jumpstorm/engine/systems/WallBounds.ts

30 lines
816 B
TypeScript

import { System, SystemNames } from ".";
import { BoundingBox, ComponentNames } from "../components";
import { Game } from "../Game";
import type { Entity } from "../entities";
import { clamp } from "../utils";
export class WallBounds extends System {
private screenWidth: number;
constructor(screenWidth: number) {
super(SystemNames.WallBounds);
this.screenWidth = screenWidth;
}
public update(_dt: number, game: Game) {
game.forEachEntityWithComponent(ComponentNames.WallBounded, (entity) => {
const boundingBox = entity.getComponent<BoundingBox>(
ComponentNames.BoundingBox,
);
boundingBox.center.x = clamp(
boundingBox.center.x,
boundingBox.dimension.width / 2,
this.screenWidth - boundingBox.dimension.width / 2,
);
});
}
}