public void TestLength()
{
Vector3[] p1 =
{
new Vector3(0, 0, 0),
new Vector3(0, 1, 0)
};
float[] t1 = { 0f, 1f };
LinearSplineCurve lp = new LinearSplineCurve();
lp.Init(p1, t1);
Assert.Equals(1.0f, lp.totalTime);
Vector3[] p2 =
{
new Vector3(0, 0, 0),
new Vector3(1, 1, 1)
};
lp = new LinearSplineCurve();
lp.Init(p2, t1);
float p2Length = p2[1].magnitude;
float lpTotalTime = lp.totalLength;
Assert.True(Mathf.Approximately(p2Length, lpTotalTime));
}
public void TestLinearPathExplicitDistances()
{
Vector3[] p1 =
{
new Vector3(0, 0, 0),
new Vector3(0, 1, 0),
new Vector3(1, 2, 1)
};
float[] t1 = { 0f, 1f, 1f + Mathf.Sqrt(3) };
LinearSplineCurve lp = new LinearSplineCurve();
lp.Init(p1, t1);
Vector3 expectedResult = p1[1];
Assert.Equals(expectedResult, lp.GetPosition(1f));
expectedResult = new Vector3(0f, 0.5f, 0f);
Assert.Equals(expectedResult, lp.GetPosition(0.5f));
// test start and end conditions
Assert.Equals(Vector3.zero, lp.GetPosition(0.0f));
Vector3 endpoint = new Vector3(1, 2, 1);
Assert.Equals(endpoint, lp.GetPosition(lp.totalTime));
}
public void TestRenderingPointsBug()
{
// test bug with renderingpoints being too long
Vector3[] p1 =
{
new Vector3(0, 0, 0),
new Vector3(1, 0, 0),
new Vector3(2, 0, 0),
new Vector3(3, 0, 0),
};
float[] floats =
{
1, 2, 3, 4
};
LinearSplineCurve lp = new LinearSplineCurve();
lp.Init(p1, floats);
float[] renderPoints = lp.GetRenderPoints();
Vector3[] vs = new Vector3[renderPoints.Length];
for (int i = 0; i < renderPoints.Length; i++)
{
vs[i] = lp.GetPosition(renderPoints[i]);
}
string renderPointsStr = "Renderpoints (linear)";
for (int i = 1; i < vs.Length; i++)
{
float length = (vs[i - 1] - vs[i]).magnitude;
Assert.True(Mathf.Approximately(1.0f, length));
renderPointsStr += vs[i - 1] + " - " + vs[i] + "\n";
}
Debug.Log(renderPointsStr);
Assert.Equals(4, renderPoints.Length);
}
public void TestLengthConCat1()
{
Vector3[] p1 =
{
new Vector3(0, 0, 0),
new Vector3(0, 1, 0),
new Vector3(0, 0, 0),
};
float[] t1 = { 0f, 1f, 2f };
LinearSplineCurve lp = new LinearSplineCurve();
lp.Init(p1, t1);
Assert.Equals(2, lp.totalTime);
}
public void TestLengthConCat2()
{
// more advanced test
Vector3[] p2 =
{
new Vector3(0, 0, 0),
new Vector3(1, 1, 1),
new Vector3(0, 1, 1),
new Vector3(0, 4, 1),
};
float[] t1 = { 0f, 1f, 2f, 3f };
LinearSplineCurve lp = new LinearSplineCurve();
lp.Init(p2, t1);
Assert.Equals(p2[1].magnitude + 1 + 3, lp.totalLength);
}
public void TestRenderPoints()
{
Vector3[] p1 =
{
new Vector3(0, 0, 0),
new Vector3(0, 1, 0),
new Vector3(0, 0, 0),
};
float[] t1 = { 0f, 1f, 2f };
LinearSplineCurve lp = new LinearSplineCurve();
lp.Init(p1, t1);
float[] renderPoints = lp.GetRenderPoints();
Assert.Equals(3, renderPoints.Length);
Assert.Equals(0f, renderPoints[0]);
Assert.Equals(1f, renderPoints[1]);
Assert.Equals(2f, renderPoints[2]);
}
public void XTestLinearPath()
{
Vector3[] p1 =
{
new Vector3(0, 0, 0),
new Vector3(1, 2, 3),
};
float[] t1 = { 0f, 1f };
LinearSplineCurve lp = new LinearSplineCurve();
lp.Init(p1, t1);
Vector3 expectedResult = new Vector3(.5f, 1, 1.5f);
Assert.Equals(expectedResult, lp.GetPosition(0.5f * lp.totalTime));
expectedResult = new Vector3(.25f, .5f, 0.75f);
Assert.Equals(expectedResult, lp.GetPosition(0.25f * lp.totalTime));
// test start and end conditions
Assert.Equals(p1[0], lp.GetPosition(0.0f));
Assert.Equals(p1[1], lp.GetPosition(lp.totalTime));
}
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;
}