public void JumpDown()
{
if (IsRunning && jumpDownState == JumpDownState.None)
{
jumpDownState = JumpDownState.Initiated;
}
}
private void Move(float xSpeed, float highJumpHeight)
{
_velocity.y = 0;
canDoubleJump = true;
if (!alive)
{
normalizedHorizontalSpeed = 0;
}
var gravity = Physics2D.gravity.y;
// we can only jump whilst grounded
if (doJump)
{
doJump = false;
// choose jump or double-jump koeficient
var jumpKoef = normalizedHorizontalSpeed > 0 ? 1f : 0.75f;
_velocity.y = Mathf.Sqrt(jumpKoef * highJumpHeight * -gravity);
_animator.SetBool("Grounded", false);
}
var speedReduce = gravity * Time.deltaTime;
if (jumpTime > 0)
{
speedReduce *= (1 - jumpTime);
jumpTime -= Time.deltaTime;
}
// apply gravity before moving
_velocity.y += speedReduce;
// apply horizontal speed smoothing it. dont really do this with Lerp. Use SmoothDamp or something that provides more control
_velocity.x = Mathf.Lerp(_velocity.x, normalizedHorizontalSpeed * xSpeed, Time.deltaTime);
if (doBounceFromCeiling)
{
doBounceFromCeiling = false;
_velocity.y = 0.1f * gravity;
}
// if holding down bump up our movement amount and turn off one way platform detection for a frame.
// this lets uf jump down through one way platforms
if (jumpDownState == JumpDownState.Initiated)
{
jumpDownState = JumpDownState.WaitingForGround;
_velocity.y = 0.3f * gravity;
}
if (jumpDownState == JumpDownState.WaitingForGround)
{
jumpDownState = JumpDownState.None;
}
}
