improcket/js/world/entity.mjs
2018-03-07 11:17:09 +00:00

68 lines
1.7 KiB
JavaScript

import Body from './body.mjs';
import {modules} from '../data.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 default class Entity extends Body {
constructor(x, y, type = 'fuel', id = 'small', {
xvel = 0,
yvel = 0,
gravity = false
} = {}) {
super(x, y, 0.1);
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;
if (this.type === 'fuelcan') {
this.image = assets.modules.fuelcan;
this.name = 'Fuel Can';
} else {
this.image = assets.modules[type][id];
this.name = modules[type][id].name;
if (this.type === 'thruster')
this.image = this.image.off;
}
this.gravity = gravity;
this.touched = false;
}
get com() {
return [this.x + this.width / 2, this.y + this.height / 2];
}
remove() {
entities.delete(this);
}
tick() {
if (Math.abs(playerShip.x - this.x) > 500 ||
Math.abs(playerShip.y - this.y) > 500) return;
this.r += consts.ENTITY_ROTATION_RATE;
this.tickMotion();
if (this.gravity) this.tickGravity(celestials);
let col = this.getCelestialCollision(celestials);
if (col !== false) {
this.remove();
}
if (playerShip.colliding(this.com, this.radius)) {
if (this.touched) return;
this.touched = true;
let success = events.collectItem(this.type, this.id, this.name);
if (!success) return;
particle.createPickupBurst(playerShip, this.com);
this.remove();
} else {
this.touched = false;
}
}
}