Example usage for com.google.gwt.typedarrays.shared TypedArrays createUint16Array

Introduction

In this page you can find the example usage for com.google.gwt.typedarrays.shared TypedArrays createUint16Array.

Prototype

public static Uint16Array createUint16Array(int length) 

Source Link

Document

Create a Uint16Array instance of length elements, backed by a new ArrayBuffer .

Usage

From source file:thothbot.parallax.plugins.sprite.SpritePlugin.java

License:Open Source License

public SpritePlugin(WebGLRenderer renderer, Scene scene) {
    super(renderer, scene);

    this.sprite = new SpriteGeometry();

    WebGLRenderingContext gl = getRenderer().getGL();

    sprite.vertices = TypedArrays.createFloat64Array(8 + 8);
    sprite.faces = TypedArrays.createUint16Array(6);

    int i = 0;/*from w  ww .  j  a  v a  2  s .  c  om*/

    sprite.vertices.set(i++, -1);
    sprite.vertices.set(i++, -1); // vertex 0
    sprite.vertices.set(i++, 0);
    sprite.vertices.set(i++, 1); // uv 0

    sprite.vertices.set(i++, 1);
    sprite.vertices.set(i++, -1); // vertex 1
    sprite.vertices.set(i++, 1);
    sprite.vertices.set(i++, 1); // uv 1

    sprite.vertices.set(i++, 1);
    sprite.vertices.set(i++, 1); // vertex 2
    sprite.vertices.set(i++, 1);
    sprite.vertices.set(i++, 0); // uv 2

    sprite.vertices.set(i++, -1);
    sprite.vertices.set(i++, 1); // vertex 3
    sprite.vertices.set(i++, 0);
    sprite.vertices.set(i++, 0); // uv 3

    i = 0;

    sprite.faces.set(i++, 0);
    sprite.faces.set(i++, 1);
    sprite.faces.set(i++, 2);
    sprite.faces.set(i++, 0);
    sprite.faces.set(i++, 2);
    sprite.faces.set(i++, 3);

    sprite.vertexBuffer = gl.createBuffer();
    sprite.elementBuffer = gl.createBuffer();

    gl.bindBuffer(BufferTarget.ARRAY_BUFFER, sprite.vertexBuffer);
    gl.bufferData(BufferTarget.ARRAY_BUFFER, sprite.vertices, BufferUsage.STATIC_DRAW);

    gl.bindBuffer(BufferTarget.ELEMENT_ARRAY_BUFFER, sprite.elementBuffer);
    gl.bufferData(BufferTarget.ELEMENT_ARRAY_BUFFER, sprite.faces, BufferUsage.STATIC_DRAW);

    sprite.shader = new SpriteShader();
    sprite.shader.buildProgram(gl);
}

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