From 16c1140ead99064799113eb3d8ddcf47929bba70 Mon Sep 17 00:00:00 2001
From: Elizabeth Alexander Hunt <me@liz.coffee>
Date: Thu, 28 May 2026 21:01:02 -0700
Subject: Adding debug collision boxes, making bullets hurt you, and be able to
 kill bullets upon consumption

---
 entity.lua | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

(limited to 'entity.lua')

diff --git a/entity.lua b/entity.lua
index 5698c77..12d4862 100644
--- a/entity.lua
+++ b/entity.lua
@@ -68,6 +68,7 @@ function Entity:update(dt)
 
     if self.life_time ~= nil then
         self.life_time -= dt
+        if self.life_time <= 0 then self:kill() return end
     end
     if self.health ~= nil and self.health <= 0 then
         self:kill()
@@ -186,6 +187,10 @@ function _get_animation_key(line_of_sight)
     return _animation_keys[n_line_of_sight.x + 2] .. "_x"
 end
 
+function Entity:collision_box()
+    return {top_left = (self.collision_bounds.top_left + self.position), bottom_right = (self.collision_bounds.bottom_right + self.position) }
+end
+
 function Entity:render(screen_position)
     animation = self.states[self.state].animation
     if (animation == nil) then return end
@@ -263,6 +268,12 @@ function EntityBuilder:b_equipped(equipped)
 end
 function EntityBuilder:b_collidable()
     self.collision = true
+    if (self.collision_bounds == nil) then
+        self.collision_bounds = {
+            top_left = vec2(0, 0),
+            bottom_right = vec2(SPRITE_DIMS)
+        }
+    end
     return self
 end
 function EntityBuilder:b_live_for(t)
@@ -286,10 +297,6 @@ function EntityBuilder:b_collision_bounds(top_left, bottom_right)
 end
 function EntityBuilder:build()
     self.equipped = {}
-    self.collision_bounds = {
-        top_left = vec2(0, 0),
-        bottom_right = vec2(SPRITE_DIMS)
-    }
 
     return self.build_context.world.add(setmetatable(self, Entity))
 end
\ No newline at end of file
-- 
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