66 lines
1.2 KiB
JavaScript
66 lines
1.2 KiB
JavaScript
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import * as I from 'immutable';
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import {Trait} from '@avocado/entity';
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export class Damaging extends Trait {
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static defaultParams() {
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return {
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affinities: [],
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lock: 0.1,
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power: 0,
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variance: 0.2,
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};
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}
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initialize() {
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this._affinities = this.params.get('affinities').toJS();
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this._collidingWith = [];
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this._lock = this.params.get('lock');
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this._power = this.params.get('power');
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this._variance = this.params.get('variance');
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}
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get affinities() {
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return this._affinities;
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}
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get lock() {
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return this._lock;
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}
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get power() {
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return this._power;
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}
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get variance() {
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return this._variance;
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}
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listeners() {
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return {
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collisionEnd: (other) => {
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const index = this._collidingWith.indexOf(other);
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this._collidingWith.splice(index, 1);
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},
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collisionStart: (other) => {
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this._collidingWith.push(other);
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},
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};
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}
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tick(elapsed) {
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for (let i = 0; i < this._collidingWith.length; ++i) {
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const entity = this._collidingWith[i];
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if (entity.is('vulnerable')) {
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entity.takeDamageFrom(this.entity);
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}
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}
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}
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}
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