Example usage for com.google.gwt.typedarrays.client Float32Array create

Introduction

In this page you can find the example usage for com.google.gwt.typedarrays.client Float32Array create.

Prototype

public static final native Float32Array create(JsArrayNumber data) ;

Source Link

Document

Create a new ArrayBuffer with enough bytes to hold array.length elements of this typed array, then create a typed array view referring to the full buffer.

Usage

From source file:com.googlecode.gwtgl.example.client.examples.coloredtriangle.binding.ColoredTriangleBindingExample.java

License:Apache License

/**
 * Initializes the buffer containing the vertex and color coordinates.
 *//*  w  ww.  j  av  a  2s  . com*/
private void initBuffers() {
    // create the vertexBuffer
    // One Triangle with 3 Points  3 coordinates
    vertexBuffer = glContext.createBuffer();
    glContext.bindBuffer(WebGLRenderingContext.ARRAY_BUFFER, vertexBuffer);
    float[] vertices = new float[] { 0.0f, 1.0f, -5.0f, // x y z des ersten Dreieckpunktes
            -1.0f, -1.0f, -5.0f, // x y z des zweiten Dreieckpunktes
            1.0f, -1.0f, -5.0f // x y z des dritten Dreieckpunktes
    };
    glContext.bufferData(WebGLRenderingContext.ARRAY_BUFFER, Float32Array.create(vertices),
            WebGLRenderingContext.STATIC_DRAW);

    // create the colorBuffer
    colorBuffer = glContext.createBuffer();
    glContext.bindBuffer(WebGLRenderingContext.ARRAY_BUFFER, colorBuffer);
    float[] colors = new float[] { 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f };
    glContext.bufferData(WebGLRenderingContext.ARRAY_BUFFER, Float32Array.create(colors),
            WebGLRenderingContext.STATIC_DRAW);

    // create the indexBuffer
    indexBuffer = glContext.createBuffer();
    glContext.bindBuffer(WebGLRenderingContext.ELEMENT_ARRAY_BUFFER, indexBuffer);
    int[] indices = new int[] { 0, 1, 2 };
    glContext.bufferData(WebGLRenderingContext.ELEMENT_ARRAY_BUFFER, Uint16Array.create(indices),
            WebGLRenderingContext.STATIC_DRAW);
    checkErrors();
}

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From source file:com.googlecode.gwtgl.example.client.examples.skybox.SkyboxExample.java

License:Apache License

/**
 * Initializes the buffers for vertex coordinates, normals and texture
 * coordinates./*from w  w  w .j a  va  2  s.  c o m*/
 */
private void initBuffers() {
    buffer = glContext.createBuffer();
    glContext.bindBuffer(WebGLRenderingContext.ARRAY_BUFFER, buffer);

    Float32Array vertices = Float32Array.create(cube.getVertices());
    texCoordsOffset = vertices.getByteLength();
    Float32Array texCoords = Float32Array.create(cube.getTexCoords());

    glContext.bufferData(WebGLRenderingContext.ARRAY_BUFFER,
            vertices.getByteLength() + texCoords.getByteLength(), WebGLRenderingContext.STATIC_DRAW);

    glContext.bufferSubData(WebGLRenderingContext.ARRAY_BUFFER, 0, vertices);
    glContext.bufferSubData(WebGLRenderingContext.ARRAY_BUFFER, texCoordsOffset, texCoords);

    checkErrors();
}

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From source file:com.googlecode.gwtgl.example.client.examples.texturedcube.binding.TexturedCubeBindingExample.java

License:Apache License

/**
 * Initializes the buffers for vertex coordinates, normals and texture
 * coordinates./* ww  w  . ja v  a  2s. com*/
 */
private void initBuffers() {
    vertexBuffer = glContext.createBuffer();
    glContext.bindBuffer(WebGLRenderingContext.ARRAY_BUFFER, vertexBuffer);
    glContext.bufferData(WebGLRenderingContext.ARRAY_BUFFER, Float32Array.create(cube.getVertices()),
            WebGLRenderingContext.STATIC_DRAW);
    vertexTextureCoordBuffer = glContext.createBuffer();
    glContext.bindBuffer(WebGLRenderingContext.ARRAY_BUFFER, vertexTextureCoordBuffer);
    glContext.bufferData(WebGLRenderingContext.ARRAY_BUFFER, Float32Array.create(cube.getTexCoords()),
            WebGLRenderingContext.STATIC_DRAW);
    checkErrors();
}

