// Update is called once per frame
void Update()
{
// return if no lighthouse was selected since last update
if (m_selectedLighthouse == null)
{
return;
}
// get current mouseposition
var worldlocation = Camera.main.ScreenPointToRay(Input.mousePosition).origin;
worldlocation.z = -2f;
// move lighthouse to mouse position
// will update visibility polygon
m_selectedLighthouse.Pos = worldlocation;
// see if lighthouse was released
if (Input.GetMouseButtonUp(0))
{
//check whether lighthouse is over the island
if (!LevelPolygon.ContainsInside(m_selectedLighthouse.Pos))
{
// destroy the lighthouse
m_solution.RemoveLighthouse(m_selectedLighthouse);
Destroy(m_selectedLighthouse.gameObject);
UpdateLighthouseText();
}
// lighthouse no longer selected
m_selectedLighthouse = null;
CheckSolution();
}
}
public void InitLevel()
{
// clear old level
m_solution.Clear();
m_selectedLighthouse = null;
m_advanceButton.Disable();
// create new level
var level = m_levels[m_levelCounter];
LevelPolygon = level.Polygon;
m_maxNumberOfLighthouses = level.MaxNumberOfLighthouses;
m_levelMesh.Polygon = LevelPolygon;
// update text box
UpdateLighthouseText();
}
/// <summary>
/// Update the vision polygon for the given lighthouse.
/// Calculates the visibility polygon.
/// </summary>
/// <param name="m_lighthouse"></param>
public void UpdateVision(ArtGalleryLightHouse m_lighthouse)
{
if (LevelPolygon.ContainsInside(m_lighthouse.Pos))
{
// calculate new visibility polygon
var vision = VisibilitySweep.Vision(LevelPolygon, m_lighthouse.Pos);
if (vision == null)
{
throw new Exception("Vision polygon cannot be null");
}
// update lighthouse visibility
m_lighthouse.VisionPoly = vision;
m_lighthouse.VisionAreaMesh.Polygon = new Polygon2DWithHoles(vision);
}
else
{
// remove visibility polygon from lighthouse
m_lighthouse.VisionPoly = null;
m_lighthouse.VisionAreaMesh.Polygon = null;
}
}
/// <summary>
/// Add lighthouse to solution.
/// </summary>
/// <param name="m_lighthouse"></param>
public void AddLighthouse(ArtGalleryLightHouse m_lighthouse)
{
m_lighthouses.Add(m_lighthouse);
}
/// <summary>
/// Remove the given lighthouse from the solution
/// </summary>
/// <param name="m_lighthouse"></param>
public void RemoveLighthouse(ArtGalleryLightHouse m_lighthouse)
{
m_lighthouses.Remove(m_lighthouse);
Destroy(m_lighthouse);
}
/// <summary>
/// Set given lighthouse as selected one
/// </summary>
/// <param name="a_select"></param>
internal void SelectLighthouse(ArtGalleryLightHouse a_select)
{
m_selectedLighthouse = a_select;
}
