Create Image
The createImage() function provides a fresh buffer of pixels to play with. This example creates an image gradient.
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let img; // Declare variable 'img'.
function setup() {
createCanvas(720, 400);
img = createImage(230, 230);
img.loadPixels();
for (let x = 0; x < img.width; x++) {
for (let y = 0; y < img.height; y++) {
let a = map(y, 0, img.height, 255, 0);
img.set(x, y, [0, 153, 204, a]);
}
}
img.updatePixels();
}
function draw() {
background(0);
image(img, 90, 80);
image(img, mouseX - img.width / 2, mouseY - img.height / 2);
}
