private void BuildPathTo(IntVector2 position)
{
// We aren't standing in the target, so find a path to it.
AStarResolver resolver = new AStarResolver(BoardManager.Board);
path = resolver.FindPath(this.position, position);
}
private string ResetPaths(string[] args)
{
if (path != null)
{
foreach (AiNode aiNode in path)
{
if (aiNode.Walkable)
{
aiNode.Owner.RemoveComponent <MeshRendererComponent>();
}
}
path.Clear();
}
Random rnd = new Random();
AiNode startNode = nodes[rnd.Next(0, 64), rnd.Next(0, 64)];
AiNode endNode = nodes[rnd.Next(0, 64), rnd.Next(0, 64)];
while (!startNode.Walkable)
{
startNode = nodes[rnd.Next(0, 64), rnd.Next(0, 64)];
}
while (!endNode.Walkable)
{
endNode = nodes[rnd.Next(0, 64), rnd.Next(0, 64)];
}
path = AStarResolver.FindPath(startNode, endNode, out bool found);
for (int i = 0; i < path.Count; i++)
{
path[i].Owner
.AddComponent(new LitMeshRendererComponent(DefaultFilepaths.DefaultLitShader, Prefabs.Cube, tex,
1));
}
startNode.Owner.GetComponent <LitMeshRendererComponent>().Textures[0] = beginTex;
endNode.Owner.GetComponent <LitMeshRendererComponent>().Textures[0] = endTex;
return("Success: " + found);
}
public void Setup()
{
resolver = new AStarResolver();
}
protected override void Update(float deltaTime)
{
if (ObjectUnderMouse(Owner.LocalPosition, out KeyValuePair <Collider, RayHit> hit)
) //We Check where we clicked on
{
AiNode node = hit.Key.Owner.GetComponent <AiNode>();
if (node != null)
{
if (Input.GetKey(Key.S)) //Setting the Start Point
{
LitMeshRendererComponent lmr =
node.Owner.GetComponent <LitMeshRendererComponent>();
ApplyTexture(lmr, purpleTex);
if (startNode != null && startNode != node)
{
ApplyTexture(startNode.Owner.GetComponent <LitMeshRendererComponent>(),
startNode.Walkable ? greenTex : redTex);
}
startNode = node;
}
else if (Input.GetKey(Key.E)) //Setting the End Point
{
LitMeshRendererComponent lmr =
node.Owner.GetComponent <LitMeshRendererComponent>();
ApplyTexture(lmr, purpleTex);
if (endNode != null && endNode != node)
{
ApplyTexture(endNode.Owner.GetComponent <LitMeshRendererComponent>(),
endNode.Walkable ? greenTex : redTex);
}
endNode = node;
}
}
}
//When Start and end Point is defined and space is pressed we calculate the path
if (startNode != null && endNode != null && Input.GetKey(Key.Space))
{
if (path != null) //First Clean the Old path, and reset the textures
{
for (int i = 0; i < path.Count; i++)
{
LitMeshRendererComponent lmr =
(path[i] as AiNode).Owner.GetComponent <LitMeshRendererComponent>();
ApplyTexture(lmr, path[i].Walkable ? greenTex : redTex);
}
}
//This line is doing the A*
path = AStarResolver.FindPath(startNode, endNode, out bool foundPath);
if (foundPath) //If there exists a path from start to end, we will make it visible
{
for (int i = 0; i < path.Count; i++)
{
LitMeshRendererComponent lmr =
(path[i] as AiNode).Owner.GetComponent <LitMeshRendererComponent>();
ApplyTexture(lmr, purpleTex);
}
}
}
//Escape Resets the Nodes color and removes the starting points
if (Input.GetKey(Key.Escape))
{
if (startNode != null)
{
ApplyTexture(startNode.Owner.GetComponent <LitMeshRendererComponent>(),
startNode.Walkable ? greenTex : redTex);
}
if (endNode != null)
{
ApplyTexture(endNode.Owner.GetComponent <LitMeshRendererComponent>(),
endNode.Walkable ? greenTex : redTex);
}
startNode = endNode = null;
if (path != null)
{
for (int i = 0; i < path.Count; i++)
{
LitMeshRendererComponent lmr =
(path[i] as AiNode).Owner.GetComponent <LitMeshRendererComponent>();
ApplyTexture(lmr, path[i].Walkable ? greenTex : redTex);
}
}
path = null;
}
}
