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The testbed for JBox2D, a 2d java physics engine, ported from the C++ Box2d engine.
/*******************************************************************************
* Copyright (c) 2013, Daniel Murphy
* 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.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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package org.jbox2d.tests.math;
import org.jbox2d.common.MathUtils;
public class SinCosTable {
public static final float TWOPI = (float) (Math.PI * 2);
public static boolean LERP_LOOKUP = true;
public final float precision;
public final int tableLength;
public final float[] sinLUT;
//public final float[] cosLUT;
public SinCosTable(float argPrecision){
precision = argPrecision;
tableLength = (int) Math.ceil(TWOPI / precision);
sinLUT = new float[tableLength];
//cosLUT = new float[tableLength];
for(int i=0; i