tests/gdx-tests/src/com/badlogic/gdx/tests/g3d/voxel/VoxelTest.java

   1 /*******************************************************************************\r
   2  * Copyright 2011 See AUTHORS file.\r
   3  * \r
   4  * Licensed under the Apache License, Version 2.0 (the "License");\r
   5  * you may not use this file except in compliance with the License.\r
   6  * You may obtain a copy of the License at\r
   7  * \r
   8  *   http://www.apache.org/licenses/LICENSE-2.0\r
   9  * \r
  10  * Unless required by applicable law or agreed to in writing, software\r
  11  * distributed under the License is distributed on an "AS IS" BASIS,\r
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  13  * See the License for the specific language governing permissions and\r
  14  * limitations under the License.\r
  15  ******************************************************************************/
  16
  17 package com.badlogic.gdx.tests.g3d.voxel;
  18
  19 import com.badlogic.gdx.Gdx;
  20 import com.badlogic.gdx.graphics.Color;
  21 import com.badlogic.gdx.graphics.GL10;
  22 import com.badlogic.gdx.graphics.GL20;
  23 import com.badlogic.gdx.graphics.Mesh;
  24 import com.badlogic.gdx.graphics.PerspectiveCamera;
  25 import com.badlogic.gdx.graphics.Texture;
  26 import com.badlogic.gdx.graphics.VertexAttribute;
  27 import com.badlogic.gdx.graphics.VertexAttributes.Usage;
  28 import com.badlogic.gdx.graphics.g2d.BitmapFont;
  29 import com.badlogic.gdx.graphics.g2d.SpriteBatch;
  30 import com.badlogic.gdx.graphics.g2d.TextureRegion;
  31 import com.badlogic.gdx.graphics.g3d.Environment;
  32 import com.badlogic.gdx.graphics.g3d.Material;
  33 import com.badlogic.gdx.graphics.g3d.Model;
  34 import com.badlogic.gdx.graphics.g3d.ModelBatch;
  35 import com.badlogic.gdx.graphics.g3d.ModelInstance;
  36 import com.badlogic.gdx.graphics.g3d.attributes.ColorAttribute;
  37 import com.badlogic.gdx.graphics.g3d.environment.DirectionalLight;
  38 import com.badlogic.gdx.graphics.g3d.shaders.DefaultShader;
  39 import com.badlogic.gdx.graphics.g3d.shaders.GLES10Shader;
  40 import com.badlogic.gdx.graphics.g3d.utils.CameraInputController;
  41 import com.badlogic.gdx.graphics.g3d.utils.FirstPersonCameraController;
  42 import com.badlogic.gdx.graphics.g3d.utils.ModelBuilder;
  43 import com.badlogic.gdx.math.MathUtils;
  44 import com.badlogic.gdx.math.Vector3;
  45 import com.badlogic.gdx.tests.utils.GdxTest;
  46 import com.badlogic.gdx.tests.utils.PerspectiveCamController;
  47
  48 public class VoxelTest extends GdxTest {
  49         SpriteBatch spriteBatch;
  50         BitmapFont font;
  51         ModelBatch modelBatch;
  52         PerspectiveCamera camera;
  53         Environment lights;
  54         FirstPersonCameraController controller;
  55         VoxelWorld voxelWorld;
  56
  57         @Override
  58         public void create () {
  59                 spriteBatch = new SpriteBatch();
  60                 font = new BitmapFont();
  61                 modelBatch = new ModelBatch();
  62                 DefaultShader.defaultCullFace = GL20.GL_FRONT;
  63                 GLES10Shader.defaultCullFace = GL20.GL_FRONT;
  64                 camera = new PerspectiveCamera(67, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
  65                 camera.near = 0.5f;
  66                 camera.far = 1000;
  67                 controller = new FirstPersonCameraController(camera);
  68                 Gdx.input.setInputProcessor(controller);
  69
  70                 lights = new Environment();
  71                 lights.set(new ColorAttribute(ColorAttribute.AmbientLight, 0.4f, 0.4f, 0.4f, 1.f));
  72                 lights.add(new DirectionalLight().set(1, 1, 1, 0, -1, 0));
  73
  74                 Texture texture = new Texture(Gdx.files.internal("data/g3d/tiles.png"));
  75                 TextureRegion[][] tiles = TextureRegion.split(texture, 32, 32);
  76
  77                 MathUtils.random.setSeed(0);
  78                 voxelWorld = new VoxelWorld(tiles[0], 20, 4, 20);
  79                 PerlinNoiseGenerator.generateVoxels(voxelWorld, 0, 63, 10);
  80                 float camX = voxelWorld.voxelsX / 2f;
  81                 float camZ = voxelWorld.voxelsZ / 2f;
  82                 float camY = voxelWorld.getHighest(camX, camZ) + 1.5f;
  83                 camera.position.set(camX, camY, camZ);
  84         }
  85
  86         @Override
  87         public void render () {
  88                 Gdx.gl.glClearColor(0.4f, 0.4f, 0.4f, 1f);
  89                 Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT | GL20.GL_DEPTH_BUFFER_BIT);
  90                 modelBatch.begin(camera);
  91                 modelBatch.render(voxelWorld, lights);
  92                 modelBatch.end();
  93                 controller.update();
  94
  95                 spriteBatch.begin();
  96                 font.draw(spriteBatch, "fps: " + Gdx.graphics.getFramesPerSecond() + ", #visible chunks: " + voxelWorld.renderedChunks + "/" + voxelWorld.numChunks, 0, 20);
  97                 spriteBatch.end();
  98         }
  99
 100         @Override
 101         public void resize (int width, int height) {
 102                 spriteBatch.getProjectionMatrix().setToOrtho2D(0, 0, width, height);
 103                 camera.viewportWidth = width;
 104                 camera.viewportHeight = height;
 105                 camera.update();
 106         }
 107
 108         @Override
 109         public boolean needsGL20 () {
 110                 return false;
 111         }
 112 }