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Add collectable items

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asraelite 2018-03-05 23:53:32 +00:00
parent 826986cdbf
commit 69fee5e73d
10 changed files with 131 additions and 52 deletions
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87
js/world/entity.mjs
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@ -1,64 +1,59 @@
import Body from './body.mjs';
import {modules} from '../data.mjs';
import {celestials, particles} from './index.mjs';
import {playerShip} from './index.mjs';
import {images as assets} from '../assets.mjs';
import {celestials, particles, entities} from './index.mjs';
import * as particle from './particle.mjs';
import * as consts from '../consts.mjs';
import * as events from '../game/events.mjs';
export function createThrustExhaust(thruster) {
let ship = thruster.ship;
let [fx, fy] = ship.relativeVector(0, 0.2);
let [dx, dy] = ship.relativeVector((Math.random() - 0.5) * 0.5, 0.5);
let [cx, cy] = thruster.com;
particles.add(new Particle(cx + dx, cy + dy, {
xvel: ship.xvel + fx,
yvel: ship.yvel + fy,
color: '#f4c542',
lifetime: 5,
size: 0.07
}));
}
class Particle extends Body {
constructor(x, y, {
export default class Entity extends Body {
constructor(x, y, type = 'fuel', id = 'small', {
xvel = 0,
yvel = 0,
spray = 0.1,
fizzle = 0,
maxFizzle = fizzle * 2,
color = '#fff',
gravity = false,
lifetime = 50,
size = 0.1,
friction = 0.99
}) {
super(x, y, 0.1);
gravity = false
} = {}) {
super(x, y, 100);
this.size = size;
this.xvel = xvel + (Math.random() - 0.5) * spray;
this.yvel = yvel + (Math.random() - 0.5) * spray;
this.friction = friction;
this.fizzle = fizzle;
this.maxFizzle = maxFizzle;
this.color = color;
this.xvel = xvel;
this.yvel = yvel;
this.width = 1;
this.height = 1;
this.radius = (this.width + this.height) / 2;
this.type = type;
this.id = id;
this.image = assets.modules[type][id];
this.gravity = gravity;
this.life = lifetime;
this.touched = false;
}
get com() {
return [this.x - this.size / 2, this.y - this.size / 2];
return [this.x + this.width / 2, this.y + this.height / 2];
}
orbit(celestial, radius) {
this.gravity = true;
}
remove() {
entities.delete(this);
}
tick() {
if (!this.life--) {
particles.delete(this);
return;
}
this.r += consts.ENTITY_ROTATION_RATE;
this.tickMotion();
if (this.gravity) this.tickGravity(celestials);
let col = this.getCelestialCollision(celestials);
this.xvel *= this.friction;
this.yvel *= this.friction;
this.x += (Math.random() - 0.5) * this.fizzle;
this.y += (Math.random() - 0.5) * this.fizzle;
if (this.fizzle < this.mazFizzle) this.fizzle *= 1.05;
if (col !== false) {
this.remove();
}
if (playerShip.colliding(this.com, this.radius)) {
let success = events.collectItem(this.type, this.id);
if (!success) return;
particle.createPickupBurst(playerShip, this.com);
this.remove();
}
}
}