CharacterController jump in unity

Question

Hello I was trying to do movement script in Unity. Also I wanted to add jump, but everytime when I jump it moves up for like 0.025 on Y direction and stops the player in air*(if I am on 0 and I jump it moves on 0.02545 then 0.0543 etc...)* and I can spam Space to move player up. I added gravity but it looks it doesn't work.. I don't know how to fix it. I hope someone can help me with my problem...

Here is the function what I am using...

Vector3 moveDirection = Vector3.zero; public float walkingSpeed = 10.0f; public bool canJump = true; public float jumpSpeed = 8.0f; public float gravity = 10.0f; CharacterController characterController; void Movement() { Vector3 forward = transform.TransformDirection(Vector3.forward); Vector3 right = transform.TransformDirection(Vector3.right); float moveX = walkingSpeed * Input.GetAxis("Vertical"); float moveY = walkingSpeed * Input.GetAxis("Horizontal"); float MovementY = moveDirection.y; moveDirection = (forward * moveX) + (right * moveY); if (Input.GetButtonDown("Jump") && canJump) { moveDirection.y = jumpSpeed; } moveDirection.y -= gravity * Time.deltaTime; characterController.Move(moveDirection * Time.deltaTime); }

user8110579 · Accepted Answer · 2021-03-06 19:41:12Z

Because you are resetting moveDirection every frame (when you call moveDirection = (forward * moveX) + (right * moveY) you aren't letting the gravity accumulate. You should instead save the vertical speed separately and add it every frame.

Something like the following:

Vector3 moveDirection = Vector3.zero; public float walkingSpeed = 10.0f; public bool canJump = true; public float jumpSpeed = 8.0f; public float gravity = 10.0f; CharacterController characterController; private float verticalSpeed; void Movement() { float moveX = walkingSpeed * Input.GetAxis("Vertical"); float moveY = walkingSpeed * Input.GetAxis("Horizontal"); verticalSpeed -= gravity * Time.deltaTime; if (Input.GetButtonDown("Jump") && canJump) { verticalSpeed = jumpSpeed; } characterController.Move((moveX * transform.forward + moveY * transform.right + verticalSpeed * transform.up) * Time.deltaTime); }

transform.forward is equivalent to transform.TransformDirection(Vector3.forward)

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