PImage img;
int id = 1;
int sortMode = 1;
void setup() {
size(600, 400);
reset();
}
void reset() {
img = loadImage("winterpark.jpg");
}
void draw() {
// load em
img.loadPixels();
color[] pxls = img.pixels;
switch(sortMode) {
case 1:
sortLeft(pxls);
break;
case 2:
sortDown(pxls);
break;
case 3:
sortUp(pxls);
break;
}
// update em
img.updatePixels();
// show em
image(img, 0, 0);
}
void sortLeft(color[] pxls) {
// do something with the pixels (remix them)
for(int y = 0; y < height; y++) {
for(int x = 0; x < width-1 ; x++) {
// get indices for left and right pixel
int left = y * img.width + x;
int right = y * img.width + (x+1);
// bubble sort step ( exchange pixels according to saturation ... )
int posx = mouseX - width / 2;
if(green(pxls[right]) - green(pxls[left]) < posx) {
// exchange color values of those pixels
color tmp= pxls[right];
pxls[right] = pxls[left];
pxls[left] = tmp;
}
}
}
}
void sortDown(color[] pxls) {
// do something with the pixels (remix them)
for(int x = 0; x < width; x++) {
for(int y = height - 2; y > 0 ; y--) {
// get indices for left and right pixel
int top = y * img.width + x;
int bottom = (y+1) * img.width + x;
// bubble sort step ( exchange pixels according to saturation ... )
int posx = mouseX - width / 2;
if(green(pxls[top]) - green(pxls[bottom]) < posx) {
// exchange color values of those pixels
color tmp= pxls[top];
pxls[top] = pxls[bottom];
pxls[bottom] = tmp;
}
}
}
}
void sortUp(color[] pxls) {
// do something with the pixels (remix them)
for(int x = 0; x < width; x++) {
for(int y = 0; y < height -1 ; y++) {
// get indices for left and right pixel
int top = y * img.width + x;
int bottom = (y+1) * img.width + x;
// bubble sort step ( exchange pixels according to saturation ... )
int posx = mouseX - width / 2;
if(green(pxls[top]) - green(pxls[bottom]) < posx) {
// exchange color values of those pixels
color tmp= pxls[top];
pxls[top] = pxls[bottom];
pxls[bottom] = tmp;
}
}
}
}
void keyPressed() {
switch(key) {
case ' ':
reset();
break;
case 's':
save("sorted-" + id +".jpg");
id++;
break;
case '1':
sortMode = 1;
break;
case '2':
sortMode = 2;
break;
case '3':
sortMode = 3;
break;
}
}