momentumengine/src/libs/collisionmethods.js
2015-12-21 16:36:31 +00:00

24 lines
623 B
JavaScript

import Rect from "../classes/rect.js";
import Vector2D from "../classes/vector2d.js";
class CollisionMethods {
static AABB (entity1, entity2) {
if (!entity1 instanceof Rect || !entity2 instanceof Rect) {
throw new Error("AABB collisions can only be checked on these entity types: Rect");
}
return (entity1.pos.x < entity2.pos.x + entity2.size.x &&
entity1.pos.x + entity1.size.x > entity2.pos.x &&
entity1.pos.y < entity2.pos.y + entity2.size.y &&
entity1.size.y + entity1.pos.y > entity2.pos.y);
}
}
export default CollisionMethods;