The piece of computer art that I chose to recreate is this:
The result is this:
Below is the code to my recreation. It creates different result every time it is executed because which of the lines out of the 8 options are drawn are randomly chosen. I spent a lot of time trying to make the code as efficient as possible.:
float rectSize;
float gapSize;
int numRect = 17;
void setup(){
size(720, 720);
background(0);
rectSize = width / 26.0;
gapSize = rectSize / 2.0;
rectMode(CORNER);
noFill();
stroke(255);
drawRect();
}
void draw(){
}
void drawRect(){
float x_pos = gapSize;
float y_pos = gapSize;
for(int i = 0; i < numRect; i++){
for(int j = 0; j < numRect; j++){
rect(x_pos, y_pos, rectSize, rectSize);
whichLines(i, j, x_pos, y_pos);
x_pos += (rectSize + gapSize);
}
x_pos = gapSize;
y_pos += (rectSize + gapSize);
}
}
void whichLines(int i, int j, float x_pos, float y_pos){
int numLines = 0;
if(i == 0 | j == 0| i == 16 | j == 16){
numLines = 8;
}
else if(i == 1 | j == 1 | i == 15 | j == 15){
numLines = 7;
}
else if(i == 2 | j == 2 | i == 14 | j == 14){
numLines = 6;
}
else if(i == 3 | j == 3 | i == 13 | j == 13){
numLines = 5;
}
else if(i == 4 | j == 4 | i == 12 | j == 12){
numLines = 4;
}
else if(i == 5 | j == 5 | i == 11 | j == 11){
numLines = 3;
}
else if(i == 6 | j == 6 | i == 10 | j == 10){
numLines = 2;
}
else if(i == 7 | j == 7 | i == 9 | j == 9){
numLines = 1;
}
else if(i == 8 && j == 8){
numLines = 0;
}
drawLines(numLines, x_pos, y_pos);
}
void drawLines(int numLines, float x_pos, float y_pos){
if(numLines == 0){
return;
}
else if(numLines == 8){
for(int i = 1; i < 9; i++){
drawLine(i, x_pos, y_pos);
}
}
else if(numLines == 7){
int randNum = int(random(1, 9));
for(int i = 1; i < 9; i++){
if(i != randNum){
drawLine(i, x_pos, y_pos);
}
}
}
else if(numLines == 6){
int randNum1 = int(random(1, 9));
int randNum2 = int(random(1, 9));
while(randNum1 == randNum2){
randNum2 = int(random(1, 9));
}
for(int i = 1; i < 9; i++){
if( i != randNum1 && i != randNum2){
drawLine(i, x_pos, y_pos);
}
}
}
else if(numLines == 5){
int randNum1 = int(random(1, 9));
int randNum2 = int(random(1, 9));
while(randNum1 == randNum2){
randNum2 = int(random(1, 9));
}
int randNum3 = int(random(1, 9));
while(randNum3 == randNum1 || randNum3 == randNum2){
randNum3 = int(random(1, 9));
}
for(int i = 1; i < 9; i++){
if( i != randNum1 && i != randNum2 && i != randNum3){
drawLine(i, x_pos, y_pos);
}
}
}
else if(numLines == 4){
int randNum1 = int(random(1, 9));
int randNum2 = int(random(1, 9));
while(randNum1 == randNum2){
randNum2 = int(random(1, 9));
}
int randNum3 = int(random(1, 9));
while(randNum3 == randNum1 || randNum3 == randNum2){
randNum3 = int(random(1, 9));
}
int randNum4 = int(random(1, 9));
while(randNum4 == randNum1 || randNum4 == randNum2 || randNum4 == randNum3){
randNum4 = int(random(1, 9));
}
for(int i = 1; i < 9; i++){
if( i != randNum1 && i != randNum2 && i != randNum3 && i != randNum4){
drawLine(i, x_pos, y_pos);
}
}
}
else if(numLines == 3){
int randNum1 = int(random(1, 9));
int randNum2 = int(random(1, 9));
while(randNum1 == randNum2){
randNum2 = int(random(1, 9));
}
int randNum3 = int(random(1, 9));
while(randNum3 == randNum1 || randNum3 == randNum2){
randNum3 = int(random(1, 9));
}
for(int i = 1; i < 9; i++){
if( i == randNum1 || i == randNum2 || i == randNum3){
drawLine(i, x_pos, y_pos);
}
}
}
else if(numLines == 2){
int randNum1 = int(random(1, 9));
int randNum2 = int(random(1, 9));
while(randNum1 == randNum2){
randNum2 = int(random(1, 9));
}
for(int i = 1; i < 9; i++){
if( i == randNum1 || i == randNum2){
drawLine(i, x_pos, y_pos);
}
}
}
else if(numLines == 1){
int randNum1 = int(random(1, 9));
drawLine(randNum1, x_pos, y_pos);
}
}
void drawLine(int whichLine, float x_pos, float y_pos){
if(whichLine == 1){
//vertical line
line(x_pos + gapSize, y_pos, x_pos + gapSize, y_pos + rectSize);
}
else if(whichLine == 2){
//horizontal line
line(x_pos, y_pos + gapSize, x_pos + rectSize, y_pos + gapSize);
}
else if(whichLine == 3){
//left diagonal
line(x_pos, y_pos, x_pos + rectSize, y_pos + rectSize);
}
else if(whichLine == 4){
//right diagonal
line(x_pos + rectSize, y_pos, x_pos, y_pos + rectSize);
}
else if(whichLine == 5){
//small diagonal 1
line(x_pos + gapSize, y_pos, x_pos, y_pos + gapSize);
}
else if(whichLine == 6){
line(x_pos, y_pos + gapSize, x_pos + gapSize, y_pos + rectSize);
}
else if(whichLine == 7){
line(x_pos + gapSize, y_pos + rectSize, x_pos + rectSize, y_pos + gapSize);
}
else if(whichLine == 8){
line(x_pos + rectSize, y_pos + gapSize, x_pos + gapSize, y_pos);
}
}