vex Coloring points from arrays

[pillsNmilk]

 

Hey im relatively new to coding in vex but  i am having issues writing out the points to an array then reading them to use them for pretty much anything, for example colors...here is the code in question: My question is how do i assign color to individual points from the array . for example if i wanted to assign (without using relpointbbox()) using the array readout to assign the color red to points above 500 and the color blue to below 500.

 

int my_array[] = i[]@my_array;


vector pos = set(0,0,0);

//for point space and amt of X
int nopointx = chi("point_amountX");
float ptspacex = chf("point_spaceX");

//for point space and amt of Y
int nopointy = chi("point_amountY");
float ptspacey = chf("point_spaceY");

//for point space and amt of Z
int nopointz = chi("point_amountZ");
float ptspacez = chf("point_spaceZ");

    for (int z = 0; z < nopointz ; z++)
    {

        for (int y = 0; y < nopointy ; y++)
        {
                
                for (int x = 0; x < nopointx ; x++)
                {
                        pos = set (ptspacex*x, ptspacey*y, ptspacez*z); 
                        int newpt = addpoint(0, pos);
                        append(my_array, newpt);
                
                }
                
        }        
        
    }    
  
    
    
for (int z = 0; z < 500 ; z++)
    { 
        
        
       @Cd = set(1,0,0);
         
    }


i[]@my_array = my_array;