Why?What?LoopsTemplateThe CursorShapesColoursVariables / Numbers / TimeConditions11/3 MoiréTransformArcs / Beziers / CurvesImage BasicsImage Slicing11/10 GlitchCameraAudioTypography17/11 TypographyRecap24/11 SketchingSave Images and Image Sequences12/08 PatternsNoiseLines and Curves01/12 Exporting High Res Images01/19 Exporting Video Frames
Image Pixels
imageURL = FileAttachment("hut@2.jpg").url()
p5((s) => {
let image;
s.preload = function () {
image = s.loadImage(imageURL);
};
s.setup = function () {
let ratio = width / image.width;
s.createCanvas(width, image.height * ratio);
image.resize(width, image.height * ratio)
};
s.draw = function () {
let green = s.color(0,255,0);
let pink = s.color(255,127,127);
image.loadPixels();
// https://p5js.org/reference/#/p5/set
image.set(s.mouseX, s.mouseY, pink);
image.updatePixels();
s.image(image, 0, 0);
};
})
p5((s) => {
let image;
s.preload = function () {
image = s.loadImage(imageURL);
};
s.setup = function () {
let ratio = width / image.width;
s.createCanvas(width, image.height * ratio);
image.resize(width, image.height * ratio);
s.frameRate(1);
};
s.draw = function () {
image.loadPixels();
for (let index = 0; index < image.pixels.length; index += 4) {
// each pixel has four values: red, green, blue, alpha
let r = image.pixels[index + 0]
let g = image.pixels[index + 1]
let b = image.pixels[index + 2]
let a = image.pixels[index + 3]
image.pixels[index + 0] = g
image.pixels[index + 1] = b
image.pixels[index + 2] = r
}
image.updatePixels();
s.image(image, 0, 0);
};
})
p5((s) => {
let image;
s.preload = function () {
image = s.loadImage(imageURL);
};
s.setup = function () {
let ratio = width / image.width;
s.createCanvas(width, image.height * ratio);
image.resize(width, image.height * ratio);
s.noLoop();
};
s.draw = function () {
image.loadPixels();
for (let index = 0; index < image.pixels.length; index += 4) { // each pixel has four values: red, green, blue, alpha
let r = image.pixels[index + 0]
let g = image.pixels[index + 1]
let b = image.pixels[index + 2]
let a = image.pixels[index + 3]
image.pixels[index + 0] = r * 2
image.pixels[index + 1] = g * 0.5
image.pixels[index + 2] = b * 0.25
}
image.updatePixels();
s.image(image, 0, 0);
};
})
p5((s) => {
let image;
s.preload = function () {
image = s.loadImage(imageURL);
};
s.setup = function () {
let ratio = width / image.width;
s.createCanvas(width, image.height * ratio);
image.resize(width, image.height * ratio);
s.noLoop();
};
s.draw = function () {
image.loadPixels();
for (let index = 0; index < image.pixels.length; index += 4) { // each pixel has four values: red, green, blue, alpha
image.pixels[index + 0] *= s.random(0.5, 1.5)
image.pixels[index + 1] *= s.random(0.5, 1.5)
image.pixels[index + 2] *= s.random(0.5, 1.5)
}
image.updatePixels();
s.image(image, 0, 0);
};
})
p5((s) => {
let image;
s.preload = function () {
image = s.loadImage(imageURL);
};
s.setup = function () {
let ratio = width / image.width;
s.createCanvas(width, image.height * ratio);
image.resize(width, image.height * ratio);
s.noLoop();
};
s.draw = function () {
image.loadPixels();
for (let index = 0; index < image.pixels.length; index += 4) { // each pixel has four values: red, green, blue, alpha
let noise = s.random(0.5, 1.5)
image.pixels[index + 0] *= noise
image.pixels[index + 1] *= noise
image.pixels[index + 2] *= noise
}
image.updatePixels();
s.image(image, 0, 0);
};
})
p5((s) => {
let image;
s.preload = function () {
image = s.loadImage(imageURL);
};
s.setup = function () {
let ratio = width / image.width;
s.createCanvas(width, image.height * ratio);
image.resize(width, image.height * ratio);
s.noLoop();
};
s.draw = function () {
image.loadPixels();
for (let index = 0; index < image.pixels.length; index += 4) { // each pixel has four values: red, green, blue, alpha
let r = image.pixels[index + 0]
let g = image.pixels[index + 1]
let b = image.pixels[index + 2]
let a = image.pixels[index + 3]
if (r > 180) {
image.pixels[index + 0] = 255
image.pixels[index + 1] = 0
image.pixels[index + 2] = 0
}
if (b < 50) {
image.pixels[index + 0] = 0
image.pixels[index + 1] = 0
image.pixels[index + 2] = 255
}
}
image.updatePixels();
s.image(image, 0, 0);
};
})
p5((s) => {
let image;
s.preload = function () {
image = s.loadImage(imageURL);
};
s.setup = function () {
let ratio = width / image.width;
s.createCanvas(width, image.height * ratio);
