1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
-- `Button`
-- Button used in `Menu`
Button = {
text = "",
focused = false,
x = 0,
y = 0,
sprite,
quad = love.graphics.newQuad(0, 0, 58,15, 68,15),
arrow_l = love.graphics.newQuad(58, 0, 5, 5, 68,15),
arrow_r = love.graphics.newQuad(63, 0, 5, 5, 68,15),
delay = 2,
parent
}
function Button:new(parent)
local o = {}
setmetatable(o, self)
self.__index = self
o.parent = parent
self.sprite = love.graphics.newImage("assets/menu.png")
return o
end
function Button:setText(text)
self.text = text or ""
return self
end
function Button:setPosition(x, y)
self.x = x or 0
self.y = y or 0
return self
end
function Button:getPosition() return self.x,self.y end
function Button:focus(next)
self.focused = true
end
function Button:blur()
self.focused = false
end
function Button:active() end
function Button:set(name, func)
if type(name) == "string" and type(func) == "function" then
self[name] = func
end
return self
end
function Button:draw(scale)
local x,y = self:getPosition()
love.graphics.setColor(255, 255, 255, 255)
love.graphics.draw(self.sprite, self.quad, x*scale, y*scale, 0, scale, scale)
if self.focused then
love.graphics.draw(self.sprite, self.arrow_l, (x+54+math.floor(self.delay))*scale, (y+5)*scale, 0, scale, scale)
love.graphics.draw(self.sprite, self.arrow_r, (x-1-math.floor(self.delay))*scale, (y+5)*scale, 0, scale, scale)
end
love.graphics.setFont(Font)
love.graphics.printf(self.text, (x+2)*scale, (y+4)*scale, 54, "center", 0, scale, scale)
end
function Button:update(dt)
self.delay = self.delay + dt
if self.delay > Button.delay then -- Button.delay is initial
self.delay = self.delay - Button.delay
end
end
function Button:controlpressed(set, action, key)
if action == "attack" and self.focused then
self:active()
end
end
function Button:controlreleased(set, action, key) end
return Button
|
