clamp method
Ensures this 3D vector lies in the given min/max range.
Implementation
Vector3 clamp(Vector3 min, Vector3 max ) {
x = math.max( min.x, math.min( max.x, x ) );
y = math.max( min.y, math.min( max.y, y ) );
z = math.max( min.z, math.min( max.z, z ) );
return this;
}