1
2package com.badlogic.gdx.tests.g3d;
3
4import com.badlogic.gdx.Gdx;
5import com.badlogic.gdx.Input.Keys;
6import com.badlogic.gdx.graphics.Color;
7import com.badlogic.gdx.graphics.GL20;
8import com.badlogic.gdx.graphics.Mesh;
9import com.badlogic.gdx.graphics.Texture;
10import com.badlogic.gdx.graphics.VertexAttribute;
11import com.badlogic.gdx.graphics.VertexAttributes;
12import com.badlogic.gdx.graphics.VertexAttributes.Usage;
13import com.badlogic.gdx.graphics.g3d.Environment;
14import com.badlogic.gdx.graphics.g3d.Material;
15import com.badlogic.gdx.graphics.g3d.Model;
16import com.badlogic.gdx.graphics.g3d.ModelBatch;
17import com.badlogic.gdx.graphics.g3d.ModelInstance;
18import com.badlogic.gdx.graphics.g3d.attributes.BlendingAttribute;
19import com.badlogic.gdx.graphics.g3d.attributes.ColorAttribute;
20import com.badlogic.gdx.graphics.g3d.attributes.TextureAttribute;
21import com.badlogic.gdx.graphics.g3d.environment.DirectionalLight;
22import com.badlogic.gdx.graphics.g3d.model.Animation;
23import com.badlogic.gdx.graphics.g3d.model.Node;
24import com.badlogic.gdx.graphics.g3d.utils.AnimationController;
25import com.badlogic.gdx.graphics.g3d.utils.MeshBuilder;
26import com.badlogic.gdx.graphics.g3d.utils.MeshPartBuilder;
27import com.badlogic.gdx.graphics.g3d.utils.ModelBuilder;
28import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
29import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
30import com.badlogic.gdx.math.Matrix4;
31import com.badlogic.gdx.math.Quaternion;
32import com.badlogic.gdx.math.Vector3;
33import com.badlogic.gdx.utils.Array;
34import com.badlogic.gdx.utils.ObjectMap;
35import com.badlogic.gdx.utils.Pool;
36import com.badlogic.gdx.utils.StringBuilder;
37
38/** @author Xoppa */
39public class MeshBuilderTest extends BaseG3dHudTest {
40	Model model;
41	Environment environment;
42
43	@Override
44	public void create () {
45		super.create();
46		environment = new Environment();
47		environment.set(new ColorAttribute(ColorAttribute.AmbientLight, 0.4f, 0.4f, 0.4f, 1.f));
48		environment.add(new DirectionalLight().set(0.8f, 0.8f, 0.8f, -0.5f, -1.0f, -0.8f));
49
50		modelsWindow.setVisible(false);
51
52		Texture texture = new Texture(Gdx.files.internal("data/badlogic.jpg"));
53
54		Material material = new Material(TextureAttribute.createDiffuse(texture));
55
56		MeshBuilder meshBuilder = new MeshBuilder();
57		meshBuilder.begin(Usage.Position | Usage.Normal | Usage.ColorPacked | Usage.TextureCoordinates, GL20.GL_TRIANGLES);
58		meshBuilder.box(1f, 1f, 1f);
59		Mesh mesh = new Mesh(true, meshBuilder.getNumVertices(), meshBuilder.getNumIndices(), meshBuilder.getAttributes());
60		mesh = meshBuilder.end(mesh);
61
62		ModelBuilder modelBuilder = new ModelBuilder();
63		modelBuilder.begin();
64		modelBuilder.manage(texture);
65
66		modelBuilder.node().id = "box";
67		MeshPartBuilder mpb = modelBuilder.part("box", GL20.GL_TRIANGLES, Usage.Position | Usage.Normal | Usage.TextureCoordinates
68			| Usage.ColorPacked, material);
69		mpb.setColor(Color.RED);
70		mpb.box(1f, 1f, 1f);
71
72		modelBuilder.node().id = "sphere";
73		mpb = modelBuilder.part("sphere", GL20.GL_TRIANGLES, Usage.Position | Usage.Normal | Usage.TextureCoordinates
74			| Usage.ColorPacked, material);
75		mpb.sphere(2f, 2f, 2f, 10, 5);
76
77		modelBuilder.node().id = "cone";
78		mpb = modelBuilder.part("cone", GL20.GL_TRIANGLES, Usage.Position | Usage.Normal | Usage.TextureCoordinates
79			| Usage.ColorPacked, material);
80		mpb.setVertexTransform(new Matrix4().rotate(Vector3.X, -45f));
81		mpb.cone(2f, 3f, 1f, 8);
82
83		modelBuilder.node().id = "cylinder";
84		mpb = modelBuilder.part("cylinder", GL20.GL_TRIANGLES, Usage.Position | Usage.Normal | Usage.TextureCoordinates
85			| Usage.ColorPacked, material);
86		mpb.setUVRange(1f, 1f, 0f, 0f);
87		mpb.cylinder(2f, 4f, 3f, 15);
88
89		modelBuilder.node().id = "mesh";
90		mpb = modelBuilder.part("mesh", GL20.GL_TRIANGLES, mesh.getVertexAttributes(), material);
91		Matrix4 transform = new Matrix4();
92		mpb.setVertexTransform(transform.setToTranslation(0, 2, 0));
93		mpb.addMesh(mesh);
94		mpb.setColor(Color.BLUE);
95		mpb.setVertexTransform(transform.setToTranslation(1, 1, 0));
96		mpb.addMesh(mesh);
97		mpb.setColor(null);
98		mpb.setVertexTransform(transform.setToTranslation(-1, 1, 0).rotate(Vector3.X, 45));
99		mpb.addMesh(mesh);
100		mpb.setVertexTransform(transform.setToTranslation(0, 1, 1));
101		mpb.setUVRange(0.75f, 0.75f, 0.25f, 0.25f);
102		mpb.addMesh(mesh);
103
104		model = modelBuilder.end();
105
106		instances.add(new ModelInstance(model, new Matrix4().trn(0f, 0f, 0f), "mesh", true));
107		instances.add(new ModelInstance(model, new Matrix4().trn(-5f, 0f, -5f), "box", true));
108		instances.add(new ModelInstance(model, new Matrix4().trn(5f, 0f, -5f), "sphere", true));
109		instances.add(new ModelInstance(model, new Matrix4().trn(-5f, 0f, 5f), "cone", true));
110		instances.add(new ModelInstance(model, new Matrix4().trn(5f, 0f, 5f), "cylinder", true));
111	}
112
113	@Override
114	protected void render (ModelBatch batch, Array<ModelInstance> instances) {
115		batch.render(instances, environment);
116	}
117
118	@Override
119	protected void onModelClicked (String name) {
120	}
121
122	@Override
123	public void dispose () {
124		super.dispose();
125		model.dispose();
126	}
127}
128