Roblox-Elevator-Game/src/shared/Client/Camera.lua

--!optimize 2
--!native
--!strict

local Camera = {}
Camera.__index = Camera

Camera.FOV = {
	Default = 70,
	Zoomed = 30,
}
Camera.FOV.Speed = {
	In = 0.3,
	Out = 0.4
}
Camera.VignetteEnabled = true
Camera.CrosshairEffect = true
Camera.EffectsEase = Enum.EasingStyle.Quad

local Storage = game:GetService("ReplicatedStorage")

local Tween = require(Storage:WaitForChild("Tween"))

local ZoomTween = Tween.constructor()
local VignetteTween = Tween.constructor()

function Camera.constructor(CurrentCamera: Camera, Player: Player)
	return setmetatable({
		Camera = CurrentCamera,
		Player = Player,
	}, Camera)
end

function Camera:FirstPerson()
	self.Player.CameraMode = Enum.CameraMode.LockFirstPerson
end

function Camera:ThirdPerson()
	self.Player.CameraMode = Enum.CameraMode.Classic
end

--damn...
type Vignette = any
type Crosshair = any

function Camera:ZoomIn(Vignette: Vignette?, Crosshair: Crosshair?)
	ZoomTween:Start(self.Camera, {
		FieldOfView = Camera.FOV.Zoomed
	}, TweenInfo.new(Camera.FOV.Speed.In, Camera.EffectsEase))

	if Camera.VignetteEnabled then
		if Vignette then
			Vignette.Screen.Enabled = true
			
			VignetteTween:Start(Vignette.Icon, {
				ImageTransparency = 0
			}, TweenInfo.new(Camera.FOV.Speed.In, Camera.EffectsEase))
		else
			warn("Camera: no Vignette object was provided for the camera", debug.traceback())
		end
	end

	if Camera.CrosshairEffect then
		if Crosshair then
			VignetteTween:Start(Crosshair.Icon, {
				ImageTransparency = .9
			}, TweenInfo.new(Camera.FOV.Speed.In, Camera.EffectsEase))
		else
			warn("Camera: no Crosshair object was provided for the camera", debug.traceback())
		end
	end
end

function Camera:ZoomOut(Vignette: Vignette?, Crosshair: Crosshair?)
	ZoomTween:Start(self.Camera, {
		FieldOfView = Camera.FOV.Default
	}, TweenInfo.new(Camera.FOV.Speed.Out, Camera.EffectsEase))

	if Camera.VignetteEnabled then
		if Vignette then
			Vignette.Screen.Enabled = true
			
			VignetteTween:Start(Vignette.Icon, {
				ImageTransparency = 1
			}, TweenInfo.new(Camera.FOV.Speed.Out, Camera.EffectsEase))
		else
			warn("Camera: no Vignette object was provided for the camera", debug.traceback())
		end
	end
	
	if Camera.CrosshairEffect then
		if Crosshair then
			VignetteTween:Start(Crosshair.Icon, {
				ImageTransparency = 0
			}, TweenInfo.new(Camera.FOV.Speed.In, Camera.EffectsEase))
		else
			warn("Camera: no Crosshair object was provided for the camera", debug.traceback())
		end
	end
end

return Camera