/*
* Copyright (c) 2011, Shane Conder and Lauren Darcey
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* * Neither the name of the nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* = Mamlambo
*/
//package com.mamlambo.easy3d.helpers;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
class OpenGLUtilities {
public static final float PI = 3.14159265358979323846f;
static ByteBuffer getByteBufferFromByteArray(byte array[]) {
ByteBuffer buffer = ByteBuffer.allocateDirect(array.length);
buffer.put(array);
buffer.position(0);
return buffer;
}
static FloatBuffer getFloatBufferFromFloatArray(float array[]) {
ByteBuffer tempBuffer = ByteBuffer.allocateDirect(array.length * 4);
tempBuffer.order(ByteOrder.nativeOrder());
FloatBuffer buffer = tempBuffer.asFloatBuffer();
buffer.put(array);
buffer.position(0);
return buffer;
}
static IntBuffer getIntBufferFromIntArray(int array[]) {
ByteBuffer tempBuffer = ByteBuffer.allocateDirect(array.length * 4);
tempBuffer.order(ByteOrder.nativeOrder());
IntBuffer buffer = tempBuffer.asIntBuffer();
buffer.put(array);
buffer.position(0);
return buffer;
}
}