public override void Apply(ProceduralLayer layer, TerrainWrapper wrapper)
{
var trees = wrapper.CompoundTerrainData.Trees;
var tSize = wrapper.Terrain.terrainData.size;
var terrainY = wrapper.transform.position.y;
HashSet <string> removed = new HashSet <string>();
foreach (var treePair in trees)
{
var wPos = wrapper.Terrain.TreeToWorldPos(treePair.Value.Position);
var height = wrapper.GetCompoundHeight(null, wPos) * tSize.y;
wPos.y = terrainY + treePair.Value.Position.y + height;
RaycastHit hit;
if (Physics.Raycast(wPos + Vector3.up * 500, Vector3.down, out hit, 500, Mask) && ((hit.point - wPos).magnitude > Distance))
{
removed.Add(treePair.Key);
}
}
layer.TreeRemovals = removed.ToList();
foreach (var treeRemoval in layer.TreeRemovals)
{
trees.Remove(treeRemoval);
}
Debug.Log(string.Format("TreeRaycast deleted {0} trees", layer.TreeRemovals.Count));
wrapper.FinaliseTrees();
MiscUtilities.ClearProgressBar();
}
public override void Apply(ProceduralLayer layer, TerrainWrapper wrapper)
{
var objects = wrapper.CompoundTerrainData.Objects;
var tSize = wrapper.Terrain.terrainData.size;
List <string> toRemove = new List <string>();
foreach (var tree in objects)
{
if (!InvertPrefabMask && Prefabs.Count > 0 && !Prefabs.Contains(tree.Value.Data.Prefab))
{
continue;
}
if (InvertPrefabMask && Prefabs.Count > 0 && Prefabs.Contains(tree.Value.Data.Prefab))
{
continue;
}
var wPos = wrapper.Terrain.TreeToWorldPos(tree.Value.Data.Position);
wPos.y = wrapper.GetCompoundHeight(layer, wPos, true) * tSize.y;
var gradient = wrapper.GetNormalFromHeightmap(tree.Value.Data.Position.xz());
if (gradient.y < MinY)
{
toRemove.Add(tree.Key);
continue;
}
}
foreach (var guid in toRemove)
{
objects.Remove(guid);
}
Debug.LogFormat("TreeGradientFilter removed {0} trees", toRemove.Count);
}
public static Vector3 GetNormalFromHeightmap(this TerrainWrapper wrapper, Vector2 normalizedPos)
{
var tRes = wrapper.Terrain.terrainData.heightmapResolution;
var tSize = wrapper.Terrain.terrainData.size;
var x = Mathf.FloorToInt(normalizedPos.x * tRes);
var z = Mathf.FloorToInt(normalizedPos.y * tRes);
var p1 = wrapper.Terrain.HeightmapCoordToWorldPos(new Common.Coord(x, z));
var p2 = wrapper.Terrain.HeightmapCoordToWorldPos(new Common.Coord(x, z));
var p3 = wrapper.Terrain.HeightmapCoordToWorldPos(new Common.Coord(x + 1, z));
var p4 = wrapper.Terrain.HeightmapCoordToWorldPos(new Common.Coord(x, z + 1));
p1.y = wrapper.GetCompoundHeight(null, p1) * tSize.y;
p2.y = wrapper.GetCompoundHeight(null, p2) * tSize.y;
p3.y = wrapper.GetCompoundHeight(null, p3) * tSize.y;
p4.y = wrapper.GetCompoundHeight(null, p4) * tSize.y;
return(Vector3.Cross(p2 - p4, p1 - p3).normalized);
}
public override void Apply(ProceduralLayer layer, TerrainWrapper wrapper)
{
var trees = wrapper.CompoundTerrainData.Trees;
var tSize = wrapper.Terrain.terrainData.size;
List <string> toRemove = new List <string>();
foreach (var tree in trees)
{
if (!InvertPrefabMask && Prefabs.Count > 0 && !Prefabs.Contains(tree.Value.Prototype))
{
continue;
}
if (InvertPrefabMask && Prefabs.Count > 0 && Prefabs.Contains(tree.Value.Prototype))
{
continue;
}
var wPos = wrapper.Terrain.TreeToWorldPos(tree.Value.Position);
wPos.y = wrapper.GetCompoundHeight(layer, wPos, true) * tSize.y;
var gradient = wrapper.GetNormalFromHeightmap(tree.Value.Position.xz());
if (gradient.y < MinY)
{
//Debug.DrawLine(wPos, wPos + gradient, Color.red, 10);
toRemove.Add(tree.Key);
continue;
}
//Debug.DrawLine(wPos, wPos + gradient, Color.green, 10);
var yPos = Offset.Evaluate(gradient.y);
tree.Value.Position.y = Mathf.Min(yPos, tree.Value.Position.y);
/*Debug.DrawLine(wPos, wPos + Vector3.up * yPos, Color.yellow, 10);
* DebugHelper.DrawPoint(wPos, 0.1f, Color.yellow, 10);
* DebugHelper.DrawPoint(wPos + Vector3.up * yPos, 0.1f, Color.blue, 10);*/
}
foreach (var guid in toRemove)
{
trees.Remove(guid);
}
Debug.LogFormat("TreeGradientFilter removed {0} trees", toRemove.Count);
}