42 lines
800 B
JavaScript
42 lines
800 B
JavaScript
import {System} from '@/ecs/index.js';
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import {TAU} from '@/util/math.js';
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export default class ControlDirection extends System {
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predict(entity) {
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this.tickSingle(entity);
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}
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tick() {
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for (const entity of this.ecs.changed(['Controlled'])) {
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this.tickSingle(entity);
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}
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}
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tickSingle(entity) {
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const {Controlled, Direction} = entity;
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if (!Controlled || !Direction) {
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return;
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}
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const {locked, moveUp, moveRight, moveDown, moveLeft} = Controlled;
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if (locked) {
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return;
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}
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if (
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0 === moveRight
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&& 0 === moveDown
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&& 0 === moveLeft
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&& 0 === moveUp
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) {
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return;
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}
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Direction.direction = (
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TAU + Math.atan2(
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moveDown - moveUp,
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moveRight - moveLeft,
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)
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) % TAU;
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}
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}
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