diff --git a/src/main.ts b/src/main.ts
index be216d3..739d854 100755
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,8 +1,6 @@
 #!/usr/bin/env -S deno run -A
 
 import { writeAll } from "https://deno.land/std@0.224.0/io/mod.ts"
-
-import { Crayon, crayon } from "https://deno.land/x/crayon@3.3.3/mod.ts"
 import { mkSimplexNoise, SimplexNoise } from "npm:@spissvinkel/simplex-noise@1.0.1"
 
 async function main() {
@@ -10,7 +8,7 @@ async function main() {
 	const fishes = await Fishes.load("./assets/fishes")
 	for await (const moved of fishes.movements()) {
 		console.log(moved.name, "at", moved.position)
-		const displayed = esc_clear() + fishes.fishes.map((f) => f.display()).join("") + "\n"
+		const displayed = esc_clear() + fishes.fishes.map(display).join("") + "\n"
 		connections.send(displayed)
 	}
 }
@@ -93,86 +91,29 @@ class Fish {
 		if (this.position[0] > bounds[1][0]) this.position[0] = bounds[1][0]
 		if (this.position[1] > bounds[1][1]) this.position[1] = bounds[1][1]
 	}
-
-	/**
-	 * ```
-	 *       _ <name>
-	 *      /
-	 * #####
-	 * #####
-	 * #####
-	 * ```
-	 */
-	public display() {
-		const tick_pad = " ".repeat(this.size[0])
-		// TODO : add position and color
-		return [
-			tick_pad + " _ " + this.name,
-			tick_pad + "/",
-			...this.shape,
-		]
-			.map((l, i) => esc_goto([this.position[0], this.position[1] + i]) + l)
-			.join("") + "\n"
-	}
 }
 
-class Vec2 {
-	public constructor(
-		public x: number,
-		public y: number,
-	) {}
-
-	static of(ord: number) {
-		return new Vec2(ord, ord)
-	}
-
-	add(rhs: Vec2) {
-		return new Vec2(
-			this.x + rhs.x,
-			this.y + rhs.y,
-		)
-	}
-
-	sub(rhs: Vec2) {
-		return new Vec2(
-			this.x - rhs.x,
-			this.y - rhs.y,
-		)
-	}
-
-	mul(rhs: Vec2) {
-		return new Vec2(
-			this.x * rhs.x,
-			this.y * rhs.y,
-		)
-	}
-
-	div(rhs: Vec2) {
-		return new Vec2(
-			this.x / rhs.x,
-			this.y / rhs.y,
-		)
-	}
-
-	fac(rhs: number) {
-		return new Vec2(
-			this.x * rhs,
-			this.y * rhs,
-		)
-	}
-}
-
-class Sprite {
-	public constructor(
-		public size: Vec2,
-		public parts: [Vec2, Crayon, string][],
-	) {}
-
-	public static from(lines: string[]) {
-		const size = new Vec2(lines.map((l) => l.length).reduce((a, b) => Math.max(a, b)), lines.length)
-		const result = new Sprite(size, [])
-		return result
-	}
+/**
+ * ```
+ *       _ <name>
+ *      /
+ * #####
+ * #####
+ * #####
+ * ```
+ *
+ * @param fish Fish to display.
+ */
+function display(fish: Fish) {
+	const tick_pad = " ".repeat(fish.size[0])
+	// TODO : add position and color
+	return [
+		tick_pad + " _ " + fish.name,
+		tick_pad + "/",
+		...fish.shape,
+	]
+		.map((l, i) => esc_goto([fish.position[0], fish.position[1] + i]) + l)
+		.join("") + "\n"
 }
 
 function pick<T>(arr: T[], random = Math.random) {