From 419f858b1bd85ce804a7939ec0ecae78504bfcc2 Mon Sep 17 00:00:00 2001
From: Donald Ball <donald.ball@gmail.com>
Date: Thu, 13 Nov 2025 16:35:51 -0500
Subject: [PATCH] expiring bullets

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

diff --git a/main.lua b/main.lua
index 05f112c..5e3cc84 100644
--- a/main.lua
+++ b/main.lua
@@ -32,10 +32,16 @@ function love.update(dt)
     shipX = (shipX + shipSpeedX * dt) % arenaWidth
     shipY = (shipY + shipSpeedY * dt) % arenaHeight
 
-    for bulletIndex, bullet in ipairs(bullets) do
-        local bulletSpeed = 500
-        bullet.x = (bullet.x + math.cos(bullet.angle) * bulletSpeed * dt) % arenaWidth
-        bullet.y = (bullet.y + math.sin(bullet.angle) * bulletSpeed * dt) % arenaHeight
+    for bulletIndex = #bullets, 1, -1 do
+        local bullet = bullets[bulletIndex]
+        bullet.timeLeft = bullet.timeLeft - dt
+        if bullet.timeLeft <= 0 then
+            table.remove(bullets, bulletIndex)
+        else
+            local bulletSpeed = 500
+            bullet.x = (bullet.x + math.cos(bullet.angle) * bulletSpeed * dt) % arenaWidth
+            bullet.y = (bullet.y + math.sin(bullet.angle) * bulletSpeed * dt) % arenaHeight
+        end
     end
 end
 
@@ -45,6 +51,7 @@ function love.keypressed(key)
             x = shipX + math.cos(shipAngle) * shipRadius,
             y = shipY + math.sin(shipAngle) * shipRadius,
             angle = shipAngle,
+            timeLeft = 4,
         })
     end
 end