Create emoji_wave.js

src/programs/contributed/emoji_wave.js

@@ -0,0 +1,32 @@
+/**
+[header]
+@author ilithya
+@title  Emoji Wave
+@desc   From wingdings icons to unicode emojis
+		Inspired by emojis evolution
+*/
+
+export const settings = {
+	color : 'white',
+	backgroundColor : 'rgb(100, 0, 300)'
+}
+
+const {sin, cos, floor} = Math
+const density = '☆ ☺︎ 👀 🌈 🌮🌮 🌈 👀 ☺︎ ☆'
+
+export function main(coord, context) {
+	const t = context.time * 0.0008
+
+	const x = coord.x
+	const y = coord.y
+
+	const c = context.cols
+	const posCenter = floor((c - density.length) * 0.5)
+
+	const wave = sin(y * cos(t)) * 5
+
+	const i = floor(x + wave) - posCenter
+
+	// Note: “undefined” is rendered as a space…
+	return density[i]
+}