Examples with Mesh com.badlogic.gdx.graphics.Mesh used on opensource projects

Example 16 with Mesh

use of com.badlogic.gdx.graphics.Mesh in project libgdx by libgdx.

the class VoxelWorld method getRenderables.

@Override
public void getRenderables(Array<Renderable> renderables, Pool<Renderable> pool) {
    renderedChunks = 0;
    for (int i = 0; i < chunks.length; i++) {
        VoxelChunk chunk = chunks[i];
        Mesh mesh = meshes[i];
        if (dirty[i]) {
            int numVerts = chunk.calculateVertices(vertices);
            numVertices[i] = numVerts / 4 * 6;
            mesh.setVertices(vertices, 0, numVerts * VoxelChunk.VERTEX_SIZE);
            dirty[i] = false;
        }
        if (numVertices[i] == 0)
            continue;
        Renderable renderable = pool.obtain();
        renderable.material = materials[i];
        renderable.meshPart.mesh = mesh;
        renderable.meshPart.offset = 0;
        renderable.meshPart.size = numVertices[i];
        renderable.meshPart.primitiveType = GL20.GL_TRIANGLES;
        renderables.add(renderable);
        renderedChunks++;
    }
}

Example 17 with Mesh

use of com.badlogic.gdx.graphics.Mesh in project libgdx by libgdx.

the class HelloTriangle method create.

@Override
public void create() {
    String vertexShader = "attribute vec4 vPosition;    \n" + "void main()                  \n" + "{                            \n" + "   gl_Position = vPosition;  \n" + "}                            \n";
    String fragmentShader = "#ifdef GL_ES\n" + "precision mediump float;\n" + "#endif\n" + "void main()                                  \n" + "{                                            \n" + "  gl_FragColor = vec4 ( 1.0, 1.0, 1.0, 1.0 );\n" + "}";
    shader = new ShaderProgram(vertexShader, fragmentShader);
    mesh = new Mesh(true, 3, 0, new VertexAttribute(Usage.Position, 3, "vPosition"));
    float[] vertices = { 0.0f, 0.5f, 0.0f, -0.5f, -0.5f, 0.0f, 0.5f, -0.5f, 0.0f };
    mesh.setVertices(vertices);
}

Example 18 with Mesh

use of com.badlogic.gdx.graphics.Mesh in project libgdx by libgdx.

the class Shapes method genCube.

public static Mesh genCube() {
    Mesh mesh = new Mesh(true, 24, 36, new VertexAttribute(Usage.Position, 3, "a_position"), new VertexAttribute(Usage.Normal, 3, "a_normal"), new VertexAttribute(Usage.TextureCoordinates, 2, "a_texcoords"));
    float[] cubeVerts = { -0.5f, -0.5f, -0.5f, -0.5f, -0.5f, 0.5f, 0.5f, -0.5f, 0.5f, 0.5f, -0.5f, -0.5f, -0.5f, 0.5f, -0.5f, -0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, -0.5f, -0.5f, -0.5f, -0.5f, -0.5f, 0.5f, -0.5f, 0.5f, 0.5f, -0.5f, 0.5f, -0.5f, -0.5f, -0.5f, -0.5f, 0.5f, -0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, -0.5f, 0.5f, -0.5f, -0.5f, -0.5f, -0.5f, -0.5f, 0.5f, -0.5f, 0.5f, 0.5f, -0.5f, 0.5f, -0.5f, 0.5f, -0.5f, -0.5f, 0.5f, -0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, -0.5f };
    float[] cubeNormals = { 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f };
    float[] cubeTex = { 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f };
    float[] vertices = new float[24 * 8];
    int pIdx = 0;
    int nIdx = 0;
    int tIdx = 0;
    for (int i = 0; i < vertices.length; ) {
        vertices[i++] = cubeVerts[pIdx++];
        vertices[i++] = cubeVerts[pIdx++];
        vertices[i++] = cubeVerts[pIdx++];
        vertices[i++] = cubeNormals[nIdx++];
        vertices[i++] = cubeNormals[nIdx++];
        vertices[i++] = cubeNormals[nIdx++];
        vertices[i++] = cubeTex[tIdx++];
        vertices[i++] = cubeTex[tIdx++];
    }
    short[] indices = { 0, 2, 1, 0, 3, 2, 4, 5, 6, 4, 6, 7, 8, 9, 10, 8, 10, 11, 12, 15, 14, 12, 14, 13, 16, 17, 18, 16, 18, 19, 20, 23, 22, 20, 22, 21 };
    mesh.setVertices(vertices);
    mesh.setIndices(indices);
    return mesh;
}

Example 19 with Mesh

use of com.badlogic.gdx.graphics.Mesh in project libgdx by libgdx.

the class GwtTest method create.

@Override
public void create() {
    Preferences pref = Gdx.app.getPreferences("test");
    boolean resultb = pref.getBoolean("test");
    int resulti = pref.getInteger("test");
    shader = new ShaderProgram(Gdx.files.internal("data/shaders/shader-vs.glsl"), Gdx.files.internal("data/shaders/shader-fs.glsl"));
    if (!shader.isCompiled())
        throw new GdxRuntimeException(shader.getLog());
    mesh = new Mesh(VertexDataType.VertexBufferObject, true, 6, 0, VertexAttribute.Position(), VertexAttribute.TexCoords(0));
    mesh.setVertices(new float[] { -0.5f, -0.5f, 0, 0, 1, 0.5f, -0.5f, 0, 1, 1, 0.5f, 0.5f, 0, 1, 0, 0.5f, 0.5f, 0, 1, 0, -0.5f, 0.5f, 0, 0, 0, -0.5f, -0.5f, 0, 0, 1 });
    texture = new Texture(new Pixmap(Gdx.files.internal("data/badlogic.jpg")), true);
    texture.setFilter(TextureFilter.MipMap, TextureFilter.Linear);
    String params = Gdx.files.internal("data/gwttestparams.txt").readString();
    numSprites = Integer.parseInt(params);
    batch = new SpriteBatch();
    positions = new ArrayList<Vector2>();
    for (int i = 0; i < numSprites; i++) {
        positions.add(new Vector2(MathUtils.random() * Gdx.graphics.getWidth(), MathUtils.random() * Gdx.graphics.getHeight()));
    }
    sprite = new Sprite(texture);
    sprite.setSize(64, 64);
    sprite.setOrigin(32, 32);
    font = new BitmapFont(Gdx.files.internal("data/arial-15.fnt"), false);
    cache = font.newFontCache();
    cache.setColor(Color.RED);
    cache.setText("This is a Test", 0, 0);
    atlas = new TextureAtlas(Gdx.files.internal("data/pack"));
}

Example 20 with Mesh

use of com.badlogic.gdx.graphics.Mesh in project commons-gdx by gemserk.

the class Gdx2dMeshBuilder method build.

public Mesh build() {
    Mesh mesh = new Mesh(true, numVertices, 0, vertexAttributes);
    float[] realData = new float[numVertices * vertexSize];
    System.arraycopy(vertices, 0, realData, 0, realData.length);
    mesh.setVertices(realData);
    numSetTexCoords = 0;
    vertexIdx = 0;
    numVertices = 0;
    return mesh;
}