public void TestCatmullRomVelocities()
{
Vector3[] p1 =
{
new Vector3(0, 0, 0),
new Vector3(1, 0, 0),
new Vector3(2, 0, 0),
new Vector3(3, 0, 0),
};
float[] fs =
{
0, 1, 2, 3
};
HermiteSplineCurve hermite = new HermiteSplineCurve();
hermite.InitCatmullRom(p1, fs);
Vector3[] velocitySamples =
{
hermite.GetVelocity(0.0f),
hermite.GetVelocity(0.5f),
hermite.GetVelocity(1.0f),
hermite.GetVelocity(1.5f),
hermite.GetVelocity(2.0f),
hermite.GetVelocity(3.0f),
};
string tangentDebug = "Tangent 0 vectors:\n";
foreach (Vector3 v in hermite.Tangent0Vectors)
{
tangentDebug += v + ",";
}
tangentDebug += "\nTangent 1 vectors:\n";
foreach (Vector3 v in hermite.Tangent1Vectors)
{
tangentDebug += v + ",";
}
Debug.Log(tangentDebug);
string velcityDebug = "Velocity:\n";
foreach (Vector3 v in velocitySamples)
{
velcityDebug += v + ",";
}
Debug.Log(velcityDebug);
for (int i = 1; i < velocitySamples.Length; i++)
{
Assert.Equals(velocitySamples[i - 1], velocitySamples[i]);
}
}
public void TestRenderpoints()
{
Vector3[] p1 =
{
new Vector3(0, 0, 0),
new Vector3(0, 1, 0),
new Vector3(0, 0, 0),
};
HermiteSplineCurve hermite = new HermiteSplineCurve();
hermite.InitNatural(p1);
float[] renderPoints = hermite.GetRenderPoints();
foreach (float f in renderPoints)
{
hermite.GetPosition(f);
}
}
public void TestLinearPath()
{
Vector3[] p1 =
{
new Vector3(0, 0, 0),
new Vector3(0, 1, 0),
new Vector3(1, 2, 1),
new Vector3(2, 2, 2)
};
HermiteSplineCurve hermite = new HermiteSplineCurve();
hermite.InitNatural(p1);
float totalLength = hermite.totalLength;
float linearLength = 0;
for (int i = 0; i < p1.Length - 1; i++)
{
Vector3 linearSegment = p1[i] - p1[i + 1];
linearLength += linearSegment.magnitude;
}
Assert.True(totalLength > linearLength, "Minimum is direct line between line segments");
}
public void DoUpdateSpline()
{
List <Vector3> controlPoints = new List <Vector3>();
List <Vector3> tangents = new List <Vector3>();
List <float> time = new List <float>();
float lastTime = 0;
for (int i = 0; i < transform.childCount; i++)
{
ControlPointComponent controlPointComp = transform.GetChild(i).gameObject.GetComponent <ControlPointComponent>();
if (controlPointComp != null)
{
controlPoints.Add(controlPointComp.position);
tangents.Add(controlPointComp.tangent);
// if illegal time detected, then autoadjust
if (lastTime >= controlPointComp.time)
{
controlPointComp.time += lastTime + 1;
}
lastTime = controlPointComp.time;
time.Add(controlPointComp.time);
}
}
switch (splineType)
{
case SplineType.LinearSpline: {
LinearSplineCurve lSpline = new LinearSplineCurve();
spline = lSpline;
spline.lengthPrecision = lengthPrecision;
lSpline.Init(controlPoints.ToArray(), time.ToArray());
}
break;
case SplineType.CatmullRom: {
HermiteSplineCurve hSpline = new HermiteSplineCurve();
spline = hSpline;
spline.lengthPrecision = lengthPrecision;
hSpline.InitCatmullRom(controlPoints.ToArray());
}
break;
case SplineType.BezierSpline:
case SplineType.BezierSmoothSpline:
BezierSplineCurve bSpline = new BezierSplineCurve();
spline = bSpline;
spline.lengthPrecision = lengthPrecision;
switch (splineType)
{
case SplineType.BezierSpline:
bSpline.Init(controlPoints.ToArray());
break;
case SplineType.BezierSmoothSpline:
bSpline.InitSmoothTangents(controlPoints.ToArray());
break;
}
break;
}
// hack to make the editor update the obejct
Vector3 p = transform.position;
transform.position = Vector3.zero;
if (p.sqrMagnitude > 0)
{
transform.position = p;
}
updated = true;
}
