| private static Interp ( Vector3 pts, float t ) : Vector3 | ||
| pts | Vector3 | |
| t | float | |
| return | Vector3 | |
private static Vector3 Interp(Vector3[] pts, float t)
{
int numSections = pts.Length - 3;
int currPt = Mathf.Min(Mathf.FloorToInt(t * (float) numSections), numSections - 1);
float u = t * (float) numSections - (float) currPt;
Vector3 a = pts[currPt];
Vector3 b = pts[currPt + 1];
Vector3 c = pts[currPt + 2];
Vector3 d = pts[currPt + 3];
return .5f * (
(-a + 3f * b - 3f * c + d) * (u * u * u)
+ (2f * a - 5f * b + 4f * c - d) * (u * u)
+ (-a + c) * u
+ 2f * b
);
}