Batman

lua/button.lua

@@ -0,0 +1,68 @@
+local Button = {}
+Button.__index = Button
+
+--- Constructor
+--- @param x number
+--- @param y number
+--- @param width number
+--- @param height number
+--- @param text string
+--- @param color Color
+--- @param callback function | nil
+--- @return Button
+function Button.new(x, y, width, height, text, color, callback)
+    local self = setmetatable({}, Button)
+    self.x = x
+    self.y = y
+    self.width = width
+    self.height = height
+    self.text = text
+    self.color = color
+    self.callback = callback or function() end
+    self.clicked = false
+    return self
+end
+
+--- Update function
+--- @param engine Engine
+function Button:update(engine)
+    local mouseX = engine:getMouseX()
+    local mouseY = engine:getMouseY()
+    local isHovered = mouseX >= self.x and mouseX <= (self.x + self.width) and
+                      mouseY >= self.y and mouseY <= (self.y + self.height)
+    
+    if isHovered and engine:isMouseLeftDown() then
+        if not self.clicked then
+            self.callback()
+            self.clicked = true
+        end
+    else
+        self.clicked = false
+    end
+end
+
+--- Draw function
+--- @param engine Engine
+function Button:draw(engine)
+    local mouseX = engine:getMouseX()
+    local mouseY = engine:getMouseY()
+    local isHovered = mouseX >= self.x and mouseX <= (self.x + self.width) and
+                      mouseY >= self.y and mouseY <= (self.y + self.height)
+    
+    local drawColor = isHovered and Color.new(self.color.r + 50, self.color.g + 50, self.color.b + 50) or self.color
+    
+    engine:setColor(drawColor)
+    engine:fillRect(self.x, self.y, self.width, self.height)
+    
+    engine:setColor(Color.new(0, 0, 0)) -- Black text
+    
+    local charWidth = 8
+    local textWidth = #self.text * charWidth
+    local textX = self.x + (self.width - textWidth) / 2
+    local textY = self.y + (self.height - 8) / 2
+
+    engine:drawText(self.text, textX, textY)
+
+end
+
+return Button