Add zooming

js/world/body.mjs

@@ -10,7 +10,7 @@ export default class Body {
 		this.rvel = 0;
 		this.mass = mass;
 	}
-	
+
 	tickGravity(bodies) {
 		bodies.forEach(b => {
 			let force = b.mass / this.mass / (distanceTo(b) ** 2) * G;

js/world/celestial.mjs

@@ -1,10 +1,29 @@
+import {images as assets} from '../assets.mjs';
 import Body from './body.mjs';
 
 export default class Celestial extends Body {
 	constructor(x, y, radius, {
 		density = 1,
-		mass = (radius ** 2) * density
+		type = 'rock'
 	}) {
+		let mass = (radius ** 2) * density
 		super(x, y, mass);
+		this.radius = radius;
+
+		this.type = type;
+		let imageArr = Object.values(assets.celestials[this.type]);
+		this.image = imageArr[Math.random() * imageArr.length | 0];
+	}
+
+	tick() {
+
+	}
+
+	get center() {
+		return [this.x + this.radius / 2, this.y + this.radius / 2];
+	}
+
+	get diameter() {
+		return this.radius * 2;
 	}
 }

js/world/index.mjs

@@ -17,6 +17,8 @@ export function init() {
 	entities.clear();
 	celestials.clear();
 	spawn.player();
+	spawn.startPlanet();
+
 }
 
 export function tick() {

js/world/module.mjs

@@ -3,6 +3,9 @@ export default class Module {
 		name = 'Unnamed Module',
 		type = 'block',
 		mass = 1,
+		// Fuel
+		filled = false,
+		fuelCapacity = 0,
 		...properties
 	}) {
 		this.x = x;
@@ -10,6 +13,7 @@ export default class Module {
 		this.name = name;
 		this.type = type;
 		this.mass = mass;
-
+		// Fuel
+		this.fuel = filled ? fuelCapacity : 0;
 	}
 }

js/world/spawn.mjs

@@ -1,6 +1,6 @@
 import Ship from './ship.mjs';
 import Module from './module.mjs';
-import Celestial from './ship.mjs';
+import Celestial from './celestial.mjs';
 import {modules} from '../data.mjs';
 import * as world from './index.mjs';
 
@@ -11,9 +11,18 @@ export function player() {
 	ship.addModule(0, 2, modules.thruster.light);
 	world.ships.add(ship);
 	world.setPlayerShip(ship);
+	return ship;
 }
 
-// Make module length = 1, define all other length off that.
-export function celestial() {
-	let celestial = new Celestial(0, 50, 45)
+export function startPlanet() {
+	return celestial(-40, 10, 40, {
+		density: 1,
+		type: 'green'
+	});
+}
+
+export function celestial(x, y, radius, params) {
+	let celestial = new Celestial(x, y, radius, params);
+	world.celestials.add(celestial);
+	return celestial;
 }