made new snake and index and liberary improvements

sketches/imageNoice.js

@@ -1,13 +1,24 @@
-function preload() {
-	img1 = loadImage('assets/wallpaper/Space-Nebula.png');
-}
-
-function setup() {
+async function setup() {
+	img1 = await new Promise(resolve => loadImage('assets/wallpaper/lagrugru.jpg', resolve));
 	createCanvas(img1.width, img1.height);
 	background(255, 255, 55)
+	// performance enhancmend (from LLM)
+	img1.loadPixels();
+	for (let y = 0; y < img1.height; y++) {
+		for (let x = 0; x < img1.width; x++) {
+			let idx = (x + y * img1.width) * 4;
+			let r = img1.pixels[idx];
+			let g = img1.pixels[idx+1];
+			let b = img1.pixels[idx+2];
+			let sum = r + g + b;
+			let threshold = random(0, 255) * 3;
+			set(x, y, sum < threshold ? color(0) : color(255));
+		}
+	}
+	updatePixels();
 
-	//image(img1, 0, 0);
-
+	//original code (works to but somettimes not good for bigger images)
+/*
 	for (let col = 0; col < img1.width; col += 1) {
 		for (let row = 0; row < img1.height; row += 1) {
 			let c = img1.get(col, row);
@@ -26,6 +37,8 @@ function setup() {
 			point(col, row);
 		}
 	}
+	console.log('finished');
+*/
 }