aboutsummaryrefslogtreecommitdiff
path: root/src/macroknight/systems.hy
blob: b02bc50bffc65b6c7f460ae6aa31cb3c89215c58 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
;; Define systems here
(setv GRAVITY 5)

(defn apply-gravity [entity entities]
  (when (not entity.fixed)
    (.move entity #(0 GRAVITY))))

(defn apply-collisions [entity entities]
  (when (not entity.fixed)
    (for [ent (gfor enti entities :if (!= enti.id entity.id) enti)]
      (when (.colliderect entity.rect ent.rect)
        (let [collision-rect (.clip entity.rect ent.rect)
              move-x (get entity.total-move 0)
              move-y (get entity.total-move 1)]
          (when (!= move-x 0)
            (.move entity #((* (if (> move-x 0) -1 1) collision-rect.width) 0)))
          (when (!= move-y 0)
            (.move entity #(0 (* (if (> move-y 0) -1 1) collision-rect.height)))))
        (.ground entity)))))