void OnDrawGizmos()
{
if (!this.drawTrail || this.trailDetailLevel == 0 || !this.drawTrailGizmos)
{
return;
}
if (this.waypointData != null && Event.current.type == EventType.Repaint)
{
Gizmos.color = this.trailColor;
for (int i = 0; i < this.waypointData.length; i++)
{
if (i == this.waypointData.length - 1)
{
if (this.completeTrail)
{
WaypointUtility.DrawCurve(this.TransformPoint(this.waypointData[i + 0]), this.TransformPoint(this.waypointData[0 + 0]), this.trailDetailLevel, Gizmos.DrawLine);
}
}
else
{
WaypointUtility.DrawCurve(this.TransformPoint(this.waypointData[i + 0]), this.TransformPoint(this.waypointData[i + 1]), this.trailDetailLevel, Gizmos.DrawLine);
}
}
Gizmos.color = Color.white;
}
}
private Vector3 GetPosition(float factor, bool loop)
{
int len = loop ? this.waypointData.length : this.waypointData.length - 1;
int i0 = this.NormalizeIndex(Mathf.FloorToInt(factor * len), loop);
int i1 = this.NormalizeIndex(i0 + 1, loop);
//This is like: (currentIndexPoint - lastIndexPoint) / (nextIndexPoint - lastIndexPoint)
//currentIndexPoint = factor * lengthWaypoint
//lastIndexPoint = floor(factor * lengthWaypoint)
//nextIndexPoint = lastIndexPoint + 1
float time = (factor * len) % 1;
Point p0 = this.TransformPoint(this.waypointData [i0]);
Point p1 = this.TransformPoint(this.waypointData [i1]);
Vector3 tan0 = p0.position + (p0.uniqueTangent ? p0.tangent : p0.tangentR);
Vector3 tan1 = p1.position + (p1.uniqueTangent ? -p1.tangent : p1.tangentL);
return(WaypointUtility.CubicBezier(p0.position, tan0, tan1, p1.position, time));
}
/// <summary>
/// Draws the bezier curve
/// </summary>
/// <param name="pointA">Point a.</param>
/// <param name="pointB">Point b.</param>
/// <param name="detail">Level Detail of Curve</param>
/// <param name="drawLine">Function to Draw the Curve</param>
public static void DrawCurve(Point pointA, Point pointB, int detail, DrawLine drawLine)
{
//float dis = Mathf.Clamp((pointB.position - pointA.position).magnitude, 0.5f, 1);
Vector3 tan0 = pointA.position + (pointA.uniqueTangent ? pointA.tangent : pointA.tangentR);
Vector3 tan1 = pointB.position + (pointB.uniqueTangent ? -pointB.tangent : pointB.tangentL);
if (tan0 == pointA.position && tan1 == pointB.position)
{
drawLine(pointA.position, pointB.position);
}
else
{
int max = Mathf.RoundToInt(detail /** dis*/);
Vector3 lpos = pointA.position;
for (int i = 1; i < max + 1; i++)
{
float step = (float)i / (max);
Vector3 npos = WaypointUtility.CubicBezier(pointA.position, tan0, tan1, pointB.position, step);
drawLine(lpos, npos);
lpos = npos;
}
}
}