40, 50, 20, 0.0001f);
Assert.IsTrue(Numeric.AreEqual(desiredLength, actualLength, 0.001f));
desiredLength = catmullOscillate.GetLength(1, 0.8f, 20, 0.0001f);
actualLength = path.GetLength(52, 50, 20, 0.0001f);
Assert.IsTrue(Numeric.AreEqual(desiredLength, actualLength, 0.001f));
desiredLength = catmullOscillate.GetLength(1, 0.8f, 20, 0.0001f) * 2;
actualLength = path.GetLength(52, 48, 20, 0.0001f);
Assert.IsTrue(Numeric.AreEqual(desiredLength, actualLength, 0.001f));
path.PreLoop = CurveLoopType.Linear;
path.PostLoop = CurveLoopType.Cycle;
path.PreLoop = CurveLoopType.Cycle;
path.PostLoop = CurveLoopType.CycleOffset;
path.PreLoop = CurveLoopType.CycleOffset;
path.PostLoop = CurveLoopType.Linear;
path.PreLoop = CurveLoopType.Oscillate;
path.PostLoop = CurveLoopType.Constant;
}
public void TwoKeyCurvesTest()
{
Path3F curve = new Path3F();
curve.Add(new PathKey3F()
{
Parameter = 1,
Point = new Vector3F(1, 2, 0),
Interpolation = SplineInterpolation.CatmullRom,
});
curve.Add(new PathKey3F()
{
Parameter = 3,
Point = new Vector3F(3, 4, 0),
Interpolation = SplineInterpolation.CatmullRom,
});
curve.PreLoop = CurveLoopType.Constant;
curve.PostLoop = CurveLoopType.Constant;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(2, 3, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(3, 4, 0), curve.GetPoint(3));
Assert.AreEqual(new Vector3F(3, 4, 0), curve.GetPoint(4));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(1, 1, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(1, 1, 0), curve.GetTangent(2));
Assert.AreEqual(new Vector3F(1, 1, 0), curve.GetTangent(3));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(4));
Assert.IsTrue(Numeric.AreEqual(new Vector3F(2, 2, 0).Length, curve.GetLength(0, 4, 10, 0.01f), 0.01f));
curve.PreLoop = CurveLoopType.Linear;
curve.PostLoop = CurveLoopType.Linear;
curve.PreLoop = CurveLoopType.Cycle;
curve.PostLoop = CurveLoopType.Cycle;
curve.PreLoop = CurveLoopType.CycleOffset;
curve.PostLoop = CurveLoopType.CycleOffset;
curve.PreLoop = CurveLoopType.Oscillate;
curve.PostLoop = CurveLoopType.Oscillate;
}
public void OneKeyCurvesTest()
{
// Test linear curves with 1 point
Path3F curve = new Path3F();
curve.Add(new PathKey3F()
{
Parameter = 1,
Point = new Vector3F(1, 2, 0),
Interpolation = SplineInterpolation.Linear,
});
curve.PreLoop = CurveLoopType.Constant;
curve.PostLoop = CurveLoopType.Constant;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.Linear;
curve.PostLoop = CurveLoopType.Linear;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.Cycle;
curve.PostLoop = CurveLoopType.Cycle;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.CycleOffset;
curve.PostLoop = CurveLoopType.CycleOffset;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.Oscillate;
curve.PostLoop = CurveLoopType.Oscillate;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
// Test step curves with 1 point
curve = new Path3F();
curve.Add(new PathKey3F()
{
Parameter = 1,
Point = new Vector3F(1, 2, 0),
Interpolation = SplineInterpolation.StepLeft,
});
curve.PreLoop = CurveLoopType.Constant;
curve.PostLoop = CurveLoopType.Constant;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.Linear;
curve.PostLoop = CurveLoopType.Linear;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.Cycle;
curve.PostLoop = CurveLoopType.Cycle;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.CycleOffset;
curve.PostLoop = CurveLoopType.CycleOffset;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.Oscillate;
curve.PostLoop = CurveLoopType.Oscillate;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
// Test B-spline curves with 1 point
curve = new Path3F();
curve.Add(new PathKey3F()
{
Parameter = 1,
Point = new Vector3F(1, 2, 0),
Interpolation = SplineInterpolation.BSpline,
});
curve.PreLoop = CurveLoopType.Constant;
curve.PostLoop = CurveLoopType.Constant;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.Linear;
curve.PostLoop = CurveLoopType.Linear;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.Cycle;
curve.PostLoop = CurveLoopType.Cycle;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.CycleOffset;
curve.PostLoop = CurveLoopType.CycleOffset;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.Oscillate;
curve.PostLoop = CurveLoopType.Oscillate;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
// Test Catmull-Rom curves with 1 point
curve = new Path3F();
curve.Add(new PathKey3F()
{
Parameter = 1,
Point = new Vector3F(1, 2, 0),
Interpolation = SplineInterpolation.CatmullRom,
});
curve.PreLoop = CurveLoopType.Constant;
curve.PostLoop = CurveLoopType.Constant;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.Linear;
curve.PostLoop = CurveLoopType.Linear;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.Cycle;
curve.PostLoop = CurveLoopType.Cycle;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.CycleOffset;
curve.PostLoop = CurveLoopType.CycleOffset;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.Oscillate;
