| public static GetPoint ( Vector3 p0, Vector3 p1, Vector3 p2, Vector3 p3, float t ) : Vector3 | ||
| p0 | Vector3 | |
| p1 | Vector3 | |
| p2 | Vector3 | |
| p3 | Vector3 | |
| t | float | |
| return | Vector3 | |
public Vector3 GetPoint(float t)
{
int i;
if (t >= 1f)
{
t = 1f;
i = points.Length - 4;
}
else
{
t = Mathf.Clamp01(t) * CurveCount;
i = (int)t;
t -= i; // [0, 1]
i *= 3;
}
return(transform.TransformPoint(CatmullRom.GetPoint(points[i], points[i + 1], points[i + 2], points[i + 3], t)));
}
/// <summary>
/// Get position on spline
/// </summary>
/// <param name="i">
/// A <see cref="System.Int32"/>. index point on spline
/// </param>
/// <param name="t">
/// A <see cref="System.Single"/>. position on spline segment
/// </param>
/// <returns>
/// A <see cref="Vector3"/>
/// </returns>
public Vector3 GetValue(int i, float t)
{
if (i == 0 && t == 0)
{
return(values[0]);
}
if (i >= values.Count - 1)
{
return(values[values.Count - 1]);
}
Vector3 prevPos;
Vector3 currPos = values[i];
Vector3 nextPos = values[i + 1];
Vector3 nextNextPos;
if (i > 0)
{
prevPos = values[i - 1];
}
else
{
//extrapolated
prevPos = currPos - (nextPos - currPos);
}
if (i < values.Count - 2)
{
nextNextPos = values[i + 2];
}
else
{
//extrapolated
nextNextPos = nextPos + (nextPos - currPos);
}
return(CatmullRom.GetPoint(prevPos, currPos, nextPos, nextNextPos, t));
}
