Greasy Fork

// ==UserScript==
// @name Gradient health
// @namespace -
// @match https://sploop.io/
// @grant none
// @version 1.0
// @license mit
// @author Urban Dubov
// @description 5/11/2023, 10:58:22 PM
// ==/UserScript==

const { fillRect } = CanvasRenderingContext2D.prototype;
const firstColor = "#00ff87";
const secondColor = "#60efff";

CanvasRenderingContext2D.prototype.fillRect = function (x, y, width, height) {
if (this.fillStyle === "#a4cc4f") {
const gradient = this.createLinearGradient(x, y, x + width, y + height);
gradient.addColorStop(0, firstColor);
gradient.addColorStop(1, secondColor);
this.fillStyle = gradient;
fillRect.call(this, x, y, width, height);
} else {
fillRect.call(this, x, y, width, height);
}
};