LÖVE

Code: Select all

        local font = love.graphics.getFont()
	local text_width = font:getWidth(self.label_text)
	local text_height = font:getHeight(self.label_text)
	local button_width = self.btn_img:getWidth()
	local button_height = self.btn_img:getHeight()

	love.graphics.draw(self.btn_img, self.x, self.y)

	if self.label_text ~= "" then
		love.graphics.print(self.label_text, self.x + (button_width - text_width) / 2, self.y + (button_height - text_height) / 2)
	end

Code: Select all

Button = {}
Button.__index = Button

setmetatable(Button, {
    __call = function(cls, ...)
        return cls.new(...)
    end,
})

-- constructor, set the button's properties 
-- button_1 = Button(10, 10, "Enter", "/images/round_button.png")
function Button.new(x, y, text, button, image)
    local self = setmetatable({}, Button)
    self.x = x or 0 
    self.y = y or 0
    self.image = love.graphics.newImage(image)
    self.width = self.image:getWidth()
    self.height = self.image:getHeight()
    self.text = text or "button"
    self.textPos = {}
         self.textPos.x = self.x - (font:getWidth(self.text) / 2) + (self.width / 2)
         self.textPos.y = self.y + 5
    self.button = button or "l"
    self.state = false
    return self
end
--[[ 
    inside of love.update
    if button_1.state == true then
        -- your code goes here for whatever the button activates / diactivates
        button_1.state = false
    end
]]

-- inside of love.draw
-- button_1:draw()
function Button:draw()      
   love.graphics.draw(self.image, self.x, self.y)
   love.graphics.print(self.text, self.textPos.x, self.textPos.y)
end
   
-- inside of love.mousepressed
-- button_1:mousepressed(x, y, button)
function Button:mousepressed(x, y, button)
   mx, my = love.mouse.getPosition()
   if self.button == button and self.state == false then 
      if mx > self.x and mx < (self.x + self.width) then
         if my > self.y and my < (self.y + self.height) then
            self.state = true
         end
      end
   else
      self.state = false
   end
end
   
return Button