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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  package org.apache.commons.geometry.euclidean.threed.mesh;
    18
    19  import org.apache.commons.geometry.core.Transform;
    20  import org.apache.commons.geometry.euclidean.threed.Triangle3D;
    21  import org.apache.commons.geometry.euclidean.threed.Vector3D;
    22
    23  /** Interface representing a mesh composed entirely of triangular faces.
    24   */
    25  public interface TriangleMesh extends Mesh<TriangleMesh.Face> {
    26
    27      /** {@inheritDoc} */
    28      @Override
    29      TriangleMesh transform(Transform<Vector3D> transform);
    30
    31      /** Interface representing a single triangular face in a mesh.
    32       */
    33      interface Face extends Mesh.Face {
    34
    35          /** Get the first vertex in the face.
    36           * @return the first vertex in the face
    37           */
    38          Vector3D getPoint1();
    39
    40          /** Get the second vertex in the face.
    41           * @return the second vertex in the face
    42           */
    43          Vector3D getPoint2();
    44
    45          /** Get the third vertex in the face.
    46           * @return the third vertex in the face
    47           */
    48          Vector3D getPoint3();
    49
    50          /** {@inheritDoc} */
    51          @Override
    52          Triangle3D getPolygon();
    53      }
    54  }