image.resize(width, image.height * ratio);
s.noLoop();
};
s.draw = function () {
image.loadPixels();
for (let index = 0; index < image.pixels.length; index += 4) { // each pixel has four values: red, green, blue, alpha
image.pixels[index + 3] = (index / 8) % 100
}
image.updatePixels();
s.image(image, 0, 0);
};
})
p5((s) => {
let image;
s.preload = function () {
image = s.loadImage(imageURL);
};
s.setup = function () {
let ratio = width / image.width;
s.createCanvas(width, image.height * ratio);
image.resize(width, image.height * ratio);
s.noLoop();
};
s.draw = function () {
image.loadPixels();
for (let index = 0; index < image.pixels.length; index += 4) { // each pixel has four values: red, green, blue, alpha
if (index > 74780 && index < 213310) {
image.pixels[index + 0] = 255
}
if (index > 183310 && index < 393310) {
image.pixels[index + 1] = 255
}
}
image.updatePixels();
s.image(image, 0, 0);
};
})
p5((s) => {
let image;
s.preload = function () {
image = s.loadImage(imageURL);
};
s.setup = function () {
let ratio = width / image.width;
s.createCanvas(width, image.height * ratio);
image.resize(width, image.height * ratio);
s.noLoop();
};
s.draw = function () {
image.loadPixels();
for (let x = 100; x < 200; x = x+1) {
for (let y = 100; y < image.height - 100; y++) {
image.set(x, y, s.color(0,255,0));
}
}
for (let x = 300; x < 400; x++) {
for (let y = 100; y < image.height - 100; y++) {
let color = image.get(x, y);
let newColor = s.color(s.red(color), s.green(color), 255)
image.set(x, y, newColor);
}
}
for (let x = 500; x < 600; x++) {
for (let y = 100; y < image.height - 100; y++) {
let color = image.get(x, y);
let newColor = s.color(s.blue(color), s.red(color), s.green(color))
image.set(x, y, newColor);
}
}
s.colorMode(s.HSL)
for (let x = 700; x < 800; x++) {
for (let y = 100; y < image.height - 100; y++) {
let color = image.get(x, y);
let newColor = s.color(s.hue(color), s.saturation(color), 50)
image.set(x, y, newColor);
}
}
image.updatePixels();
s.image(image, 0, 0);
};
})
p5((s) => {
let image;
s.preload = function () {
image = s.loadImage(imageURL);
};
s.setup = function () {
let ratio = width / image.width;
s.createCanvas(width, image.height * ratio);
image.resize(width, image.height * ratio);
};
s.draw = function () {
image.loadPixels();
for (let index = 0; index < 500; index++) {
let x1 = s.random(0, image.width)
let y1 = s.random(0, image.height)
let color = image.get(x1, y1)
let x2 = s.random(0, image.width)
let y2 = s.random(0, image.height)
image.set(x2, y2, color)
}
image.updatePixels();
s.image(image, 0, 0);
};
})
p5((s) => {
let image;
let height;
s.preload = function () {
image = s.loadImage(imageURL);
};
s.setup = function () {
let ratio = width / image.width
height = image.height * ratio;
s.createCanvas(width, height);
image.resize(width, height)
// image.resize(width, image.height * ratio);
s.noSmooth();
};
s.draw = function () {
image.loadPixels();
for (let index = 0; index < 10000; index++) {
let x = s.random(0, image.width)
let y = s.random(0, image.height - 1)
let color1 = image.get(x, y)
let color2 = image.get(x, y + 1)
let brightness1 = s.brightness(color1)
let brightness2 = s.brightness(color2)
if (brightness1 > brightness2) {
image.set(x, y, color2)
image.set(x, y + 1, color1)
}
}
image.updatePixels();
s.image(image, 0, 0, width, height);
};
})
p5((s) => {
let image
s.setup = function () {
s.createCanvas(width, height)
image = s.createImage(width, height);
s.noLoop();
}
s.draw = function () {
image.loadPixels();
for (let x = 0; x < image.width; x += 1) {
for (let y = 0; y < image.height; y += 1) {
let color = s.color(s.random(0,255), s.random(0,255), s.random(0,255));
image.set(x, y, color);
}
}
image.updatePixels();
s.image(image, 17, 17);
}
})
p5((s) => {
let image
s.setup = function () {
s.createCanvas(width, height)
image = s.createImage(width, height);
s.noLoop();
}
s.draw = function () {
s.colorMode(s.HSL);
image.loadPixels();
for (let x = 0; x < image.width; x += 1) {
let hue = s.map(x, 0, image.width, 0, 360);
for (let y = 0; y < image.height; y += 1) {
let lightness = s.map(y, 0, image.height, 0, 100);
let color = s.color(hue, 100, lightness);
image.set(x, y, color);
}
}
image.updatePixels();
s.image(image, 17, 17);
}
})
height = 300
import {p5} from "@thometnanni/p5"
One platform to build and deploy the best data apps
Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.