private void Chase(Vector3 targetPosition, Bounds bounds)
{
var aiPosition = transform.position;
var isTargetLeft = targetPosition.x < aiPosition.x;
if (isTargetLeft)
{
_horizontalMoveAbility.TryLeft();
}
else
{
_horizontalMoveAbility.TryRight();
}
_velocity.x = _horizontalMoveAbility.Speed;
var moveVector = _velocity * Time.deltaTime;
var nextPosition = aiPosition + moveVector;
if (isTargetLeft && nextPosition.x <= targetPosition.x ||
!isTargetLeft && nextPosition.x >= targetPosition.x)
{
_targetPosition = null;
_velocity.x = 0;
}
}
void Update()
{
if (_controller.isGrounded)
{
_velocity.y = 0;
}
_velocity.y += gravity * Time.deltaTime;
if (_controller.isGrounded)
{
if (_direction == Direction.Left)
{
_horizontalMoveAbility.TryLeft();
}
else
{
_horizontalMoveAbility.TryRight();
}
_velocity.x = _horizontalMoveAbility.Speed;
var moveVector = _velocity * Time.deltaTime;
var predictedPosition = transform.position + moveVector;
var origin = new Vector2(predictedPosition.x, predictedPosition.y);
var result = Physics2D.Raycast(origin, Vector2.down, 1, _controller.platformMask);
if (result.collider == null)
{
SwitchDirection();
_velocity.x = 0;
}
}
_controller.move(_velocity * Time.deltaTime);
}
// the Update loop contains a very simple example of moving the character around and controlling the animation
void Update()
{
if (_controller.isGrounded)
{
_velocity.y = 0;
}
if (Input.GetAxisRaw("Horizontal") > 0f)
{
_horizontalMoveAbility.TryRight();
}
else if (Input.GetAxisRaw("Horizontal") < 0f)
{
_horizontalMoveAbility.TryLeft();
}
else
{
_horizontalMoveAbility.TryIdle();
}
// we can only jump whilst grounded
if (_controller.isGrounded && Input.GetButtonDown("Jump"))
{
_velocity.y = Mathf.Sqrt(2f * jumpHeight * -gravity);
OnJump.Invoke();
}
if (Input.GetButtonDown("Dash"))
{
_dashAbility.Try();
}
if (_dashAbility.IsDashing)
{
_velocity = _dashAbility.Velocity;
}
else
{
_velocity.x = _horizontalMoveAbility.Speed;
// apply gravity before moving
_velocity.y += gravity * Time.deltaTime;
}
// if holding down bump up our movement amount and turn off one way platform detection for a frame.
// this lets us jump down through one way platforms
if (_controller.isGrounded && Input.GetKey(KeyCode.DownArrow))
{
_velocity.y *= 3f;
_controller.ignoreOneWayPlatformsThisFrame = true;
}
if (!Input.GetButton("Jump") && _velocity.y >= airBreakThreshold)
{
_velocity.y = airBreakSpeed;
}
_controller.move(_velocity * Time.deltaTime);
// grab our current _velocity to use as a base for all calculations
_velocity = _controller.velocity;
}