add basic missiles

server/game/room/world/asteroid.js

@@ -8,9 +8,10 @@ class Asteroid extends Body {
 
 		this.x = pos.x;
 		this.y = pos.y;
-		this.type = 'asteroid';
 
 		this.size = size;
+
+		this.type = 'asteroid';
 		this.frame = this.randomFrame();
 	}
 

server/game/room/world/body.js

@@ -37,6 +37,11 @@ class Body {
 		if(pos.x > bounds.right) this.applyForce(-0.03, 0);
 		if(pos.y < bounds.top) this.applyForce(0, 0.03);
 		if(pos.y > bounds.bottom) this.applyForce(-0, -0.03);
+
+		this.tickType();
+	}
+
+	tickType() {
 	}
 
 	packDelta() {
@@ -50,11 +55,24 @@ class Body {
 	}
 
 	packTypeDelta() {
-		throw new Error('Attempt to pack raw body.');
 	}
 
 	packFull() {
-		throw new Error('Attempt to pack raw body.');
+	}
+
+	get center() {
+		return {
+			x: this.b2body.GetWorldCenter().x,
+			y: this.b2body.GetWorldCenter().y
+		};
+	}
+
+	get pos() {
+		return {
+			x: this.b2body.GetPosition().x,
+			y: this.b2body.GetPosition().y,
+			r: this.b2body.GetAngleRadians()
+		};
 	}
 }
 

server/game/room/world/index.js

@@ -1,15 +1,17 @@
 'use strict';
 
-const Asteroid = require('./asteroid.js');
 const Physics = require('./physics.js');
 const Ship = require('./ship.js');
+const Spawner = require('./spawner.js');
 
 class World {
 	constructor(room) {
 		this.physics = new Physics();
+		this.spawner = new Spawner(this);
 		this.bodies = new Set();
 		this.structures = new Set();
 		this.asteroids = new Set();
+		this.missiles = new Set();
 		this.ships = new Map();
 		this.players = new Set();
 		this.room = room;
@@ -48,6 +50,11 @@ class World {
 		this.addBody(asteroid);
 	}
 
+	addMissile(missile) {
+		this.missiles.add(missile);
+		this.addBody(missile);
+	}
+
 	addBody(body) {
 		this.bodies.add(body);
 		this.physics.createBody(body);
@@ -64,8 +71,7 @@ class World {
 				x: Math.random() * 2000 - 200,
 				y: Math.random() * 500 - 250
 			};
-			let asteroid = new Asteroid(this, pos, Math.random() * 50 + 10);
-			this.addAsteroid(asteroid);
+			this.spawner.spawnAsteroid(pos.x, pos.y,Math.random() * 50 + 10);
 		}
 	}
 
@@ -76,11 +82,12 @@ class World {
 	}
 
 	removeBody(body) {
-		this.physics.toRemove.push(body);
+		this.physics.remove(body);
 		this.bodies.delete(body);
 		this.ships.delete(body);
 		this.structures.delete(body);
 		this.asteroids.delete(body);
+		this.missiles.delete(body);
 		this.room.broadcast('destroy', body.id);
 	}
 
@@ -95,23 +102,23 @@ class World {
 	tick(self) {
 		self.physics.step();
 
-		self.ships.forEach(body => {
-			body.applyDelta(),
-			body.tick();
-		});
-
-		if (this.tickCount % 1 == 0) {
-			self.asteroids.forEach(body => {
-				body.applyDelta(),
+		let tickBodies = (set, interval) => {
+			set.forEach(body => {
+				if (this.tickCount % interval == 0)
+					body.applyDelta();
 				body.tick();
 			});
+		};
 
-			if (Date.now() - this.tpsStart > 5000) {
-				this.tps = this.tpsCount / 5 | 0;
-				this.tpsCount = 0;
-				this.tpsStart = Date.now();
-				//console.log('TPS: ' + this.tps);
-			}
+		tickBodies(self.ships, 1);
+		tickBodies(self.asteroids, 4);
+		tickBodies(self.missiles, 1);
+
+		if (Date.now() - this.tpsStart > 5000) {
+			this.tps = this.tpsCount / 5 | 0;
+			this.tpsCount = 0;
+			this.tpsStart = Date.now();
+			//console.log('TPS: ' + this.tps);
 		}
 
 		this.tpsCount++;

server/game/room/world/missile.js

@@ -1,15 +1,21 @@
 'use strict';
 
-const Body = require('./bodies.js');
+const Body = require('./body.js');
 
 class Missile extends Body {
-	constructor(world, source) {
+	constructor(world, pos, source) {
 		super(world);
 
+		this.x = pos.x * 32;
+		this.y = pos.y * 32;
+		this.r = pos.r;
+
 		this.source = source;
 		this.player = source.player;
+		this.fuel = 100;
 
-		this.frame = [[[0, 0], [0, 10], [3, 10], [3, 0]]];
+		this.type = 'missile';
+		this.frame = [[[0, 0], [10, 0], [10, 3], [0, 3]]];
 	}
 
 	detonate() {
@@ -17,6 +23,16 @@ class Missile extends Body {
 		this.world.removeBody(this);
 	}
 
