public static float[] RandomUnitVector3()
{
float x = Rand.Float(-1, 1);
float y = Rand.Float(-1, 1);
float z = Rand.Float(-1, 1);
float len = (float)Math.Sqrt(x * x + y * y + z * z);
return(new float[] { x / len, y / len, z / len });
}
public static float[] RandomizeInMinMax(this float[] center, MinMax minmax)
{
float x = Rand.Float(minmax.Min.X, minmax.Max.X);
float y = Rand.Float(minmax.Min.Y, minmax.Max.Y);
float z = Rand.Float(minmax.Min.Z, minmax.Max.Z);
float[] arr = new float[] { x, y, z };
float[] result = new float[center.Length];
for (int i = 0; i < result.Length; i++)
{
result[i] = center[i] + arr[i];
}
return(result);
}
public static float[] RandomizeInRadius(this float[] center, float radius)
{
float val = Rand.Float(radius);
float[] vec = CommonUtils.RandomUnitVector3();
for (int i = 0; i < vec.Length; i++)
{
vec[i] *= val;
}
float[] result = new float[center.Length];
for (int i = 0; i < result.Length; i++)
{
result[i] = center[i] + vec[i];
}
return(result);
}
