// This coroutine has the connector line follow the mouse position.
private IEnumerator MouseDragLineRenderer()
{
// Keep track of the line being active.
lineActive = true;
// The end of the line will follow the mouse position while the mouse left click is held down.
while (Input.GetMouseButton(0))
{
Vector3 screenPoint = Input.mousePosition;
screenPoint.z = 9;
Vector3 worldPoint = Camera.main.ScreenToWorldPoint(screenPoint);
DotConnector.SetPosition(DotConnector.positionCount - 1, worldPoint);
yield return(null);
}
// Once the click has been released, we turn off the score graphic and check if any dots have been scored.
dotScoreGraphicXPos = 0.0f;
DotScoreGraphicTop.SetPosition(0, new Vector3(dotScoreGraphicXPos, 0, 0));
DotScoreGraphicTop.SetPosition(1, new Vector3(dotScoreGraphicXPos, 0, 0));
DotScoreGraphicBot.SetPosition(0, new Vector3(dotScoreGraphicXPos, 0, 0));
DotScoreGraphicBot.SetPosition(1, new Vector3(dotScoreGraphicXPos, 0, 0));
DotConnector.positionCount = 1;
DotScoreGraphicLeft.gameObject.SetActive(false);
DotScoreGraphicRight.gameObject.SetActive(false);
StartCoroutine(GameBoardManager.GameBoardManagerInstance.DotsScored());
lineActive = false;
}
// This is called when we confirm that a dot should be added to the chain.
private void DotConnected(Transform Dot)
{
// Update the previous dot.
PreviousDot = Dot;
// Add the dot to the connected dots list.
GameBoardManager.GameBoardManagerInstance.ConnectedDots.Add(Dot);
// The position of the new dot.
Vector3 Pos = new Vector3(Dot.position.x,
Dot.position.y,
-1);
// Update the dot connector line and increase the score graphic.
DotConnector.SetPosition(DotConnector.positionCount - 1, Pos);
DotConnector.positionCount++;
dotScoreGraphicXPos *= dotScoreGraphicGrowAmount;
DotScoreGraphicTop.SetPosition(0, new Vector3(-dotScoreGraphicXPos, 0, 0));
DotScoreGraphicTop.SetPosition(1, new Vector3(dotScoreGraphicXPos, 0, 0));
DotScoreGraphicBot.SetPosition(0, new Vector3(-dotScoreGraphicXPos, 0, 0));
DotScoreGraphicBot.SetPosition(1, new Vector3(dotScoreGraphicXPos, 0, 0));
}
// This is called when we connect the dots in a square.
private void MadeASquare()
{
// Add all dots of the chains color to the chain of connected dots.
foreach (Transform Dot in GameBoardManager.GameBoardManagerInstance.GameBoardParent)
{
if ((int)Dot.GetComponent <IndividualDot>().ThisDotsColor == (int)CurrentlySelectedDotColor)
{
GameBoardManager.GameBoardManagerInstance.ConnectedDots.Add(Dot);
}
}
// Set the flag to avoid the chosen color when respawning dots.
// Since there is a none color option, we want to subtract 1 from the enum int to account for only colors.
GameBoardManager.GameBoardManagerInstance.DotReassignmentAvoidColor((int)CurrentlySelectedDotColor - 1);
// Trigger the square shapped score graphics in celebration.
DotScoreGraphicTop.SetPosition(0, new Vector3(-4.5f, 0, 0));
DotScoreGraphicTop.SetPosition(1, new Vector3(4.5f, 0, 0));
DotScoreGraphicBot.SetPosition(0, new Vector3(-4.5f, 0, 0));
DotScoreGraphicBot.SetPosition(1, new Vector3(4.5f, 0, 0));
DotScoreGraphicLeft.gameObject.SetActive(true);
DotScoreGraphicLeft.material = StartingDot.GetComponent <Renderer>().material;
DotScoreGraphicRight.gameObject.SetActive(true);
DotScoreGraphicRight.material = StartingDot.GetComponent <Renderer>().material;
}
// This is called when we want to disconnect a dot (the undo line option).
private void DotDisconnected(Transform Dot)
{
// Update the previous dot.
PreviousDot = Dot;
// This is basically the reverse of adding a dot. We shrink the score graphic and remove the dot from the connected list.
Vector3 Pos = new Vector3(Dot.position.x,
Dot.position.y,
-1);
DotConnector.SetPosition(DotConnector.positionCount - 1, Pos);
DotConnector.positionCount--;
dotScoreGraphicXPos /= dotScoreGraphicGrowAmount;
DotScoreGraphicTop.SetPosition(0, new Vector3(-dotScoreGraphicXPos, 0, 0));
DotScoreGraphicTop.SetPosition(1, new Vector3(dotScoreGraphicXPos, 0, 0));
DotScoreGraphicBot.SetPosition(0, new Vector3(-dotScoreGraphicXPos, 0, 0));
DotScoreGraphicBot.SetPosition(1, new Vector3(dotScoreGraphicXPos, 0, 0));
GameBoardManager.GameBoardManagerInstance.ConnectedDots.RemoveAt(GameBoardManager.GameBoardManagerInstance.ConnectedDots.Count - 1);
}
// This is called when a dot is clicked to begin a line.
public void StartLine(Transform ClickedDot)
{
// Keep track of the starting dot of the line as well as the previous dot for the next dot in the line.
StartingDot = ClickedDot;
PreviousDot = StartingDot;
// Add the starting dot to the list of connected dots.
GameBoardManager.GameBoardManagerInstance.ConnectedDots.Add(ClickedDot);
// This sets the connection lines position and color equal to the starting dot.
Vector3 Pos = new Vector3(ClickedDot.position.x,
ClickedDot.position.y,
-1);
DotConnector.SetPosition(0, Pos);
DotConnector.material = ClickedDot.GetComponent <Renderer>().material;
// When no dot is selected, the line renderer has only 1 position so that it disappears. Here we increase the position count to be able to see the line.
DotConnector.positionCount++;
// We set the score graphic equal to it's starting value. I found that 0.1 felt right for this.
dotScoreGraphicXPos = dotScoreGraphicStartingValue;
DotScoreGraphicTop.SetPosition(0, new Vector3(-dotScoreGraphicXPos, 0, 0));
DotScoreGraphicTop.SetPosition(1, new Vector3(dotScoreGraphicXPos, 0, 0));
DotScoreGraphicBot.SetPosition(0, new Vector3(-dotScoreGraphicXPos, 0, 0));
DotScoreGraphicBot.SetPosition(1, new Vector3(dotScoreGraphicXPos, 0, 0));
DotScoreGraphicTop.material = ClickedDot.GetComponent <Renderer>().material;
DotScoreGraphicBot.material = ClickedDot.GetComponent <Renderer>().material;
// Start the coroutine which has the connecting line follow the mouse.
StartCoroutine(MouseDragLineRenderer());
}
