Modeling a projectile's motion

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Is there a way to make this work with BodyMovers or at least a way for this to work on Characters? I tried every possible way but it either dosen’t work, the player keeps moving forward, or jumps suddenly in the air and nothing happens.

local t = 1;
local mouse = game.Players.LocalPlayer:GetMouse();
local hrp = game.Players.LocalPlayer.Character:WaitForChild("HumanoidRootPart")

mouse.Button1Down:Connect(function()
	local g = Vector3.new(0, -game.Workspace.Gravity, 0);
	local x0 = hrp.CFrame * Vector3.new(0, 2, -2)

	-- calculate the v0 needed to reach mouse.Hit.p
	local v0 = (mouse.Hit.p - x0 - 0.5*g*t*t)/t;

	-- have the ball travel that path
	game:GetService("Players").LocalPlayer.Character:FindFirstChildOfClass("Humanoid").Jump = true
	local bv = Instance.new("BodyPosition")
	bv.Position = v0
	bv.Parent = hrp
	game:GetService("Debris"):AddItem(bv, 1)
end)