private void OnTriggerEnter2D(Collider2D other)
{
// is it a virus?
if (other.CompareTag("virus"))
{
// find where on the grid this is
Vector3Int position = grid.WorldToCell(rayFrom.position);
tilemap.SetTile(position, null); // set tile at this position as null
rb.velocity = Vector2.zero; // stop any movement
chipstate = ChipStates.SCAN; // resume scan
}
}
void Scan()
{
rb.angularVelocity = turnSpeed;
Vector3 forward = transform.TransformDirection(Vector3.up) * rayDistance;
rb.velocity = transform.up * 0.3f;
// test for any hits
RaycastHit2D hit = Physics2D.Raycast(rayFrom.position, forward, rayDistance, rayCastOn);
if (hit.collider != null)
{
Debug.Log($"Hit {hit.collider.name}");
// draw red if hit
Debug.DrawRay(rayFrom.position, forward, Color.red);
rb.angularVelocity = 0;
chipstate = ChipStates.CLEAN;
}
else
{
// draws green if no hit
Debug.DrawRay(rayFrom.position, forward, Color.green);
}
}
