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

Example 26 with Mesh

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

the class ModelCache method end.

/** Finishes creating the cache, must be called after a call to {@link #begin()}, only after this call the cache will be valid
	 * (until the next call to {@link #begin()}). Calling this method will process all renderables added using one of the add(...)
	 * methods and will combine them if possible. */
public void end() {
    if (!building)
        throw new GdxRuntimeException("Call begin() prior to calling end()");
    building = false;
    if (items.size == 0)
        return;
    sorter.sort(camera, items);
    int itemCount = items.size;
    int initCount = renderables.size;
    final Renderable first = items.get(0);
    VertexAttributes vertexAttributes = first.meshPart.mesh.getVertexAttributes();
    Material material = first.material;
    int primitiveType = first.meshPart.primitiveType;
    int offset = renderables.size;
    meshBuilder.begin(vertexAttributes);
    MeshPart part = meshBuilder.part("", primitiveType, meshPartPool.obtain());
    renderables.add(obtainRenderable(material, primitiveType));
    for (int i = 0, n = items.size; i < n; ++i) {
        final Renderable renderable = items.get(i);
        final VertexAttributes va = renderable.meshPart.mesh.getVertexAttributes();
        final Material mat = renderable.material;
        final int pt = renderable.meshPart.primitiveType;
        final boolean sameMesh = va.equals(vertexAttributes) && // comparing indices and vertices...
        renderable.meshPart.size + meshBuilder.getNumVertices() < Short.MAX_VALUE;
        final boolean samePart = sameMesh && pt == primitiveType && mat.same(material, true);
        if (!samePart) {
            if (!sameMesh) {
                final Mesh mesh = meshBuilder.end(meshPool.obtain(vertexAttributes, meshBuilder.getNumVertices(), meshBuilder.getNumIndices()));
                while (offset < renderables.size) renderables.get(offset++).meshPart.mesh = mesh;
                meshBuilder.begin(vertexAttributes = va);
            }
            final MeshPart newPart = meshBuilder.part("", pt, meshPartPool.obtain());
            final Renderable previous = renderables.get(renderables.size - 1);
            previous.meshPart.offset = part.offset;
            previous.meshPart.size = part.size;
            part = newPart;
            renderables.add(obtainRenderable(material = mat, primitiveType = pt));
        }
        meshBuilder.setVertexTransform(renderable.worldTransform);
        meshBuilder.addMesh(renderable.meshPart.mesh, renderable.meshPart.offset, renderable.meshPart.size);
    }
    final Mesh mesh = meshBuilder.end(meshPool.obtain(vertexAttributes, meshBuilder.getNumVertices(), meshBuilder.getNumIndices()));
    while (offset < renderables.size) renderables.get(offset++).meshPart.mesh = mesh;
    final Renderable previous = renderables.get(renderables.size - 1);
    previous.meshPart.offset = part.offset;
    previous.meshPart.size = part.size;
}

Example 27 with Mesh

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

the class PointSpriteParticleBatch method allocParticlesData.

@Override
protected void allocParticlesData(int capacity) {
    vertices = new float[capacity * CPU_VERTEX_SIZE];
    if (renderable.meshPart.mesh != null)
        renderable.meshPart.mesh.dispose();
    renderable.meshPart.mesh = new Mesh(false, capacity, 0, CPU_ATTRIBUTES);
}

Example 28 with Mesh

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

the class FloatTextureTest method createQuad.

private void createQuad() {
    if (quad != null)
        return;
    quad = new Mesh(true, 4, 6, new VertexAttribute(Usage.Position, 3, "a_position"), new VertexAttribute(Usage.ColorUnpacked, 4, "a_color"), new VertexAttribute(Usage.TextureCoordinates, 2, "a_texCoords"));
    quad.setVertices(new float[] { -1, -1, 0, 1, 1, 1, 1, 0, 1, 1, -1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, -1, 1, 0, 1, 1, 1, 1, 0, 0 });
    quad.setIndices(new short[] { 0, 1, 2, 2, 3, 0 });
}

Example 29 with Mesh

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

the class MipMap2D method create.

