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 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);
}
public override void Apply(ProceduralLayer layer, TerrainWrapper wrapper)
{
const float margin = 0.01f;
var seed = layer.Seed;
var rand = new Random(seed);
var tBounds = wrapper.Terrain.GetBounds();
var step = StepDistance / tBounds.size.x;
var cellCount = Mathf.CeilToInt(tBounds.size.x / MinDistance);
bool[,] proximityCheck = new bool[cellCount, cellCount];
int counter = 0;
for (var u = margin; u < 1 - margin; u += step)
{
if (counter > MaxCount)
{
break;
}
for (var v = margin; v < 1 - margin; v += step)
{
if (counter > MaxCount)
{
break;
}
var cellX = Mathf.FloorToInt(u * cellCount);
var cellY = Mathf.FloorToInt(v * cellCount);
if (proximityCheck[cellX, cellY])
{
continue;
}
var normalizedPos = new Vector2(u, v);
var normal = wrapper.GetNormalFromHeightmap(normalizedPos);
if (normal.y > RequiredY)
{
continue;
}
var prefab = Prefabs.Random();
var prefabEntry = new PrefabObjectData()
{
Guid = Guid.NewGuid().ToString(),
Prefab = prefab,
Position = normalizedPos.x0z() + Offset.GetRand(rand),
Rotation = Rotation.GetRand(rand),
Scale = Scale.GetRand(rand),
};
layer.Objects.Add(prefabEntry);
counter++;
proximityCheck[cellX, cellY] = true;
}
}
Debug.Log(string.Format("GradientObjectPlacer placed {0} objects.", counter));
}