jumpstorm/client/lib/systems/WallBounds.ts
2023-07-19 20:38:24 -07:00

36 lines
968 B
TypeScript

import { System, SystemNames } from ".";
import { BoundingBox, ComponentNames } from "../components";
import type { Entity } from "../entities";
export class WallBounds extends System {
private screenWidth: number;
constructor(screenWidth: number) {
super(SystemNames.WallBounds);
this.screenWidth = screenWidth;
}
public update(
_dt: number,
entityMap: Map<number, Entity>,
componentEntities: Map<string, Set<number>>
) {
componentEntities.get(ComponentNames.WallBounded)?.forEach((entityId) => {
const entity = entityMap.get(entityId);
if (!entity.hasComponent(ComponentNames.BoundingBox)) {
return;
}
const boundingBox = entity.getComponent<BoundingBox>(
ComponentNames.BoundingBox
);
boundingBox.center.x = Math.min(
this.screenWidth - boundingBox.dimension.width / 2,
Math.max(boundingBox.dimension.width / 2, boundingBox.center.x)
);
});
}
}