ImagePatterns

//unravel the code, wdka.nl

//a square image, replacing and rotating with a function

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PImage img;  // Declare variable "a" of type PImage

​

void setup() {

  size(640, 360);

  // The image file must be in the data folder of the current sketch 

  // to load successfully

  //or load it from somewhere:

  //for this sketch to work it has to be a square of 80x80 pixels

  img = loadImage("http://contrech.home.xs4all.nl/examples/pattern.jpg");  // Load the image into the program

}

​

void draw() {

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  drawImage(0, 0, 0);//numbers: place x - place y - rotation in degrees

  drawImage(1, 0, 90);

  drawImage(1, 1, 180);

}

​

void drawImage(int xC, int yC, float myAngle) {

  pushMatrix();

  translate(img.width/2 + 80*xC, img.height/2 + 80*yC );

  rotate(PI/2 * myAngle/90);

  image(img, -img.width/2, -img.height/2 );

  popMatrix();

}