// Move the selected piece if one is selected
void MoveSelection()
{
// Check if a piece has been selected
if (selectedPiece != null)
{
// Create a new ray from the camera
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
GizmosGL.color = Color.yellow;
GizmosGL.AddLine(ray.origin, ray.origin + ray.direction * rayDistance, 0.1f, 0.1f);
RaycastHit hit;
// Raycast to only hit objects that aren't pieces
if (Physics.Raycast(ray, out hit, rayDistance, ~selectionIgnoreLayer))
{
hitPoint = hit.point;
// Obtain the hit point
GizmosGL.color = Color.blue;
GizmosGL.AddSphere(hit.point, 0.5f);
// Move the piece to position
Vector3 piecePos = hit.point + Vector3.up * pieceHeight;
selectedPiece.transform.position = piecePos;
}
if (Input.GetMouseButtonUp(0))
{
// Drop the piece to hitpoint
Piece piece = selectedPiece.GetComponent <Piece>();
board.DropPiece(piece, hitPoint);
// Deselect the piece
selectedPiece = null;
}
}
}