curve.PostLoop = CurveLoopType.Oscillate;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
// Test Hermite curves with 1 point
curve = new Path3F();
curve.Add(new PathKey3F()
{
Parameter = 1,
Point = new Vector3F(1, 2, 0),
Interpolation = SplineInterpolation.Hermite,
TangentIn = new Vector3F(2, -2, 0),
TangentOut = new Vector3F(2, 2, 0),
});
curve.PreLoop = CurveLoopType.Constant;
curve.PostLoop = CurveLoopType.Constant;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 20, 0.01f));
curve.PreLoop = CurveLoopType.Constant;
curve.PostLoop = CurveLoopType.Linear;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(3, 4, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(2, 2, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(2, 2, 0), curve.GetTangent(2));
Assert.IsTrue(Numeric.AreEqual(new Vector3F(2, 2, 0).Length, curve.GetLength(0, 2, 10, 0.01f), 0.1f));
curve.PreLoop = CurveLoopType.Linear;
curve.PostLoop = CurveLoopType.Constant;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(-1, 4, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(2, -2, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(2, -2, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.IsTrue(Numeric.AreEqual(new Vector3F(2, 2, 0).Length, curve.GetLength(0, 2, 10, 0.01f), 0.1f));
curve.PreLoop = CurveLoopType.Linear;
curve.PostLoop = CurveLoopType.Linear;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(-1, 4, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(3, 4, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(2, -2, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(2, 2, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(2, 2, 0), curve.GetTangent(2));
Assert.IsTrue(Numeric.AreEqual(new Vector3F(4, 4, 0).Length, curve.GetLength(0, 2, 10, 0.01f), 0.1f));
curve.PreLoop = CurveLoopType.Cycle;
curve.PostLoop = CurveLoopType.Cycle;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.CycleOffset;
curve.PostLoop = CurveLoopType.CycleOffset;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.Oscillate;
curve.PostLoop = CurveLoopType.Oscillate;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
// Test Bezier curves with 1 point
curve = new Path3F();
curve.Add(new PathKey3F()
{
Parameter = 1,
Point = new Vector3F(1, 2, 0),
Interpolation = SplineInterpolation.Bezier,
TangentIn = new Vector3F(1, 2, 0) - new Vector3F(2, -2, 0) / 3,
TangentOut = new Vector3F(1, 2, 0) + new Vector3F(2, 2, 0) / 3,
});
curve.PreLoop = CurveLoopType.Constant;
curve.PostLoop = CurveLoopType.Constant;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.Constant;
curve.PostLoop = CurveLoopType.Linear;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.IsTrue(Vector3F.AreNumericallyEqual(new Vector3F(3, 4, 0), curve.GetPoint(2)));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.IsTrue(Vector3F.AreNumericallyEqual(new Vector3F(2, 2, 0), curve.GetTangent(1)));
Assert.IsTrue(Vector3F.AreNumericallyEqual(new Vector3F(2, 2, 0), curve.GetTangent(2)));
Assert.IsTrue(Numeric.AreEqual(new Vector3F(2, 2, 0).Length, curve.GetLength(0, 2, 10, 0.01f), 0.1f));
curve.PreLoop = CurveLoopType.Linear;
curve.PostLoop = CurveLoopType.Constant;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(-1, 4, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.IsTrue(Vector3F.AreNumericallyEqual(new Vector3F(2, -2, 0), curve.GetTangent(0)));
Assert.IsTrue(Vector3F.AreNumericallyEqual(new Vector3F(2, -2, 0), curve.GetTangent(1)));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.IsTrue(Numeric.AreEqual(new Vector3F(2, 2, 0).Length, curve.GetLength(0, 2, 10, 0.01f), 0.1f));
curve.PreLoop = CurveLoopType.Linear;
curve.PostLoop = CurveLoopType.Linear;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(-1, 4, 0), curve.GetPoint(0));
Assert.IsTrue(Vector3F.AreNumericallyEqual(new Vector3F(3, 4, 0), curve.GetPoint(2)));
Assert.IsTrue(Vector3F.AreNumericallyEqual(new Vector3F(2, -2, 0), curve.GetTangent(0)));
Assert.IsTrue(Vector3F.AreNumericallyEqual(new Vector3F(2, 2, 0), curve.GetTangent(1)));
Assert.IsTrue(Vector3F.AreNumericallyEqual(new Vector3F(2, 2, 0), curve.GetTangent(2)));
Assert.IsTrue(Numeric.AreEqual(new Vector3F(4, 4, 0).Length, curve.GetLength(0, 2, 10, 0.01f), 0.1f));
curve.PreLoop = CurveLoopType.Cycle;
curve.PostLoop = CurveLoopType.Cycle;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.CycleOffset;
curve.PostLoop = CurveLoopType.CycleOffset;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
curve.PreLoop = CurveLoopType.Oscillate;
curve.PostLoop = CurveLoopType.Oscillate;
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(1));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(0));
Assert.AreEqual(new Vector3F(1, 2, 0), curve.GetPoint(2));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(0));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(1));
Assert.AreEqual(new Vector3F(0, 0, 0), curve.GetTangent(2));
Assert.AreEqual(0, curve.GetLength(0, 2, 10, 0.01f));
}