//handle mouse input by casting a ray from the cursor through the camera at the mesh collider and returning the index of the nearest vertex
int HandleMouseInput()
{
RaycastHit hit;
mc.Raycast(Camera.main.ScreenPointToRay(Input.mousePosition), out hit, Mathf.Infinity);
cursorPoint = hit.point; // used for the green gizmo, see under Gizmos
Vector3 gp = grid.WorldToGrid(hit.point); // the point that was hit in grid coordinates
return(RowColumn2Index(Mathf.RoundToInt(-gp.z) + 1, Mathf.RoundToInt(gp.x) + 1)); // remember, the index is related to the grid coordinates
}
//Lukker Update
/** Finder ud af om man må bevæge sig i den givne retning */
Vector3 FindNextFace()
{
//we will be operating in grid space, so convert the position
Vector3 newPosition = grid.WorldToGrid(transform.localPosition);
//Add one grid unit onto position in the picked direction
BevaegeRetning(ref newPosition);
//return the position in world space
return(grid.GridToWorld(newPosition));
}
Vector3 FindNextFace()
{
//we will be operating in grid space, so convert the position
Vector3 newPosition = grid.WorldToGrid(transform.position);
//Retninger
Vector3 opVec = new Vector3(270, 0, 0);
Vector3 nedVec = new Vector3(90, 180, 0);
Vector3 hoejreVec = new Vector3(0, 90, 270);
Vector3 venstreVec = new Vector3(0, 270, 90);
//first let's pick a random number for one of the four possible directions
int i = Random.Range(0, 4);
//now add one grid unit onto position in the picked direction
if (i == 0)
{
newPosition = newPosition + new Vector3(1, 0, 0);
rotation = hoejreVec;
}
else if (i == 1)
{
newPosition = newPosition + new Vector3(-1, 0, 0);
rotation = venstreVec;
}
else if (i == 2)
{
newPosition = newPosition + new Vector3(0, 1, 0);
rotation = opVec;
}
else if (i == 3)
{
newPosition = newPosition + new Vector3(0, -1, 0);
rotation = nedVec;
}
ani.SetBool("Run", true);
transform.rotation = Quaternion.Euler(rotation);
//if we would wander off beyond the size of the grid turn the other way around
/*for (int j = 0; j < 2; j++) {
* if (Mathf.Abs (newPosition [j]) > grid.size [j])
* newPosition [j] -= Mathf.Sign (newPosition [j]) * 2.0f;
* }*/
//return the position in world space
return(grid.GridToWorld(newPosition));
}
Vector3 FindNextFace()
{
//we will be operating in grid space, so convert the position
Vector3 newPosition = grid.WorldToGrid(cachedTransform.position);
//first let's pick a random number for one of the four possible directions
int i = Random.Range(0, 4);
//now add one grid unit onto position in the picked direction
if (i == 0)
{
newPosition = newPosition + new Vector3(1, 0, 0);
}
else if (i == 1)
{
newPosition = newPosition + new Vector3(-1, 0, 0);
}
else if (i == 2)
{
newPosition = newPosition + new Vector3(0, 1, 0);
}
else if (i == 3)
{
newPosition = newPosition + new Vector3(0, -1, 0);
}
//if we would wander off beyond the size of the grid turn the other way around
for (int j = 0; j < 2; j++)
{
if (Mathf.Abs(newPosition[j]) > grid.size[j] / grid.spacing[j])
{
newPosition[j] -= Mathf.Sign(newPosition[j]) * 2.0f;
}
}
//return the position in world space
return(grid.GridToWorld(newPosition));
}
/// <summary>Move the snake into a direction</summary>
private void Move(Vector3 dir)
{
// first check if the destination we want to move towards is within bounds; if not we print a message
if (segments.Count > 0) // if the snake has no head we can't do any check, so make sure there is at least one segment
{
if (OutsideRange(grid.WorldToGrid(segments[0].position + dir)))
{
Debug.Log("Illegal Move, turn around!");
return;
}
}
// now let's grow our snake; we grow only one segment per turn
if (grow > 0)
{
Vector3 tailPos = segments.Count > 0 ? segments.Last().position : transform.position; // if the list is empty (no head) we spawn our head where the snake object lies
var newSegment = Instantiate(segmentPrefab) as Transform;
newSegment.parent = transform; // this isn't really needed, but it keeps things organized
newSegment.position = tailPos; // place the new segment at the tail
segments.Add(newSegment); // and append it to the list
--grow; // decrement the growth counter
}
movable = false; // we are ready to move, so stop all movment input
// from behind move every segment to the position of its predecessor; note that the animation is on hold until every movement has been assigned
for (int i = segments.Count - 1; i > 0; --i)
{
StartCoroutine(MoveWithSpeed(segments[i], segments[i - 1].position));
}
// finally, move the head
StartCoroutine(MoveWithSpeed(segments[0], segments[0].position + dir));
// all movement has been issued, now we can release the segments
onHold = false;
}
public Vector3 WorldToGrid(Vector3 world)
{
return(primary.WorldToGrid(world));
}