Examples of com.badlogic.gdx.graphics.VertexAttribute

com.badlogic.gdx.graphics.VertexAttribute
A single vertex attribute defined by its {@link Usage}, its number of components and its shader alias. The Usage is needed for the fixed function pipeline of OpenGL ES 1.x. Generic attributes are not supported in the fixed function pipeline. The number of components defines how many components the attribute has. The alias defines to which shader attribute this attribute should bind. The alias is used by a {@link Mesh} when drawing with a {@link ShaderProgram}. The alias can be changed at any time. @author mzechner

    verts[V3] = 1f;


    verts[U4] = 0f;
    verts[V4] = 1f;


    Mesh tmpMesh = new Mesh(true, 4, 0, new VertexAttribute(
        Usage.Position, 2, "a_position"), new VertexAttribute(
        Usage.TextureCoordinates, 2, "a_texCoord"));


    tmpMesh.setVertices(verts);
    return tmpMesh;

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      start[i] = new Vector2();
      end[i] = new Vector2();
    }
    setDirection(direction);


    lightMesh = new Mesh(VertexDataType.VertexArray, staticLight, vertexNum, 0, new VertexAttribute(Usage.Position, 2,
      "vertex_positions"), new VertexAttribute(Usage.ColorPacked, 4, "quad_colors"),
      new VertexAttribute(Usage.Generic, 1, "s"));
    softShadowMesh = new Mesh(VertexDataType.VertexArray, staticLight, vertexNum, 0, new VertexAttribute(Usage.Position, 2,
      "vertex_positions"), new VertexAttribute(Usage.ColorPacked, 4, "quad_colors"),
      new VertexAttribute(Usage.Generic, 1, "s"));
    update();
  }

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    sin = new float[rays];
    cos = new float[rays];
    endX = new float[rays];
    endY = new float[rays];


    lightMesh = new Mesh(VertexDataType.VertexArray, false, vertexNum, 0, new VertexAttribute(Usage.Position, 2,
      "vertex_positions"), new VertexAttribute(Usage.ColorPacked, 4, "quad_colors"),
      new VertexAttribute(Usage.Generic, 1, "s"));
    softShadowMesh = new Mesh(VertexDataType.VertexArray, false, vertexNum * 2, 0, new VertexAttribute(Usage.Position, 2,
      "vertex_positions"), new VertexAttribute(Usage.ColorPacked, 4, "quad_colors"),
      new VertexAttribute(Usage.Generic, 1, "s"));
    setMesh();
  }

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  public PositionalLight(RayHandler rayHandler, int rays, Color color, float distance, float x, float y, float directionDegree) {
    super(rayHandler, rays, color, distance, directionDegree);
    start.x = x;
    start.y = y;


    lightMesh = new Mesh(VertexDataType.VertexArray, false, vertexNum, 0, new VertexAttribute(Usage.Position, 2,
      "vertex_positions"), new VertexAttribute(Usage.ColorPacked, 4, "quad_colors"),
      new VertexAttribute(Usage.Generic, 1, "s"));
    softShadowMesh = new Mesh(VertexDataType.VertexArray, false, vertexNum * 2, 0, new VertexAttribute(Usage.Position, 2,
      "vertex_positions"), new VertexAttribute(Usage.ColorPacked, 4, "quad_colors"),
      new VertexAttribute(Usage.Generic, 1, "s"));
    setMesh();
  }

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    verts[V3] = 1f;


    verts[U4] = 0f;
    verts[V4] = 1f;


    Mesh tmpMesh = new Mesh(true, 4, 0, new VertexAttribute(
        Usage.Position, 2, "a_position"), new VertexAttribute(
        Usage.TextureCoordinates, 2, "a_texCoord"));


    tmpMesh.setVertices(verts);
    return tmpMesh;

