-- Camera Controller
-- WorldPosition
-- April 6, 2020

--[[


--]]

local CurrentCamera;
local UserInput, Mouse, Keyboard;
local Smooth;

local CameraController = {}

CameraController.RightDown = false;

CameraController.CameraPosition = Vector3.new(0, 90, 0);
CameraController.CameraPositionGoal = Vector3.new(100, 90, 0);
CameraController.ZoomSpeedScale = 1;
CameraController.CameraRotation = Vector3.new(-55, 0, 0);

function CameraController:Start()
    wait(6);
    local SmoothCamera = Smooth.new(self.CameraPosition, 0.15);
    CurrentCamera.CameraType = Enum.CameraType.Scriptable;
    game:GetService("RunService"):BindToRenderStep("Cam", 0, function()
        local NewPosition = SmoothCamera:Update(CameraController.CameraPositionGoal);
        NewPosition = Vector3.new(NewPosition.X, NewPosition.Y, NewPosition.Z);
        CurrentCamera.CFrame = CFrame.new(NewPosition) * CFrame.Angles(math.rad(self.CameraRotation.X), math.rad(self.CameraRotation.Y), math.rad(self.CameraRotation.Z));
    end)


    -- now for moving the camera around

    --| DELTA |--
    local lastPosition = Mouse:GetPosition();
    local Delta;

    game:GetService("RunService"):BindToRenderStep("Delta", 1, function()
        local CurrentPosition = Mouse:GetPosition();
        Delta = (CurrentPosition - lastPosition) / 3.5;
        lastPosition = CurrentPosition
        --self.CameraPositionGoal = self.CameraPositionGoal + Vector3.new(Delta.X, 0, Delta.Y);
    end)

    --| RIGHT CLICK DRAG CAMERA |--
    Mouse.RightDown:Connect(function()
        self.RightDown = true;
        spawn(function()
            while game:GetService("RunService").RenderStepped:Wait() and self.RightDown == true do
                self.CameraPositionGoal = self.CameraPositionGoal + Vector3.new(-Delta.X * self.ZoomSpeedScale, 0, -Delta.Y * self.ZoomSpeedScale);
            end
        end)
    end)

    Mouse.RightUp:Connect(function()
        self.RightDown = false;
    end)

    --| SCROLL TO ZOOM |--
    Mouse.Scrolled:Connect(function(Amount)
        self.CameraPositionGoal = self.CameraPositionGoal + Vector3.new(0, -Amount * 13.5, 0);
        --print(math.clamp(self.CameraPositionGoal.Y, 20, 90)) ;
        self.CameraPositionGoal = Vector3.new( self.CameraPositionGoal.X, math.clamp(self.CameraPositionGoal.Y, 20, 90), self.CameraPositionGoal.Z);
        local zoomlevel = (self.CameraPositionGoal.Y - 20) / (90 - 20);
        self.ZoomSpeedScale = math.clamp(zoomlevel, 0.3, 1);
        print(self.ZoomSpeedScale);
    end)

end


function CameraController:Init()
    UserInput = self.Controllers.UserInput;
    Mouse = UserInput:Get("Mouse");
    Smooth = self.Modules.Smooth;
    CurrentCamera = workspace.CurrentCamera;
end


return CameraController