// updates camera button and camera position
void LateUpdate()
{
CameraButton.Update();
// checks if camera button has been pressed
if (CameraButton.IsButtonClicked())
{
camMoving = true;
trackPlayer = !trackPlayer;
}
if (camMoving) // if camera is still adjusting
{
IncrementMovingCamera();
}
if (trackPlayer && !camMoving)
{
if (RopeSystem.IsRopeConnected())
{
camMoving = true;
}
else
{
transform.position = player.transform.position + offset;
}
}
}
// Update is called once per frame
void Update()
{
// update the axisbutton utils first
JumpButton.Update();
// Update the player position
playerPos = transform.position;
if (ControllerMode)
{
joystickPosition.x = Input.GetAxis(AimHorizontalAxis);
joystickPosition.y = Input.GetAxis(AimVerticalAxis);
}
// Check that the ref to RopeSystem is not null, and the rope system is connected
// the == true is not redundant because of the ?. operator
// if this were expanded for multiple ropes, would just need to check that any are connected
if (RopeSystem?.IsRopeConnected() == true)
{
AimingReticleObject.SetActive(false);
UpdatePlayerSwingingForce();
}
// Player is not suspended by a rope
else
{
// Update the reticle endpoint and draw a line from the player to the endpoint
UpdateAimingReticle();
UpdateGroundStrafingMovement();
//Jump if the player is on the ground and they just clicked the button
if (JumpButton.IsButtonClicked() && onGround)
{
PlayerJump();
}
}
}
/// <summary>
/// Update a rope that is being cast
/// </summary>
private void UpdateCastingRope()
{
// disable the distance joint when we are casting, for when the point
// disables itself
RopeDistanceJoint.enabled = false;
//HookCollider.enabled = true;
RopeAndHookCollider.enabled = true;
HookSpriteObject.SetActive(true);
// start throwing if not throwing already
if (!IsCasting)
{
// fireSound.Play();
IsCasting = true;
// reset the casting distance
CurrentCastDistance = 0;
}
else
{
// increment the casting distance
CurrentCastDistance += CastingSpeed * Time.deltaTime;
// ensure it fits in the upper bound
if (CurrentCastDistance > MaxCastDistance)
{
CurrentCastDistance = MaxCastDistance;
}
}
// update the position of the line renderer
// and the collider
RopeLineRenderer.enabled = true;
var directionVector = new Vector3(Mathf.Cos(AimAngle), Mathf.Sin(AimAngle), 0);
var displayOrigin = transform.position + PlayerRopeDrawOffset;
var displayOffset = new Vector3(CurrentCastDistance * directionVector.x, CurrentCastDistance * directionVector.y, 0);
RopeLineRenderer.SetPosition(0, displayOrigin);
RopeLineRenderer.SetPosition(1, transform.position + displayOffset);
// get the midpoint
var midPoint = Vector3.Lerp(Vector3.zero, displayOffset, 0.5f);
var offset = new Vector2(midPoint.x, midPoint.y).magnitude;
// set the center of the collider to the midpoint between the end of the cast
RopeAndHookCollider.offset = new Vector2(0, CurrentCastDistance / 2);
// size the collider to fit the cast
RopeAndHookCollider.size = new Vector2(0.2f, CurrentCastDistance);
// set the end of the sprite to the end of the grapple
HookSpriteObject.transform.localPosition = CurrentCastDistance * directionVector;
// rotate the sprite so that it looks correct
HookSpriteObject.transform.rotation = Quaternion.Euler(0, 0, -90 + (Mathf.Rad2Deg * AimAngle));
// rotate the object that contains the casting collider
transform.rotation = Quaternion.Euler(0, 0, -90 + (Mathf.Rad2Deg * AimAngle));
// if they just clicked the fire button
if (FireButton.IsButtonClicked())
{
// then invoke the on fire handler
OnPlayerGrappleFire.Invoke();
}
}
// updates camera button and camera position
void LateUpdate()
{
CameraButton.Update();
// checks if camera button has been pressed
if (CameraButton.IsButtonClicked())
{
camMoving = true;
trackPlayer = !trackPlayer;
}
if (camMoving) // if camera is still adjusting
{
// adjust move speed
float step = camMoveSpeed * Time.deltaTime;
if (trackPlayer) // camera tracking player
{
if (RopeSystem.IsRopeConnected())
{ // moving towards swing point
Rigidbody2D ropeConnect = RopeSystem.RopeAnchorPoint;
if (playerCam.transform.position !=
ropeConnect.transform.position + ropeLockPos)
{
transform.position = Vector3.MoveTowards(transform.position,
ropeConnect.transform.position + ropeLockPos, step);
}
else // reached position
{
camMoving = false;
}
}
else // moving towards player position
{
float fastStep = camMoveSpeed * Time.deltaTime;
// uses moveTowards to move camera
Vector3 temp = player.transform.position + offset;
if (playerCam.transform.position != temp)
{
transform.position = Vector3.MoveTowards(
transform.position, temp, fastStep);
}
else // reached position
