Java tutorial
//package com.java2s; /* * Copyright 2014 Google Inc. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.nio.ByteBuffer; import java.nio.ByteOrder; import java.nio.FloatBuffer; public class Main { private static final int SIZEOF_FLOAT = 4; /** * Allocates a direct float buffer, and populates it with the float array data. */ public static FloatBuffer createFloatBuffer(float[] coords) { // Allocate a direct ByteBuffer, using 4 bytes per float, and copy coords into it. ByteBuffer bb = ByteBuffer.allocateDirect(coords.length * SIZEOF_FLOAT); bb.order(ByteOrder.nativeOrder()); FloatBuffer fb = bb.asFloatBuffer(); fb.put(coords); fb.position(0); return fb; } }