Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2013-2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Amazon Software License (the "License"). You may not use
 * this file except in compliance with the License. A copy of the License is
 * located at
 *
 *      http://aws.amazon.com/asl/
 *
 * This Software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */

import android.view.InputDevice.MotionRange;

public class Main {
    private static int joystickScale(float in, MotionRange range, int zone) {
        if (range == null) {
            return 0; // no range means we don't have this control
        }
        float min = range.getMin();
        float max = range.getMax();

        if (in < min) {
            in = min;
        }
        if (in > max) {
            in = max;
        }

        if (Math.abs(in) >= range.getFlat()) {
            if (in >= 0) {
                min = range.getFlat();
                return (int) (((in - min) / (max - min)) * (32767 - zone)) + zone;
            } else {
                max = -range.getFlat();
                return (int) (((in - min) / (max - min)) * (32768 - zone) - 32768.0);
            }
        } else { // scaling up TO the zone; this is the nominally ZERO zone
            min = -range.getFlat();
            max = range.getFlat();
            return (int) (((in - min) / (max - min)) * zone * 2 - zone);
        }
    }
}