36 lines
1.0 KiB
Lua
36 lines
1.0 KiB
Lua
|
local MAX_SECONDS = 60 * 60 * 12
|
||
|
|
|
||
|
|
local Hand = {}
|
||
|
|
Hand.__index = Hand
|
||
|
|
|
||
|
|
function Hand:new(length, color, sec_per_turn, ticks_per_turn)
|
||
|
|
local h = {
|
||
|
|
length = (length or 10),
|
||
|
|
color = (color or {1,1,1}),
|
||
|
|
sec_per_turn = (sec_per_turn or 1),
|
||
|
|
ticks_per_turn = ticks_per_turn
|
||
|
|
}
|
||
|
|
return setmetatable(h, self)
|
||
|
|
end
|
||
|
|
|
||
|
|
local function handTransform(sec_elapsed)
|
||
|
|
local turns = sec_elapsed / self.sec_per_turn
|
||
|
|
if self.ticks_per_turn then
|
||
|
|
turns = math.floor(turns * self.ticks_per_turn) / self.ticks_per_turn
|
||
|
|
end
|
||
|
|
return love.math.newTransform(0, 0, 2 * math.pi * turns)
|
||
|
|
end
|
||
|
|
|
||
|
|
function Hand:draw(sec_elapsed)
|
||
|
|
local turns = sec_elapsed / self.sec_per_turn
|
||
|
|
if self.ticks_per_turn then
|
||
|
|
turns = math.floor(turns * self.ticks_per_turn) / self.ticks_per_turn
|
||
|
|
end
|
||
|
|
love.graphics.push("all")
|
||
|
|
love.graphics.applyTransform(handTransform(sec_elapsed))
|
||
|
|
love.graphics.setColor(unpack(self.color))
|
||
|
|
love.graphics.rectangle("fill", -10, 10, 20, -self.length)
|
||
|
|
love.graphics.pop()
|
||
|
|
end
|
||
|
|
|