public static Vector3[] ToPoints(this CatmullRomSpline bezierPath,
float stepAngle = 2, float step = 0.01f, float maxSegmentLength = Single.PositiveInfinity)
{
var previous = bezierPath.Evaluate(0);
var points = new List <Vector3>();
points.Add(previous);
var previousDirection = bezierPath.Evaluate(0.01f) - previous;
Vector3 previousPoint = previous;
for (float t = step; t < 1.0f; t += step)
{
var point = bezierPath.Evaluate(t);
var currentDirection = point - previousPoint;
if (Vector3.Angle(currentDirection, previousDirection) > stepAngle ||
Vector3.Distance(point, previous) > maxSegmentLength)
{
points.Add(point);
previous = point;
previousDirection = currentDirection;
}
previousPoint = point;
}
points.Add(bezierPath.Evaluate(1));
return(points.ToArray());
}
private unsafe void OnEnable()
{
// Editor mode
if (positionsProperty == null)
{
Awake();
}
var vector3s = new Vector3[]
{
new Vector3(0, 0, 0),
new Vector3(-1, 0, 1f),
new Vector3(1, 0, 2f),
new Vector3(0, 0, 3f),
Target != null ? Target.localPosition : new Vector3(0, 0, 5),
};
if (Points != null && Points.Length > 2)
{
vector3s = Points.Select(t => t.localPosition).ToArray();
}
var spline = new CatmullRomSpline(vector3s);
var points = spline.ToPoints(100);
var positionsBuffer = new ComputeBuffer(points.Length, sizeof(Vector3), ComputeBufferType.Structured);
positionsBuffer.SetData(points);
positionsProperty.Value = positionsBuffer;
positionsLengthProperty.Value = positionsBuffer.count;
ApplyProperties();
OnValidate();
}
public static Vector3[] ToPoints(this CatmullRomSpline bezierPath, int pointCount)
{
if (pointCount < 2)
{
pointCount = 2;
}
var step = 1.0f / (pointCount - 1);
var previous = bezierPath.Evaluate(0);
var points = new List <Vector3>();
points.Add(previous);
for (float t = step; t < 1.0f; t += step)
{
var point = bezierPath.Evaluate(t);
points.Add(point);
}
points.Add(bezierPath.Evaluate(1));
return(points.ToArray());
}
