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local DEFAULT_CAMERA_SMOOTHING = 30
Cam = {}
Cam.__index = Cam
function Cam.new(x, y)
local self = setmetatable({}, Cam)
self.x = x or 0
self.y = y or 0
self.realx = self.x
self.realy = self.y
self.zoom = 2
self.smoothing = DEFAULT_CAMERA_SMOOTHING
return self
end
function Cam:update(dt)
self.realx = dlerp(self.realx, self.x, self.smoothing * dt)
self.realy = dlerp(self.realy, self.y, self.smoothing * dt)
end
local active_cam = Cam.new()
function get_active_camera()
return active_cam
end
function set_active_camera(new_cam)
active_cam = new_cam
end
function use_camera_transform()
local w, h = SCR_WIDTH / 2, SCR_HEIGHT / 2
lg.scale(active_cam.zoom)
lg.translate(
-active_cam.realx + w / active_cam.zoom,
-active_cam.realy + h / active_cam.zoom)
end
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