public static Vector3Double Project(Vector3Double vector, Vector3Double onNormal)
{
double num = Vector3Double.Dot(onNormal, onNormal);
if (num < 1.40129846432482E-45d)
{
return(Vector3Double.zero);
}
else
{
return(onNormal * Vector3Double.Dot(vector, onNormal) / num);
}
}
public static Vector3Double SmoothDamp(Vector3Double current, Vector3Double target, ref Vector3Double currentVelocity, double smoothTime, double maxSpeed, double deltaTime)
{
smoothTime = Mathd.Max(0.0001d, smoothTime);
double num1 = 2d / smoothTime;
double num2 = num1 * deltaTime;
double num3 = (1.0d / (1.0d + num2 + 0.479999989271164d * num2 * num2 + 0.234999999403954d * num2 * num2 * num2));
Vector3Double vector = current - target;
Vector3Double vector3_1 = target;
double maxLength = maxSpeed * smoothTime;
Vector3Double vector3_2 = Vector3Double.ClampMagnitude(vector, maxLength);
target = current - vector3_2;
Vector3Double vector3_3 = (currentVelocity + num1 * vector3_2) * deltaTime;
currentVelocity = (currentVelocity - num1 * vector3_3) * num3;
Vector3Double vector3_4 = target + (vector3_2 + vector3_3) * num3;
if (Vector3Double.Dot(vector3_1 - current, vector3_4 - vector3_1) > 0.0)
{
vector3_4 = vector3_1;
currentVelocity = (vector3_4 - vector3_1) / deltaTime;
}
return(vector3_4);
}
public static double AngleBetween(Vector3Double from, Vector3Double to)
{
return(Mathd.Acos(Mathd.Clamp(Vector3Double.Dot(from.normalized, to.normalized), -1d, 1d)));
}
public static Vector3Double Reflect(Vector3Double inDirection, Vector3Double inNormal)
{
return(-2d * Vector3Double.Dot(inNormal, inDirection) * inNormal + inDirection);
}