{
camMoving = false;
}
}
}
else // moves towards init static position
{
if (playerCam.transform.position != initPos)
{
transform.position = Vector3.MoveTowards(
transform.position, initPos, step);
}
else // reached position
{
camMoving = false;
}
}
}
if (trackPlayer && !camMoving)
{
if (RopeSystem.IsRopeConnected())
{
camMoving = true;
}
else
{
transform.position = player.transform.position + offset;
}
}
}
// Update is called once per frame
void Update()
{
// update the axisbutton utils first
JumpButton.Update();
// Update the player position
playerPos = transform.position;
if (ControllerMode)
{
joystickPosition.x = Input.GetAxis(AimHorizontalAxis);
joystickPosition.y = Input.GetAxis(AimVerticalAxis);
}
// Check that the ref to RopeSystem is not null, and the rope system is connected
// the == true is not redundant because of the ?. operator
// if this were expanded for multiple ropes, would just need to check that any are connected
if (RopeSystem?.IsRopeConnected() == true)
{
AimingReticleObject.SetActive(false);
// check the strafe axis
var strafeAmount = Input.GetAxis(StrafeAxis);
// get the perpendicular axis to the rope from the player
var perpendicularAxis = RopeSystem.GetRopePerpendicularAxis().Value;
// the direction of the perpendicular axis and where the player wants to go
var directionForceAxis = strafeAmount * perpendicularAxis;
// show some debug lines if debugging enabled
if (ShowDebugging)
{
Debug.DrawRay(transform.position, directionForceAxis, Color.red);
}
// get the velocity of the player in this perpendicular axis (and in the direction they want to go)
// if the player already has a large amount of velocity in this axis
// then don't let them get more velocity in this axis
var velocityInDirection = Vector2Project(PlayerRigidBody.velocity, directionForceAxis);
// show some debug lines if debugging enabled
if (ShowDebugging)
{
Debug.DrawRay(transform.position, velocityInDirection, Color.blue);
}
// check the velocity in the direction of motion to see if it is
// not too large to apply some force to it
// compare by magnitude
if (velocityInDirection.magnitude < (MaxSwingingVelocity * directionForceAxis).magnitude)
{
// if the velocity was less than the max, then we can add some velocity in that direction
// on this frame
var toAdd = directionForceAxis * SwingForce * Time.deltaTime;
PlayerRigidBody.AddForce(toAdd);
if (ShowDebugging)
{
// Debug.Log(velocityInDirection.magnitude);
Debug.DrawRay(transform.position, toAdd, Color.green);
}
}
else
{
// Debug.Log("low " + velocityInDirection.magnitude);
}
}
// Player is not suspended by a rope
else
{
/* ~~ DISPLAY AIMING RETICLE ~~ */
//Debug.Log("joystickX " + joystickPosition.x + " joystickY: " + joystickPosition.y);
float aimAngle;
if (!ControllerMode)
{
// Get the mouse position, using a ray from the camera that hits a plane that the world is on ( Z = 0 )
// see here: https://answers.unity.com/questions/566519/camerascreentoworldpoint-in-perspective.
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
// create a new plane at the origin that is facing forward
Plane xy = new Plane(Vector3.forward, new Vector3(0, 0, 0));
float distance;
xy.Raycast(ray, out distance);
var rayPoint = ray.GetPoint(distance);
var playerAimingLocation = rayPoint - playerPos;
Debug.DrawLine(Vector3.zero, rayPoint);
// Angle (radians) from the horizontal line going through the player to the mouse position
aimAngle = Mathf.Atan2(playerAimingLocation.y, playerAimingLocation.x);
}
else
{
joystickPosition.x = Input.GetAxis(AimHorizontalAxis);
joystickPosition.y = Input.GetAxis(AimVerticalAxis);
// Calculate the angle based on joystick position. Invert y axis first
aimAngle = Mathf.Atan2((0 - joystickPosition.y), joystickPosition.x);
}
// Keep it positive (e.g., straight below the player is 3pi/2 rad, not -pi/2)
if (aimAngle < 0)
{
aimAngle = (Mathf.PI * 2) + aimAngle;
}
if (ShowDebugging)
{
Debug.Log("aimAngle: " + aimAngle + " rad");
}
// Update the reticle endpoint and draw a line from the player to the endpoint
UpdateReticlePosition(aimAngle);
/* ~~ END DISPLAY AIMING RETICLE */
//Left and Right strafing movement
float moveHorizontal = Input.GetAxis(StrafeAxis);
if (ShowDebugging)
{
Debug.Log($"Axis: {StrafeAxis} Value: {moveHorizontal}");
}
Vector2 movement = new Vector2(moveHorizontal, 0);
PlayerRigidBody.AddForce(movement * StrafingForce * Time.deltaTime);
//Jump if the player is on the ground and they just clicked the button
if (JumpButton.IsButtonClicked() && onGround)
{
PlayerRigidBody.velocity = new Vector2(PlayerRigidBody.velocity.x, JumpingForce);
onGround = false;
}
}
}