private void FixedUpdate()
{
// Always deriv your motion from the kinematic body velocity
// otherwise your movement will be incorrect, like when you
// jump against a ceiling and don't fall since your motion
// still being applied against its direction.
Vector3 moveDirection = kinematicBody.velocity;
if (kinematicBody.isGrounded)
{
moveDirection = new Vector3(Input.GetAxis("Horizontal"), 0, Input.GetAxis("Vertical"));
moveDirection = moveDirection.normalized;
moveDirection *= speed;
// If te kinematic body is grounded you should always apply velocity downward
// to keep the isGrounded status as true and avoid the "bunny hop" effect when
// walking down steep ground surfaces.
moveDirection.y = -snapForce;
if (Input.GetButton("Jump"))
{
moveDirection.y = jumpSpeed;
}
}
moveDirection.y -= gravity * Time.deltaTime;
// Call the Move method from Kinematic Body with the desired motion.
kinematicBody.Move(moveDirection);
}