private void DrawGizmo()
{
Gizmos.color = controlPointColor;
for (int i = 0; i < transform.childCount; i++)
{
ControlPointComponent splineComponent = transform.GetChild(i).gameObject.GetComponent <ControlPointComponent>();
if (splineComponent != null)
{
Gizmos.DrawSphere(splineComponent.position, sphereRadius);
}
}
// only call when updates
if (!updated || spline == null)
{
DoUpdateSpline();
}
float[] fs = spline.GetRenderPoints();
Vector3[] vs = new Vector3[fs.Length];
for (int i = 0; i < fs.Length; i++)
{
vs[i] = spline.GetPosition(fs[i]);
}
for (int i = 1; i < vs.Length; i++)
{
Gizmos.color = splineColor;
Gizmos.DrawLine(vs[i - 1], vs[i]);
}
}
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;
}
