public static List <Vector3> CollectHierarchyVerts(GameObject root, BoxFace collectFace, float collectBoxScale, float collectEps)
{
var meshObjects = root.GetMeshObjectsInHierarchy();
var spriteObjects = root.GetSpriteObjectsInHierarchy();
if (meshObjects.Count == 0 && spriteObjects.Count == 0)
{
return(new List <Vector3>());
}
var boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectType.Mesh | GameObjectType.Sprite;
OBB hierarchyOBB = ObjectBounds.CalcHierarchyWorldOBB(root, boundsQConfig);
if (!hierarchyOBB.IsValid)
{
return(new List <Vector3>());
}
int faceAxisIndex = BoxMath.GetFaceAxisIndex(collectFace);
Vector3 faceCenter = BoxMath.CalcBoxFaceCenter(hierarchyOBB.Center, hierarchyOBB.Size, hierarchyOBB.Rotation, collectFace);
Vector3 faceNormal = BoxMath.CalcBoxFaceNormal(hierarchyOBB.Center, hierarchyOBB.Size, hierarchyOBB.Rotation, collectFace);
float sizeEps = collectEps * 2.0f;
Vector3 collectAABBSize = hierarchyOBB.Size;
collectAABBSize[faceAxisIndex] = (hierarchyOBB.Size[faceAxisIndex] * collectBoxScale) + sizeEps;
collectAABBSize[(faceAxisIndex + 1) % 3] += sizeEps;
collectAABBSize[(faceAxisIndex + 2) % 3] += sizeEps;
OBB collectOBB = new OBB(faceCenter + faceNormal * (-collectAABBSize[faceAxisIndex] * 0.5f + collectEps), collectAABBSize);
collectOBB.Rotation = hierarchyOBB.Rotation;
var collectedVerts = new List <Vector3>(80);
foreach (var meshObject in meshObjects)
{
Mesh mesh = meshObject.GetMesh();
RTMesh rtMesh = RTMeshDb.Get.GetRTMesh(mesh);
if (rtMesh == null)
{
continue;
}
var verts = rtMesh.OverlapVerts(collectOBB, meshObject.transform);
if (verts.Count != 0)
{
collectedVerts.AddRange(verts);
}
}
foreach (var spriteObject in spriteObjects)
{
var verts = CollectWorldSpriteVerts(spriteObject.GetSprite(), spriteObject.transform, collectOBB);
if (verts.Count != 0)
{
collectedVerts.AddRange(verts);
}
}
return(collectedVerts);
}