+	tickType() {
+		let power = 0.005;
+		let x = Math.cos(this.b2body.GetAngleRadians()) * power;
+		let y = Math.sin(this.b2body.GetAngleRadians()) * power;
+		this.applyForce(x, y);
+		
+		if(this.fuel-- <= 0)
+			this.detonate();
+	}
+
 	packTypeDelta() {
 		return [];
 	}
@@ -26,11 +42,10 @@ class Missile extends Body {
 			type: 'missile',
 			id: this.id,
 			source: this.source.id,
-			team: this.player.team,
 			frame: this.frame,
 			delta: this.packDelta()
 		};
 	}
 }
 
-module.exports = Projectile;
+module.exports = Missile;

server/game/room/world/physics.js

@@ -37,12 +37,14 @@ class Physics {
 		let bodyDef = new Box2D.b2BodyDef();
 		bodyDef.userData = body;
 		bodyDef.position = new b2Vec2(body.x / s || 0, body.y / s || 0);
+		bodyDef.angle = body.r || 0;
 		bodyDef.fixedRotation = false;
 		bodyDef.active = true;
 		bodyDef.linearVelocity = new b2Vec2(body.xvel / s || 0, body.yvel / s || 0);
 		bodyDef.angularVelocity = body.rvel || 0;
-		bodyDef.linearDamping = body.type == 'ship' ? 0.01 : 0.003;
-		bodyDef.angularDamping = body.type == 'ship' ? 0.01 : 0.003;
+		bodyDef.bullet = body.type == 'missile';
+		bodyDef.linearDamping = body.type == 'asteroid' ? 0.003 : 0.01;
+		bodyDef.angularDamping = body.type == 'asteroid' ? 0.003 : 0.01;
 		bodyDef.type = body.type == 'structure' ?
 			Box2D.b2BodyType.b2_staticBody : Box2D.b2BodyType.b2_dynamicBody;
 		if (body.player || true) bodyDef.allowSleep = false;
@@ -64,6 +66,10 @@ class Physics {
 		//if (body.type == 'ship') console.log(b2body.GetLocalCenter());
 	}
 
+	remove(body) {
+		this.toRemove.push(body);
+	}
+
 	step() {
 		this.world.Step(1, 5, 1 / 60);
 		for (var i = 0; i < this.toRemove.length; i++) {

server/game/room/world/ship.js

@@ -19,6 +19,7 @@ class Ship extends Body {
 		this.size = traits.size;
 		this.player = player;
 		this.type = 'ship';
+		this.inputs = {};
 
 		this.thrust = {
 			forward: 0,
@@ -27,35 +28,40 @@ class Ship extends Body {
 		}
 	}
 
-	move(data) {
-		let b = this.b2body;
+	updateInputs(data) {
+		this.inputs = {
+			forward: data[0],
+			left: data[1],
+			right: data[2],
+			missile: data[3]
+		};
 
-		//console.log(b.GetLocalCenter());
+		this.thrust.forward = this.inputs.forward;
+		this.thrust.left = this.inputs.left;
+		this.thrust.right = this.inputs.right;
 
-		for(var i in b) {
-			//if(typeof b[i] == 'function') console.log(i);
-		}
+		if (this.inputs.missile) this.launchMissile();
+	}
 
-		if (data.forward) {
+	launchMissile() {
+		this.world.spawner.spawnMissile(this);
+	}
+
+	tickType() {
+		if (this.thrust.forward) {
 			let power = this.power.forward;
 			let x = Math.cos(this.b2body.GetAngleRadians()) * power;
 			let y = Math.sin(this.b2body.GetAngleRadians()) * power;
 			this.applyForce(x, y);
 		}
 
-		if (data.left) {
+		if (this.thrust.left) {
 			this.applyTorque(-this.power.rotation);
 		}
 
-		if (data.right) {
+		if (this.thrust.right) {
 			this.applyTorque(this.power.rotation);
 		}
-
-		this.thrust = {
-			forward: data.forward,
-			left: data.left,
-			right: data.right
-		};
 	}
 
 	packTypeDelta() {

server/game/room/world/spawner.js

@@ -0,0 +1,34 @@
+'use strict';
+
+const Asteroid = require('./asteroid.js');
+const Missile = require('./missile.js');
+
+class Spawner {
+	constructor(world) {
+		this.world = world;
+	}
+
+	spawnAsteroid(x, y, size) {
+		let pos = {
+			x: x,
+			y: y
+		};
+		let asteroid = new Asteroid(this.world, pos, size);
+		this.world.addAsteroid(asteroid);
+	}
+
+	spawnMissile(ship) {
+		let r = ship.pos.r;
+		let ox = Math.cos(r) * 0.7;
+		let oy = Math.sin(r) * 0.7;
+		let pos = {
+			x: ship.center.x + ox,
+			y: ship.center.y + oy,
+			r: r
+		};
+		let missile = new Missile(this.world, pos, ship);
+		this.world.addMissile(missile);
+	}
+}
+
+module.exports = Spawner;