creative-coding/3/sketch.js
2025-04-16 10:53:26 +02:00

121 lines
3.3 KiB
JavaScript

const filterSketch = function (p) {
let img;
p.setup = function () {
const sketch = p.createCanvas(p.windowWidth / 4, p.windowHeight / 4);
sketch.parent("filterSketch");
};
p.preload = function () {
img = p.loadImage("assets/image.png");
p.pixelDensity(1);
};
p.draw = function () {
img.loadPixels();
p.image(img, 0, 0, p.windowHeight / 4, p.windowHeight / 4);
for (let px = 0; px < img.pixels.length; px += 4) {
img.pixels[px] += 50;
}
img.updatePixels();
};
};
const sortSketch = function (p) {
let img;
p.setup = function () {
const sortSketch = p.createCanvas(p.windowWidth / 4, p.windowHeight / 4);
sortSketch.parent("sortSketch");
};
p.preload = function () {
img = p.loadImage("assets/image2.jpg");
p.pixelDensity(1);
};
p.draw = function () {
img.loadPixels();
p.image(img, 0, 0, 1920, 1080);
let pixelArray = [];
for (let px = 0; px < img.pixels.length; px += 4) {
pixelArray.push([
img.pixels[px],
img.pixels[px + 1],
img.pixels[px + 2],
img.pixels[px + 3],
]);
}
pixelArray.sort((a, b) => a[0] - b[0]);
for (let px = 0; px < img.pixels.length; px += 4) {
img.pixels[px] = (pixelArray[px / 4][0] * 9 + img.pixels[px]) / 10;
img.pixels[px + 1] =
(pixelArray[px / 4][1] * 9 + img.pixels[px + 1]) / 10;
img.pixels[px + 2] =
(pixelArray[px / 4][2] * 9 + img.pixels[px + 2]) / 10;
img.pixels[px + 3] =
(pixelArray[px / 4][3] * 9 + img.pixels[px + 3]) / 10;
}
console.log(img.pixels);
img.updatePixels();
img.filter(p.BLUR, 100);
p.image(img, 0, 0, 1920, 1080);
p.noLoop();
};
};
const resizeSketch = function (p) {
let img;
p.setup = function () {
const sketch = p.createCanvas(p.windowWidth / 4, p.windowHeight / 4);
sketch.parent("resizeSketch");
};
p.preload = function () {
img = p.loadImage("assets/image.png");
p.pixelDensity(1);
};
p.draw = function () {
p.background(255);
p.image(img, 0, 0, p.mouseX / 8, p.mouseX / 8);
};
};
const evenOddPixelSketch = function (p) {
let img;
let img2;
let finImg;
p.setup = function () {
const sketch = p.createCanvas(p.windowWidth / 2, p.windowHeight / 2);
sketch.parent("evenOddPixelSketch");
};
p.preload = function () {
img = p.loadImage("assets/image3.jpg");
img2 = p.loadImage("assets/image4.jpg");
finImg = p.createImage(3840, 2160);
p.pixelDensity(1);
};
p.draw = function () {
img.loadPixels();
img2.loadPixels();
finImg.loadPixels();
for (let i = 0; i < img.pixels.length; i += 4) {
if (i % 8 == 0) {
finImg.pixels[i] = img.pixels[i];
finImg.pixels[i + 1] = img.pixels[i + 1];
finImg.pixels[i + 2] = img.pixels[i + 2];
finImg.pixels[i + 3] = img.pixels[i + 3];
} else {
finImg.pixels[i] = img2.pixels[i];
finImg.pixels[i + 1] = img2.pixels[i + 1];
finImg.pixels[i + 2] = img2.pixels[i + 2];
finImg.pixels[i + 3] = img2.pixels[i + 3];
}
}
finImg.updatePixels();
p.image(finImg, 0, 0, p.windowWidth / 2, p.windowHeight / 2);
noLoop();
};
};
p5Filter = new p5(filterSketch);
p5Filter = new p5(sortSketch);
p5Filter = new p5(resizeSketch);
p5Filter = new p5(evenOddPixelSketch);