Create utils.lua

Author: michal92299

utils.lua

@@ -0,0 +1,76 @@
+-- utils.lua: Funkcje pomocnicze
+
+function checkCollision(a, b)
+return a.x < b.x + b.width and
+a.x + a.width > b.x and
+a.y < b.y + b.height and
+a.y + a.height > b.y
+end
+
+function checkCircleCollision(a, circle)
+local closestX = math.max(a.x, math.min(circle.x, a.x + a.width))
+local closestY = math.max(a.y, math.min(circle.y, a.y + a.height))
+local dx = closestX - circle.x
+local dy = closestY - circle.y
+return (dx * dx + dy * dy) < (circle.radius ^ 2)
+end
+
+function createParticles(x, y, count, color)
+for i = 1, count do
+    table.insert(player.particles, {
+        x = x,
+        y = y,
+        vx = math.random(-100, 100),
+                 vy = math.random(-100, 100),
+                 life = math.random(0.2, 0.5),
+                 color = color
+    })
+    end
+    end
+
+    function saveHighScore(score)
+    love.filesystem.write("highscore.txt", tostring(score))
+    end
+
+    function loadHighScore()
+    local data = love.filesystem.read("highscore.txt")
+    return data and tonumber(data) or 0
+    end
+
+    function saveHighestLevel(level)
+    love.filesystem.write("highestlevel.txt", tostring(level))
+    end
+
+    function loadHighestLevel()
+    local data = love.filesystem.read("highestlevel.txt")
+    return data and tonumber(data) or 1
+    end
+
+    function saveAchievements()
+    local data = ""
+    for k, v in pairs(achievements) do
+        data = data .. k .. "=" .. tostring(v) .. "\n"
+        end
+        love.filesystem.write("achievements.txt", data)
+        end
+
+        function loadAchievements()
+        local ach = {hacker = false, data_collector = false, endless_runner = false, game_winner = false}
+        local data = love.filesystem.read("achievements.txt")
+        if data then
+            for line in data:gmatch("[^\r\n]+") do
+                local k, v = line:match("(%w+)=(%w+)")
+                if k and v then
+                    ach[k] = (v == "true")
+                    end
+                    end
+                    end
+                    return ach
+                    end
+
+                    function unlockAchievement(name)
+                    if not achievements[name] then
+                        achievements[name] = true
+                        saveAchievements()
+                        end
+                        end