void DrawHandles()
{
// draw main grid and and its subdivisions
Vector3 size = new Vector3(foliage.Terrain.terrainData.size.x, 1f, foliage.Terrain.terrainData.size.z);
Handles.DrawWireCube(foliage.TerrainCentre, size);
Utils.Grid.GridPlane grid = foliage.GetGrid();
if (grid != null)
{
foreach (Utils.Grid.TerrainGridNodes n in grid.TerrainGridNode)
{
// Gizmos.color = (n.walkable) ? Color.white : Color.red;
Vector3 handleSize;
Handles.color = Color.blue;
foreach (var item in n.gridPlanes)
{
foreach (var node in item.TerrainGridNode)
{
handleSize = new Vector3(node.Diameter, 0.1f, node.Diameter);
Handles.DrawWireCube(node.WorldPos, handleSize);
}
}
if (n.DistanceFromPlayer > foliage.foliageSettings.foliageFadeDistance)
{
Handles.color = Color.yellow;
Handles.DrawLine(n.WorldPos, GameObject.FindGameObjectWithTag("Player").transform.position);
}
Handles.color = Color.white;
handleSize = new Vector3(grid.NodeDiameter, 0.1f, grid.NodeDiameter);
Handles.DrawWireCube(n.WorldPos, handleSize);
}
}
}
public void Init()
{
// get the terrain
if (!terrain)
{
terrain = Terrain.activeTerrain;
}
if (terrain == null)
{
Debug.LogError("No terrain selected"); return;
}
// get terrain centre
Vector3 size = terrain.terrainData.size;
terrainCentre = new Vector3(size.x / 2, 0f, size.z / 2);
grid = new Utils.Grid.GridPlane();
Vector2 gridSize = new Vector2(terrain.terrainData.size.x, terrain.terrainData.size.z);
grid.CreateGrid(gridSize, 1000 / foliageSettings.gridNodeDivisons, terrainCentre);
Utils.Grid.TerrainGridNodes node;
for (int x = 0; x < grid.TerrainGridNode.Length / foliageSettings.gridNodeDivisons; x++)
{
for (int y = 0; y < grid.TerrainGridNode.Length / foliageSettings.gridNodeDivisons; y++)
{
node = grid.TerrainGridNode[x, y];
// add a subdivision to this node
Vector2 subGridSize = new Vector2(node.Diameter, node.Diameter);
Utils.Grid.GridPlane subGrid = new Utils.Grid.GridPlane();
subGrid.CreateGrid(subGridSize, node.Diameter / foliageSettings.subGrid_0_Divisions, node.WorldPos);
node.gridPlanes.Add(subGrid);
}
}
}