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      end[i] = new Vector2();
    }
    
    lightMesh = new Mesh(
        VertexDataType.VertexArray, staticLight, vertexNum, 0,
        new VertexAttribute(Usage.Position, 2, "vertex_positions"),
        new VertexAttribute(Usage.ColorPacked, 4, "quad_colors"),
        new VertexAttribute(Usage.Generic, 1, "s"));
    softShadowMesh = new Mesh(
        VertexDataType.VertexArray, staticLight, vertexNum, 0,
        new VertexAttribute(Usage.Position, 2, "vertex_positions"),
        new VertexAttribute(Usage.ColorPacked, 4, "quad_colors"),
        new VertexAttribute(Usage.Generic, 1, "s"));
    
    update();
  }

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    this.chain = (chain != null) ?
           new FloatArray(chain) : new FloatArray();
    
    lightMesh = new Mesh(
        VertexDataType.VertexArray, false, vertexNum, 0,
        new VertexAttribute(Usage.Position, 2, "vertex_positions"),
        new VertexAttribute(Usage.ColorPacked, 4, "quad_colors"),
        new VertexAttribute(Usage.Generic, 1, "s"));
    softShadowMesh = new Mesh(
        VertexDataType.VertexArray, false, vertexNum * 2,
        0, new VertexAttribute(Usage.Position, 2, "vertex_positions"),
        new VertexAttribute(Usage.ColorPacked, 4, "quad_colors"),
        new VertexAttribute(Usage.Generic, 1, "s"));
    setMesh();
  }

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   * @param defaultShader The default shader to use. This is not owned by the PolygonSpriteBatch and must be disposed separately. */
  public PolygonSpriteBatch (int size, ShaderProgram defaultShader) {
    // 32767 is max index, so 32767 / 3 - (32767 / 3 % 3) = 10920.
    if (size > 10920) throw new IllegalArgumentException("Can't have more than 10920 triangles per batch: " + size);


    mesh = new Mesh(VertexDataType.VertexArray, false, size, size * 3, new VertexAttribute(Usage.Position, 2,
      ShaderProgram.POSITION_ATTRIBUTE), new VertexAttribute(Usage.ColorPacked, 4, ShaderProgram.COLOR_ATTRIBUTE),
      new VertexAttribute(Usage.TextureCoordinates, 2, ShaderProgram.TEXCOORD_ATTRIBUTE + "0"));


    vertices = new float[size * VERTEX_SIZE];
    triangles = new short[size * 3];


    if (defaultShader == null) {

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   * @param defaultShader The default shader to use. This is not owned by the SpriteBatch and must be disposed separately. */
  public SpriteBatch (int size, ShaderProgram defaultShader) {
    // 32767 is max index, so 32767 / 6 - (32767 / 6 % 3) = 5460.
    if (size > 5460) throw new IllegalArgumentException("Can't have more than 5460 sprites per batch: " + size);


    mesh = new Mesh(VertexDataType.VertexArray, false, size * 4, size * 6, new VertexAttribute(Usage.Position, 2,
      ShaderProgram.POSITION_ATTRIBUTE), new VertexAttribute(Usage.ColorPacked, 4, ShaderProgram.COLOR_ATTRIBUTE),
      new VertexAttribute(Usage.TextureCoordinates, 2, ShaderProgram.TEXCOORD_ATTRIBUTE + "0"));


    projectionMatrix.setToOrtho2D(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());


    vertices = new float[size * Sprite.SPRITE_SIZE];

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    }


    final int numAttributes = attributes.size();
    if (locations == null) {
      for (int i = 0; i < numAttributes; i++) {
        final VertexAttribute attribute = attributes.get(i);
        final int location = shader.getAttributeLocation(attribute.alias);
        if (location < 0) continue;
        shader.enableVertexAttribute(location);


        shader.setVertexAttribute(location, attribute.numComponents, attribute.type, attribute.normalized, attributes.vertexSize,
            attribute.offset);
      }
    } else {
      for (int i = 0; i < numAttributes; i++) {
        final VertexAttribute attribute = attributes.get(i);
        final int location = locations[i];
        if (location < 0) continue;
        shader.enableVertexAttribute(location);


        shader.setVertexAttribute(location, attribute.numComponents, attribute.type, attribute.normalized, attributes.vertexSize,

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Related Classes of com.badlogic.gdx.graphics.VertexAttribute

bloom.Bloom

box2dLight.ChainLight

box2dLight.DirectionalLight

box2dLight.LightMap

box2dLight.PositionalLight

com.badlogic.gdx.graphics.g2d.PolygonSpriteBatch

com.badlogic.gdx.graphics.g2d.SpriteBatch

com.badlogic.gdx.graphics.g2d.SpriteCache

com.badlogic.gdx.graphics.g3d.shaders.DefaultShader

com.badlogic.gdx.graphics.g3d.shaders.DepthShader

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