/* plusses.pde
   Written by Justin Hsia
   
   Use arrays to draw a bunch of different plusses
*/

// arrays to hold arguments for each individual plus
int[] xArr = {0, 70, 100, 150, 20,  400};
int[] yArr = {0, 50, 130, 350, 200, 100};
color[] cArr = {color(255,0,0), color(0,255,0), color(0,0,255), color(255,255,0), color(0,255,255), color(255,0,255)};


void setup() {
  size(500,500);    // drawing canvas size
  background(255);  // white background
}


void draw() {
  // draw plusses of arbitrary colors in arbitrary locations
  //   based on values in xArr[], yArr[], and cArr[]
  for(int i = 0; i < xArr.length; i = i+1) {
    drawPlus(xArr[i],yArr[i],cArr[i]);
  }
}


// draw a plus (+) of size 50x50 using a custom shape
void drawPlus(int x, int y, color c) {
  fill(c);
  beginShape();
    vertex(x,    y+20); // upper W point
    vertex(x+20, y+20); // NW point
    vertex(x+20, y);    // left N point
    vertex(x+30, y);    // right N point
    vertex(x+30, y+20); // NE point
    vertex(x+50, y+20); // upper E point
    vertex(x+50, y+30); // lower E point
    vertex(x+30, y+30); // SE point
    vertex(x+30, y+50); // right S point
    vertex(x+20, y+50); // left S point
    vertex(x+20, y+30); // SW point
    vertex(x,    y+30); // lower W point
  endShape();
}