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-rw-r--r--src/macroknight/systems.hy22
1 files changed, 14 insertions, 8 deletions
diff --git a/src/macroknight/systems.hy b/src/macroknight/systems.hy
index b02bc50..fccccd0 100644
--- a/src/macroknight/systems.hy
+++ b/src/macroknight/systems.hy
@@ -1,19 +1,25 @@
;; Define systems here
(setv GRAVITY 5)
+(defclass GoalHit [Exception])
+
(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)]
+ (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)))))
+ (if (= ent.type "goal")
+ (raise (GoalHit))
+ (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)))))