private void BouncePhase()
{
Vector2 colliderCenter = new Vector2(transform.position.x, transform.position.y) + boxCollider.offset;
Vector2 bottomLeftCorner = new Vector2(colliderCenter.x - (boxCollider.size.x / 2), colliderCenter.y - (boxCollider.size.y / 2));
Vector2 bottomRightCorner = new Vector2(colliderCenter.x + (boxCollider.size.x / 2), colliderCenter.y - (boxCollider.size.y / 2));
Vector2 topLeftCorner = new Vector2(colliderCenter.x - (boxCollider.size.x / 2), colliderCenter.y + (boxCollider.size.y / 2));
Vector2 topRightCorner = new Vector2(colliderCenter.x + (boxCollider.size.x / 2), colliderCenter.y + (boxCollider.size.y / 2));
float verticalDistanceCheck = boxCollider.size.y / 8;
float horizontalDistanceCheck = boxCollider.size.x / 8;
// check vertical bounces
if (currentVelocity.y < 0)
{
if (MovementUtilities.Box2DObstaclePresent(bottomLeftCorner, Vector2.down, verticalDistanceCheck) ||
MovementUtilities.Box2DObstaclePresent(colliderCenter + (Vector2.down * boxCollider.size.y / 2), Vector2.down, verticalDistanceCheck) ||
MovementUtilities.Box2DObstaclePresent(bottomRightCorner, Vector2.down, verticalDistanceCheck))
{
currentVelocity.y = -currentVelocity.y;
}
}
else if (currentVelocity.y > 0)
{
if (MovementUtilities.Box2DObstaclePresent(topLeftCorner, Vector2.up, verticalDistanceCheck) ||
MovementUtilities.Box2DObstaclePresent(colliderCenter + (Vector2.up * boxCollider.size.y / 2), Vector2.up, verticalDistanceCheck) ||
MovementUtilities.Box2DObstaclePresent(topRightCorner, Vector2.up, verticalDistanceCheck))
{
currentVelocity.y = -currentVelocity.y;
}
}
// check horizontal bounces
if (currentVelocity.x < 0)
{
if (MovementUtilities.Box2DObstaclePresent(topLeftCorner, Vector2.left, horizontalDistanceCheck) ||
MovementUtilities.Box2DObstaclePresent(colliderCenter + (Vector2.left * boxCollider.size.x / 2), Vector2.left, horizontalDistanceCheck) ||
MovementUtilities.Box2DObstaclePresent(bottomLeftCorner, Vector2.left, horizontalDistanceCheck))
{
currentVelocity.x = -currentVelocity.x;
}
}
else if (currentVelocity.x > 0)
{
if (MovementUtilities.Box2DObstaclePresent(topRightCorner, Vector2.right, horizontalDistanceCheck) ||
MovementUtilities.Box2DObstaclePresent(colliderCenter + (Vector2.right * boxCollider.size.x / 2), Vector2.right, horizontalDistanceCheck) ||
MovementUtilities.Box2DObstaclePresent(bottomRightCorner, Vector2.right, horizontalDistanceCheck))
{
currentVelocity.x = -currentVelocity.x;
}
}
this.transform.Translate(currentVelocity * Time.deltaTime);
}