1 2 package com.badlogic.gdx.tests.g3d; 3 4 import com.badlogic.gdx.Gdx; 5 import com.badlogic.gdx.graphics.Color; 6 import com.badlogic.gdx.graphics.GL20; 7 import com.badlogic.gdx.graphics.Pixmap; 8 import com.badlogic.gdx.graphics.Texture; 9 import com.badlogic.gdx.graphics.VertexAttributes.Usage; 10 import com.badlogic.gdx.graphics.g3d.Environment; 11 import com.badlogic.gdx.graphics.g3d.Material; 12 import com.badlogic.gdx.graphics.g3d.ModelBatch; 13 import com.badlogic.gdx.graphics.g3d.ModelInstance; 14 import com.badlogic.gdx.graphics.g3d.Renderable; 15 import com.badlogic.gdx.graphics.g3d.attributes.ColorAttribute; 16 import com.badlogic.gdx.graphics.g3d.attributes.TextureAttribute; 17 import com.badlogic.gdx.graphics.g3d.environment.DirectionalLight; 18 import com.badlogic.gdx.graphics.g3d.shaders.DefaultShader; 19 import com.badlogic.gdx.math.MathUtils; 20 import com.badlogic.gdx.math.collision.BoundingBox; 21 import com.badlogic.gdx.utils.Array; 22 23 /** Simple test showing how to use a height map. Uses {@link HeightField}. 24 * @author Xoppa */ 25 public class HeightMapTest extends BaseG3dTest { 26 HeightField field; 27 Renderable ground; 28 Environment environment; 29 boolean morph = true; 30 Texture texture; 31 32 @Override create()33 public void create () { 34 super.create(); 35 environment = new Environment(); 36 environment.set(new ColorAttribute(ColorAttribute.AmbientLight, 0.4f, 0.4f, 0.4f, 1.f)); 37 environment.add(new DirectionalLight().set(0.8f, 0.8f, 0.8f, -0.5f, -1.0f, -0.8f)); 38 39 texture = new Texture(Gdx.files.internal("data/badlogic.jpg")); 40 41 int w = 20, h = 20; 42 Pixmap data = new Pixmap(Gdx.files.internal("data/g3d/heightmap.png")); 43 field = new HeightField(true, data, true, Usage.Position | Usage.Normal | Usage.ColorUnpacked | Usage.TextureCoordinates); 44 data.dispose(); 45 field.corner00.set(-10f, 0, -10f); 46 field.corner10.set(10f, 0, -10f); 47 field.corner01.set(-10f, 0, 10f); 48 field.corner11.set(10f, 0, 10f); 49 field.color00.set(0, 0, 1, 1); 50 field.color01.set(0, 1, 1, 1); 51 field.color10.set(1, 0, 1, 1); 52 field.color11.set(1, 1, 1, 1); 53 field.magnitude.set(0f, 5f, 0f); 54 field.update(); 55 56 ground = new Renderable(); 57 ground.environment = environment; 58 ground.meshPart.mesh = field.mesh; 59 ground.meshPart.primitiveType = GL20.GL_TRIANGLES; 60 ground.meshPart.offset = 0; 61 ground.meshPart.size = field.mesh.getNumIndices(); 62 ground.meshPart.update(); 63 ground.material = new Material(TextureAttribute.createDiffuse(texture)); 64 } 65 66 @Override render(ModelBatch batch, Array<ModelInstance> instances)67 protected void render (ModelBatch batch, Array<ModelInstance> instances) { 68 batch.render(instances); 69 batch.render(ground); 70 } 71 72 @Override dispose()73 public void dispose () { 74 super.dispose(); 75 texture.dispose(); 76 field.dispose(); 77 } 78 } 79
