| public static Hermite ( double value1, double tangent1, double value2, double tangent2, double amount ) : double | ||
| value1 | double | |
| tangent1 | double | |
| value2 | double | |
| tangent2 | double | |
| amount | double | |
| return | double | |
public static double Hermite(double value1, double tangent1, double value2, double tangent2, double amount)
{
// All transformed to double not to lose precission
// Otherwise, for high numbers of param:amount the result is NaN instead of Infinity
double v1 = value1, v2 = value2, t1 = tangent1, t2 = tangent2, s = amount, result;
double sCubed = s * s * s;
double sSquared = s * s;
if (amount == 0d)
result = value1;
else if (amount == 1f)
result = value2;
else
result = (2d * v1 - 2d * v2 + t2 + t1) * sCubed +
(3d * v2 - 3d * v1 - 2d * t1 - t2) * sSquared +
t1 * s + v1;
return result;
}
| Utils::Hermite ( float value1, float tangent1, float value2, float tangent2, float amount ) : float |
public static double SmoothStep(double value1, double value2, double amount)
{
// It is expected that 0 < amount < 1
// If amount < 0, return value1
// If amount > 1, return value2
double result = Utils.Clamp(amount, 0f, 1f);
return(Utils.Hermite(value1, 0f, value2, 0f, result));
}
