blob: bc65044ae16a3ddf4ac263a940ec0acb9f74a688 (
plain)
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
|
local coords = require"common.coords"
-- in screen units
local screen_width, screen_height = love.graphics.getDimensions()
-- zoom is screen pixels per world unit
local Camera = {}
Camera.__index = Camera
function Camera.make(pos,zoom)
pos = pos or coords.Pos.make(0,0)
zoom = zoom or 30
return setmetatable({pos=pos,zoom=zoom},Camera)
end
function Camera.apply_trans(self)
love.graphics.origin()
-- centre (0,0) in the middle of the screen
love.graphics.translate(screen_width/2,screen_height/2)
-- apply camera transformations
love.graphics.scale(self.zoom)
love.graphics.translate(-self.pos.x,-self.pos.y)
end
return {Camera=Camera}
|
