sc3 function
Implementation
double sc3(double x, double z, double r, NoisePlane n) {
return ((n.noise2(x + ((r * MAGIC[1]) - (r * MAGIC[0])), z + ((r * MAGIC[0]) + (r * MAGIC[1]))))
+(n.noise2(x + ((r * MAGIC[5]) - (r * MAGIC[4])), z + ((r * MAGIC[4]) + (r * MAGIC[5]))))
+(n.noise2(x + ((r * MAGIC[5]) - (r * MAGIC[6])), z + ((r * MAGIC[6]) + (r * MAGIC[5])))))*0.33333334;
}