@Override
public void create() {
    String vertexShader = "uniform float u_offset;      \n" + "attribute vec4 a_position;   \n" + "attribute vec2 a_texCoord;   \n" + "varying vec2 v_texCoord;     \n" + "void main()                  \n" + "{                            \n" + "   gl_Position = a_position; \n" + "   gl_Position.x += u_offset;\n" + "   v_texCoord = a_texCoord;  \n" + "}                            \n";
    String fragmentShader = "#ifdef GL_ES\n" + "precision mediump float;\n" + "#endif\n" + "varying vec2 v_texCoord;                            \n" + "uniform sampler2D s_texture;                        \n" + "void main()                                         \n" + "{                                                   \n" + "  gl_FragColor = texture2D( s_texture, v_texCoord );\n" + "}                                                   \n";
    shader = new ShaderProgram(vertexShader, fragmentShader);
    mesh = new Mesh(true, 4, 6, new VertexAttribute(Usage.Position, 4, "a_position"), new VertexAttribute(Usage.TextureCoordinates, 2, "a_texCoord"));
    float[] vertices = { // Position 0
    -0.5f, // Position 0
    0.5f, // Position 0
    0.0f, // Position 0
    1.5f, // TexCoord 0
    0.0f, // TexCoord 0
    0.0f, // Position 1
    -0.5f, // Position 1
    -0.5f, // Position 1
    0.0f, // Position 1
    0.75f, // TexCoord 1
    0.0f, // TexCoord 1
    1.0f, // Position 2
    0.5f, // Position 2
    -0.5f, // Position 2
    0.0f, // Position 2
    0.75f, // TexCoord 2
    1.0f, // TexCoord 2
    1.0f, // Position 3
    0.5f, // Position 3
    0.5f, // Position 3
    0.0f, // Position 3
    1.5f, // TexCoord 3
    1.0f, // TexCoord 3
    0.0f };
    short[] indices = { 0, 1, 2, 0, 2, 3 };
    mesh.setVertices(vertices);
    mesh.setIndices(indices);
    createTexture();
}

Example 30 with Mesh

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

the class TextureArrayTest method create.

@Override
public void create() {
    GL30Profiler.enable();
    ShaderProgram.prependVertexCode = Gdx.app.getType().equals(Application.ApplicationType.Desktop) ? "#version 140\n #extension GL_EXT_texture_array : enable\n" : "#version 300 es\n";
    ShaderProgram.prependFragmentCode = Gdx.app.getType().equals(Application.ApplicationType.Desktop) ? "#version 140\n #extension GL_EXT_texture_array : enable\n" : "#version 300 es\n";
    String[] texPaths = new String[] { "data/g3d/materials/Searing Gorge.jpg", "data/g3d/materials/Lava Cracks.jpg", "data/g3d/materials/Deep Fire.jpg" };
    camera = new PerspectiveCamera(67, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
    camera.position.set(8, 10f, 20f);
    camera.lookAt(10, 0, 10);
    camera.up.set(0, 1, 0);
    camera.update();
    cameraController = new FirstPersonCameraController(camera);
    Gdx.input.setInputProcessor(cameraController);
    textureArray = new TextureArray(texPaths);
    textureArray.setWrap(Texture.TextureWrap.Repeat, Texture.TextureWrap.Repeat);
    shaderProgram = new ShaderProgram(Gdx.files.internal("data/shaders/texturearray.vert"), Gdx.files.internal("data/shaders/texturearray.frag"));
    System.out.println(shaderProgram.getLog());
    int vertexStride = 6;
    int vertexCount = 100 * 100;
    terrain = new Mesh(false, vertexCount * 6, 0, new VertexAttributes(VertexAttribute.Position(), new VertexAttribute(VertexAttributes.Usage.TextureCoordinates, 3, ShaderProgram.TEXCOORD_ATTRIBUTE + 0)));
    Pixmap data = new Pixmap(Gdx.files.internal("data/g3d/heightmap.png"));
    float[] vertices = new float[vertexCount * vertexStride * 6];
    int idx = 0;
    for (int i = 0; i < 100 - 1; i++) {
        for (int j = 0; j < 100 - 1; j++) {
            idx = addVertex(i, j, vertices, data, idx);
            idx = addVertex(i, j + 1, vertices, data, idx);
            idx = addVertex(i + 1, j, vertices, data, idx);
            idx = addVertex(i, j + 1, vertices, data, idx);
            idx = addVertex(i + 1, j + 1, vertices, data, idx);
            idx = addVertex(i + 1, j, vertices, data, idx);
        }
    }
    terrain.setVertices(vertices);
    data.dispose();
}