topical media & game development
graphic-processing-learning-15-example-15-14-example-15-14.pde / pde
// Learning Processing
// Daniel Shiffman
// http://www.learningprocessing.com
// Example 15-14: "Pointillism"
PImage img;
int pointillize = 16;
void setup() {
size(200,200);
img = loadImage("sunflower.jpg");
background(255);
smooth();
}
void draw() {
// Pick a random point
int x = int(random(img.width));
int y = int(random(img.height));
int loc = x + y*img.width;
// Look up the RGB color in the source image
loadPixels();
float r = red(img.pixels[loc]);
float g = green(img.pixels[loc]);
float b = blue(img.pixels[loc]);
noStroke();
// Draw an ellipse at that location with that color
fill(r,g,b,100);
// Back to shapes! Instead of setting a pixel, we use the color from a pixel to draw a circle.
ellipse(x,y,pointillize,pointillize);
}
(C) Æliens
20/2/2008
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