Java tutorial
//package com.java2s; /* * Copyright 2015 The Android Open Source Project * * 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. */ public class Main { static float circularInterpolate(float a, float b, float f) { if (Math.abs(b - a) > 180) { if (b > a) { a += 360; } else { b += 360; } } return (a + ((b - a) * f)) % 360; } }