März 5, 2012

a blending effect takes place square by square between two pictures. The square diminishes in size to create a mor hi-res image. With the space bar the next picture can be activated.

PImage[] img = new PImage[6];
float pause = 0.000001;
long timeStamp;
float rectSize = 30;
int getPic = 0;
int getPicNext = 1;

void setup() {
 size(800, 600);
 img[0] = loadImage("ducks.jpg");
 img[1] = loadImage("arcade.jpg");
 img[2] = loadImage("forbidenplanet.jpg");
 img[3] = loadImage("green.jpg");
 img[4] = loadImage("planets.jpg");
 img[5] = loadImage("vector.jpg");
 noStroke();
 image(img[getPic], 0, 0);
}

void draw() {

 img[getPic].loadPixels();
 img[getPicNext].loadPixels();
 // We must also call loadPixels() on the PImage since we are going to read its pixels.
 for (int y = 0; y < height; y++ ) {
 for (int x = 0; x < width; x++ ) {
 if (millis()-timeStamp>pause) {
 if (rectSize>=10)
 rectSize = rectSize-(pause*5000);

int getRandomLocX = int(random(width));
 int getRandomLocY = int(random(height));

int loc = getRandomLocX + getRandomLocY*width;

float r = red(img[getPicNext].pixels [loc]);
 float g = green(img[getPicNext].pixels[loc]);
 float b = blue(img[getPicNext].pixels[loc]);

fill(r, g, b, 80);
 rect(getRandomLocX, getRandomLocY, rectSize, rectSize);
 timeStamp= millis();
 }
 }
 }
}

void keyPressed() {
 if (key==32) {
 rectSize = 80;
 getPic++;
 getPicNext = getPic+1;

if (getPic==img.length-1) {
 getPicNext=0;
 }
 if (getPic==img.length) {
 getPic=0;
 getPicNext = getPic+1;
 }
 }
 println(getPic +" | " +getPicNext);
}