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From source file:com.googlecode.gwtgl.example.client.examples.whitetriangle.WhiteTriangleExample.java

License:Apache License

/**
 * Initializes the buffer containing the vertex coordinates.
 *//*from   w ww.j ava 2 s .  com*/
private void initVertexBuffer() {
    // One Triangle with 3 Points  3 coordinates
    vertexBuffer = glContext.createBuffer();
    glContext.bindBuffer(WebGLRenderingContext.ARRAY_BUFFER, vertexBuffer);
    float[] vertices = new float[] { 0.0f, 1.0f, -5.0f, // x y z des ersten
            // Dreieckpunktes
            -1.0f, -1.0f, -5.0f, // x y z des zweiten Dreieckpunktes
            1.0f, -1.0f, -5.0f // x y z des dritten Dreieckpunktes
    };
    glContext.bufferData(WebGLRenderingContext.ARRAY_BUFFER, Float32Array.create(vertices),
            WebGLRenderingContext.STATIC_DRAW);

}

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From source file:com.googlecode.gwtgl.wrapper.FloatArray.java

License:Apache License

/**
 * Create a new Float32Array object of the given length with a new underlying ArrayBuffer large enough to hold length elements of the specific type. Data in the buffer is initialized to 0.
 * //from   w  ww . j  a v  a 2  s.  c  om
 * @param length
 */
public FloatArray(int length) {
    super(Float32Array.create(length));
}

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From source file:com.googlecode.gwtgl.wrapper.FloatArray.java

License:Apache License

/**
 * Create a new Float32Array object with a new underlying ArrayBuffer large enough to hold the given data, then copy the passed data into the buffer.
 * /*  www.  j  a v  a 2s  . c  om*/
 * @param array
 */
public FloatArray(Float32Array array) {
    super(Float32Array.create(array));
}

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From source file:com.googlecode.gwtgl.wrapper.FloatArray.java

License:Apache License

/**
 * Create a new Float32Array object with a new underlying ArrayBuffer large enough to hold the given data, then copy the passed data into the buffer.
 * /*from ww  w.  j a v a  2 s . c o  m*/
 * @param array
 */
public FloatArray(float[] array) {
    super(Float32Array.create(array));
}

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From source file:com.googlecode.gwtgl.wrapper.FloatArray.java

License:Apache License

/**
 * Create a new Float32Array object using the passed ArrayBuffer for its storage.
 * // ww  w.j a  v  a 2s . co m
 * @param buffer
 */
public FloatArray(ArrayBuffer buffer) {
    super(Float32Array.create(buffer));
}

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From source file:com.googlecode.gwtgl.wrapper.WebGLWrapper.java

License:Apache License

/**
 * Wrapps {@link com.googlecode.gwtgl.binding.WebGLRenderingContext#uniformMatrix2fv(WebGLUniformLocation location, boolean transpose, Float32Array value)}
 * @param location Specifies the location of the uniform value to be modified
 * @param transpose Specifies whether to transpose the matrix as the values are loaded into the uniform variable
 * @param values Specifies an array of values that will be used to update the specified uniform variable
 *///  w w w  .ja  v a 2  s  .  c om
public void uniformMatrix2fv(WebGLUniformLocation location, boolean transpose, float[] values) {
    glContext.uniformMatrix2fv(location, transpose, Float32Array.create(values));
}

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From source file:com.googlecode.gwtgl.wrapper.WebGLWrapper.java

License:Apache License

/**
 * wrapps {@link com.googlecode.gwtgl.binding.WebGLRenderingContext#uniformMatrix3fv(WebGLUniformLocation location, boolean transpose, Float32Array value)}
 * @param location Specifies the location of the uniform value to be modified
 * @param transpose Specifies whether to transpose the matrix as the values are loaded into the uniform variable
 * @param values Specifies an array of values that will be used to update the specified uniform variable
 *//*w w w  .j a  va  2 s . c  o  m*/
public void uniformMatrix3fv(WebGLUniformLocation location, boolean transpose, float[] values) {
    glContext.uniformMatrix3fv(location, transpose, Float32Array.create(values));
}

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