public override void OnInspectorGUI()
{
DrawDefaultInspector();
TreeGenerator tree = (TreeGenerator)target;
if (GUILayout.Button("Build"))
{
tree.Build();
}
}
public void CanGenerateSimpleTree()
{
// ARRANGE
var position = new Vector3(0, 0, 0);
// ACT
var treeGen = new TreeGenerator()
.SetTrunkGradient(_trunkGradient)
.SetFoliageGradient(_foliageGradient)
.SetPosition(position);
var vertCount = treeGen.CalculateVertexCount();
var meshData = new MeshData(DummyMeshIndex.Default, vertCount);
treeGen.Build(meshData);
// ASSERT
Assert.Greater(meshData.Vertices.Length, 0);
Assert.Greater(meshData.Triangles.Length, 0);
Assert.Greater(meshData.Colors.Length, 0);
}
private void CreateForest(IGameObject parent, Rule rule, Mesh mesh)
{
var trunkGradientKey = rule.Evaluate <string>("trunk-color");
var foliageGradientKey = rule.Evaluate <string>("foliage-color");
int treeFreq = (int)(1 / rule.EvaluateDefault <float>("tree-freq", 0.1f));
// TODO reuse tree builder?
// TODO behaviour should be set somehow
var node = new Node();
foreach (var triangle in mesh.Triangles)
{
// TODO reuse mesh and/or generator?
if (triangle.Id % treeFreq != 0)
{
continue;
}
var v0 = triangle.GetVertex(0);
var v1 = triangle.GetVertex(1);
var v2 = triangle.GetVertex(2);
var center = new Vector2d((v0.X + v1.X + v2.X) / 3, (v0.Y + v1.Y + v2.Y) / 3);
var elevation = ElevationProvider.GetElevation(center);
var treeGen = new TreeGenerator()
.SetTrunkGradient(CustomizationService.GetGradient(trunkGradientKey))
.SetFoliageGradient(CustomizationService.GetGradient(foliageGradientKey))
.SetPosition(new Vector3((float)center.X, elevation, (float)center.Y));
var meshData = new MeshData(MeshDestroyIndex.Default, treeGen.CalculateVertexCount());
meshData.GameObject = GameObjectFactory.CreateNew("tree");
meshData.MaterialKey = rule.GetMaterialKey();
treeGen.Build(meshData);
BuildObject(parent, meshData, rule, node);
}
}
/// <inheritdoc />
public override IGameObject BuildNode(Tile tile, Rule rule, Node node)
{
var mapPoint = GeoProjection.ToMapCoordinate(tile.RelativeNullPoint, node.Point);
var elevation = ElevationProvider.GetElevation(mapPoint);
var trunkGradientKey = rule.Evaluate <string>("trunk-color");
var foliageGradientKey = rule.Evaluate <string>("foliage-color");
var treeGen = new TreeGenerator()
.SetTrunkGradient(CustomizationService.GetGradient(trunkGradientKey))
.SetFoliageGradient(CustomizationService.GetGradient(foliageGradientKey))
.SetPosition(new Vector3((float)mapPoint.X, elevation, (float)mapPoint.Y));
var meshData = new MeshData(MeshDestroyIndex.Default, treeGen.CalculateVertexCount());
meshData.GameObject = GameObjectFactory.CreateNew("tree " + node.Id);
meshData.MaterialKey = rule.GetMaterialKey();
treeGen.Build(meshData);
BuildObject(tile.GameObject, meshData, rule, node);
return(meshData.GameObject);
}