/* drawSquare_v2.pde
   Created by Justin Hsia
   
   Draw "square art" using lines, variables, functions, randomization
*/
void setup() {
    size(500,500);    // set drawing canvas size
    strokeWeight(5);  // make lines thicker
}


void draw() {
  drawSquare(int(random(1,300)),int(random(1,300)),int(random(100,200)),color(0,random(0,255),0));
  //drawSquare(50,50,200,color(255,0,0));
  //drawSquare(350,350,100,color(0,0,255));
  frameRate(5);    // slow down drawing rate
}


// parameterized version of drawSquare()
// draws a square of specified length and color at (x,y)
void drawSquare(int x, int y, int len, color c) {
    stroke(c);
    line(x,    y,    x,    y+len);  // left vertical line
    line(x,    y,    x+len,y    );  // top horizontal line
    line(x,    y+len,x+len,y+len);  // bottom horizontal line
    line(x+len,y,    x+len,y+len);  // right vertical line  
}