1 files changed, 54 insertions, 0 deletions
diff --git a/extern/draco/draco/src/draco/core/bounding_box.h b/extern/draco/draco/src/draco/core/bounding_box.h
new file mode 100644
index 00000000000..1c20fad8bf2
--- /dev/null
+++ b/extern/draco/draco/src/draco/core/bounding_box.h
@@ -0,0 +1,54 @@
+// Copyright 2018 The Draco Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+#ifndef DRACO_CORE_BOUNDING_BOX_H_
+#define DRACO_CORE_BOUNDING_BOX_H_
+
+#include "draco/core/vector_d.h"
+
+namespace draco {
+
+// Class for detecting the bounding box of a point_cloud or mesh.
+// Use the minimum point and the maximum point to define the bounding box.
+// TODO(xiaoxumeng): Change the class of BoundingBox to a template, similar to
+// draco/src/draco/core/vector_d.h
+class BoundingBox {
+ public:
+  // Initialization
+  BoundingBox(const Vector3f &min_point_in, const Vector3f &max_point_in);
+
+  inline const Vector3f &min_point() const { return min_point_; }
+  inline const Vector3f &max_point() const { return max_point_; }
+
+  // Conditionally updates the bounding box.
+  // TODO(xiaoxumeng): Change the function to a template function and change the
+  // argument to an iterator.
+  inline void update_bounding_box(const Vector3f &new_point) {
+    for (int i = 0; i < 3; i++) {
+      if (new_point[i] < min_point_[i]) {
+        min_point_[i] = new_point[i];
+      }
+      if (new_point[i] > max_point_[i]) {
+        max_point_[i] = new_point[i];
+      }
+    }
+  }
+
+ private:
+  Vector3f min_point_;
+  Vector3f max_point_;
+};
+}  // namespace draco
+
+#endif  //  DRACO_CORE_BOUNDING_BOX_H_