void FixedUpdate()
{
if (GameManager.Get().GameOver || GameManager.Get().YouWin)
{
return;
}
float x = transform.position.x;
float y = transform.position.y;
if (y > _groundLevelY - 0.64f)
{
if (!_jump)
{
groundPlayer(x, ref y, kFallingStep);
}
}
if (_digging && _jump) // not allowed
{
groundPlayer(x, ref y);
}
if (!_digging)
{
HandleJump(x, ref y);
}
if (_left)
{
Vector2 rayDirection = new Vector3(-1f, 0, 0);
ShiftGuns(rayDirection);
if (checkForGroundBlock(x, y, rayDirection) == null) // okay to move
{
if (_currentMovementDelay == 0)
{
x += -MovementStepSize;
_currentMovementDelay = MovementDelay;
PlayMovementBeep();
}
else
{
_currentMovementDelay--;
}
}
}
else if (_right)
{
Vector2 rayDirection = new Vector3(1f, 0, 0);
ShiftGuns(rayDirection);
if (checkForGroundBlock(x, y, rayDirection) == null) // okay to move
{
if (_currentMovementDelay == 0)
{
x += MovementStepSize;
_currentMovementDelay = MovementDelay;
PlayMovementBeep();
}
else
{
_currentMovementDelay--;
}
}
}
else if (!_jump && _digging)
{
if (_currentMovementDelay == 0)
{
PlayDiggingBeep();
if (_currentDigGroundHeight == 0)
{
_currentDigGroundHeight = y;
}
y = _currentDigGroundHeight + kDiggingHeight;
switch (_diggingState)
{
case 0:
_currentMovementDelay = InitialJumpDelay;
_currentStateDuration = SecondStateDuration;
_diggingState++;
break;
case 1:
_currentMovementDelay = SecondJumpDelay;
if (_currentStateDuration == 0)
{
_currentDigDuration = kDiggingDuration;
_diggingState++;
}
else
{
_currentStateDuration--;
}
break;
case 2:
_currentMovementDelay = FinalJumpDelay; // stay in state until key release (or dig finishes)
if (_currentDigDuration == 0)
{
// remove block, replace with gun, or if just ground, dig hole, drop player.
GameObject ground = checkForGroundBlock(x, _groundLevelY, new Vector2(0, -1f));
if (ground != null)
{
// check if gun block, change state to Gun... else
GameManager.Gun gun = GameManager.Get().FindGunForGround(ground);
if (gun != null)
{
GameManager.Get().TransformIntoGun(gun);
}
else
{
Destroy(ground);
groundPlayer(x, ref y);
}
_diggingState = 0;
_currentDigGroundHeight = 0f;
}
}
else
{
_currentDigDuration--;
}
break;
}
}
else
{
_currentMovementDelay--;
_currentDigGroundHeight = 0f;
}
}
else
{
_currentMovementDelay = 0; // reset when no left/right key is held.
_diggingState = 0;
_currentDigGroundHeight = 0f;
}
x = Mathf.Max(x, -18.24f - 0.64f); // 6.08 x 3 multiples, plus one more character width since pos is from centre
x = Mathf.Min(x, 18.24f + 0.64f);
// Update camera
float cameraX = _camera.transform.position.x;
if ((cameraX - x) > 2.56f && x > -15.64f) // at scroll trigger point?
{
cameraX -= 0.64f;
_camera.transform.position = new Vector3(cameraX, _camera.transform.position.y, -10);
}
else if ((x - cameraX) > 2.56f && x < 15.64f)
{
cameraX += 0.64f;
_camera.transform.position = new Vector3(cameraX, _camera.transform.position.y, -10);
}
transform.position = new Vector3(x, y, 0f);
}
// Player can shift any number of linked guns (TODO: or maybe a max of three?)
// Call this when a block is present, and left and right is pressed, and "heavypushcount" is zero.
void ShiftGuns(Vector2 shiftDirection)
{
if (_heavyMoveDelay > 0)
{
_heavyMoveDelay--;
return;
}
_heavyMoveDelay = kHeavyMoveDuration;
float rayDistance = 0.32f;
// Create a list of guns to process (empty)
List <GameManager.Gun> gunsToShift = new List <GameManager.Gun>();
float x = gameObject.transform.position.x + ((0.02f + rayDistance) * shiftDirection.x); // needs fudge factor for float :(
float y = gameObject.transform.position.y;
// Hit GUN CHECK:-
while (true)
{
var rayStart = new Vector2(x, y);
// Temp ray will leave play area?
float newX = x + rayDistance * shiftDirection.x;
if ((Mathf.Sign(newX) * newX) >= (18.88f + 0.64f))
{
// Stop and cancel - cannot move, at edge of play area.
return;
}
// Cast ray from player, store as temp ray.
Debug.DrawRay(rayStart, shiftDirection * rayDistance, Color.yellow);
var raycastHit = Physics2D.Raycast(rayStart, shiftDirection, rayDistance, 1 << 9); // ground layer only
// Temp ray finds no gun?
if (!raycastHit)
{
// Stop and jump to hit gun processing.
Debug.Log("Found gap - handling guns to move");
break;
}
GameManager.Gun gun = GameManager.Get().FindGunForGround(raycastHit.collider.gameObject); // TODO: SLOW!
if (gun == null)
{
// Stop and cancel - obstacle found.
Debug.Log("No gun found for object");
return;
}
// Hits a gun? Add gun to list of hits.
gunsToShift.Add(gun);
Debug.Log("Gun added");
// Cast ray from gun.
// Store as temp ray
// back to Hit GUN CHECK
x += shiftDirection.x * 0.64f; // skip a block
}
// Hit Gun Processing
Vector2 downwards = new Vector2(0, -1f);
// Work through each gun
foreach (GameManager.Gun gun in gunsToShift)
{
// Move left/right by 0.64f (block size)
gun.groundBlock.transform.Translate(0.64f * shiftDirection.x, 0, 0);
// next downwards ray off play area?
float newY = y + rayDistance * downwards.y;
if (newY < -3.52)
{
// skip to next gun
Debug.Log("Skipping gun");
continue;
}
// Cast ray downwards from gun
var rayStart = new Vector2(gun.groundBlock.transform.position.x,
gun.groundBlock.transform.position.y + (0.02f + rayDistance * downwards.x)); //fudge
Debug.DrawRay(rayStart, downwards * rayDistance, Color.blue);
var raycastHit = Physics2D.Raycast(rayStart, downwards, rayDistance, 1 << 9); // ground layer only
// hit block/gun?
if (!raycastHit)
{
// if no, move down by block size (0.64f)
gun.groundBlock.transform.Translate(0, -0.64f, 0);
}
}
}
