public static void BakeGrassData()
{
var ters = FindObjectsOfType <Terrain>();
var list = new List <TreeInfos>();
foreach (var terrain in ters)
{
List <TreeObjectInstance> treeObjectInstances = new List <TreeObjectInstance>();
var trees = terrain.terrainData.treeInstances;
foreach (var treeInstance in trees)
{
var pos = terrain.transform.TransformPoint(new Vector3(
treeInstance.position.x * terrain.terrainData.size.x,
treeInstance.position.y * terrain.terrainData.size.y,
treeInstance.position.z * terrain.terrainData.size.z));
var data = new TreeObjectInstance(pos,
new Vector3(0, treeInstance.rotation, 0),
new Vector3(treeInstance.widthScale, treeInstance.heightScale, treeInstance.widthScale), treeInstance.prototypeIndex);
treeObjectInstances.Add(data);
}
TreeInfos ti = new TreeInfos(terrain.name, treeObjectInstances);
list.Add(ti);
}
Stream fStream = new FileStream(DrawGrass.fileName, FileMode.Create, FileAccess.ReadWrite);
BinaryFormatter bf = new BinaryFormatter();
MemoryStream ms = new MemoryStream();
bf.Serialize(fStream, list);
fStream.Close();
}
public static void BakeGrassData()
{
try
{
var ters = FindObjectsOfType <Terrain>();
if (!CheckFBXSingleMesh(ters))
{
return;
}
var list = new List <TerrainTreeInfos>();
foreach (var terrain in ters)
{
List <TreeObjectInstance> treeObjectInstances = new List <TreeObjectInstance>();
var trees = terrain.terrainData.treeInstances;
foreach (var treeInstance in trees)
{
var pos = terrain.transform.TransformPoint(new Vector3(
treeInstance.position.x * terrain.terrainData.size.x,
treeInstance.position.y * terrain.terrainData.size.y,
treeInstance.position.z * terrain.terrainData.size.z));
var data = new TreeObjectInstance(pos,
new Vector3(0, treeInstance.rotation, 0),
new Vector3(treeInstance.widthScale, treeInstance.heightScale, treeInstance.widthScale), treeInstance.prototypeIndex);
treeObjectInstances.Add(data);
}
// var meshPaths = terrain.terrainData.treePrototypes.Select(m=>Path.GetFileNameWithoutExtension((AssetDatabase.GetAssetPath(m.prefab.GetComponent<MeshFilter>().sharedMesh)))).ToList();
var meshPaths = terrain.terrainData.treePrototypes.Select(m => m.prefab.name).ToList();
TerrainTreeInfos ti = new TerrainTreeInfos(terrain.name, treeObjectInstances, meshPaths);
list.Add(ti);
}
Stream fStream = new FileStream("Assets/Res/Resources/ConceptDemo/Grass/Resources/GrassTransforms.bytes", FileMode.Create, FileAccess.ReadWrite);
BinaryFormatter bf = new BinaryFormatter();
MemoryStream ms = new MemoryStream();
bf.Serialize(fStream, list);
fStream.Close();
Debug.Log("缓存草信息完成");
AssetDatabase.Refresh();
}
catch (Exception e)
{
Debug.LogError("缓存草信息发生错误");
throw;
}
}
