Saran Tunyasuvunakool
3577e2cf8b
PiperOrigin-RevId: 434731612 Change-Id: I0cfda3e7a3d1c72036764986efc252ffa1b8c6b0
98 lines
3.5 KiB
C#
98 lines
3.5 KiB
C#
// Copyright 2019 DeepMind Technologies Limited
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using NUnit.Framework;
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using UnityEngine;
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using UnityEngine.TestTools;
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namespace Mujoco {
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[TestFixture]
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public class MjStlMeshParserTests {
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private Mesh _originalMesh;
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[SetUp]
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public void SetUp() {
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_originalMesh = new Mesh();
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_originalMesh.vertices = new Vector3[] {
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new Vector3(0, 0, 2), new Vector3(1, 0, 2), new Vector3(0, 1, 2)
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};
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_originalMesh.triangles = new int[] {0, 1, 2};
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_originalMesh.normals = new Vector3[] {
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new Vector3(0, 0, 1), new Vector3(0, 0, 1), new Vector3(0, 0, 1)
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};
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}
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[Test]
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public void RoundrobinMeshParsing() {
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var serializedMesh = StlMeshParser.SerializeBinary(_originalMesh);
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var restoredMesh = StlMeshParser.ParseBinary(serializedMesh, Vector3.one);
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Assert.That(restoredMesh.vertices, Has.Length.EqualTo(_originalMesh.vertices.Length));
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Assert.That(restoredMesh.normals, Has.Length.EqualTo(_originalMesh.normals.Length));
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Assert.That(restoredMesh.triangles, Has.Length.EqualTo(_originalMesh.triangles.Length));
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}
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[Test]
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public void VertexPositionsSerialization() {
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var serializedMesh = StlMeshParser.SerializeBinary(_originalMesh);
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var restoredMesh = StlMeshParser.ParseBinary(serializedMesh, Vector3.one);
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Assert.That(
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restoredMesh.vertices[restoredMesh.triangles[0]],
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Is.EqualTo(_originalMesh.vertices[_originalMesh.triangles[0]]));
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Assert.That(
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restoredMesh.vertices[restoredMesh.triangles[1]],
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Is.EqualTo(_originalMesh.vertices[_originalMesh.triangles[1]]));
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Assert.That(
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restoredMesh.vertices[restoredMesh.triangles[2]],
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Is.EqualTo(_originalMesh.vertices[_originalMesh.triangles[2]]));
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}
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[Test]
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public void ProcessDuplicatesSharedVertices() {
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_originalMesh.triangles = new int[] {0, 0, 2};
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var serializedMesh = StlMeshParser.SerializeBinary(_originalMesh);
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var restoredMesh = StlMeshParser.ParseBinary(serializedMesh, Vector3.one);
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Assert.That(
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restoredMesh.vertices[restoredMesh.triangles[0]],
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Is.EqualTo(_originalMesh.vertices[_originalMesh.triangles[0]]));
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Assert.That(
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restoredMesh.vertices[restoredMesh.triangles[1]],
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Is.EqualTo(_originalMesh.vertices[_originalMesh.triangles[1]]));
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Assert.That(
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restoredMesh.vertices[restoredMesh.triangles[2]],
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Is.EqualTo(_originalMesh.vertices[_originalMesh.triangles[2]]));
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}
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[Test]
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public void VertexNormalsAreRcalculated() {
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_originalMesh.normals = new Vector3[] {
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new Vector3(1, 0, 0), new Vector3(0, 1, 0), new Vector3(0, 0, 1)
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};
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var serializedMesh = StlMeshParser.SerializeBinary(_originalMesh);
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var restoredMesh = StlMeshParser.ParseBinary(serializedMesh, Vector3.one);
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Assert.That(restoredMesh.normals[0], Is.EqualTo(Vector3.forward));
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Assert.That(restoredMesh.normals[1], Is.EqualTo(Vector3.forward));
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Assert.That(restoredMesh.normals[2], Is.EqualTo(Vector3.forward));
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}
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}
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}
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