Java Linear Interpolate linearInterpolate(double v1, double v2, double amount)

Description

Do a linear interpolation between two values.

License

Apache License

Parameter

Parameter	Description
v1	the starting value
v2	the ending value
amount	the percentage to be between values

Return

the interpolated value

Declaration

public static double linearInterpolate(double v1, double v2, double amount) 

Method Source Code

//package com.java2s;
/*/*from  w ww . ja v a 2  s.com*/
 * Copyright (C) 2013 Google Inc.
 *
 * 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 {
    /**
     * Do a linear interpolation between two values.
     *
     * <p>
     * If {@code amount} is {@code 0.0}, the returned value will be {@code v1}. If
     * {@code amount} is {@code 1.0}, the returned value will be {@code v2}.
     *
     * @param v1
     *          the starting value
     * @param v2
     *          the ending value
     * @param amount
     *          the percentage to be between values
     *
     * @return the interpolated value
     */
    public static double linearInterpolate(double v1, double v2, double amount) {
        return (v2 - v1) * amount + v1;
    }
}

Related

1. LinearInterp(double n0, double n1, double a)
2. linearInterp(double xa, double ya, double xb, double yb, double x)
3. linearInterp(long firstPoint, long lastPoint, int numValues, long currentPoint)
4. linearInterpolate(double v0, double v1, double t)
5. linearInterpolate(double[] x)
6. linearInterpolate(float y1, float y2, float mu)
7. linearInterpolation(double min, double max, double factor)
8. linearInterpolation(double x, double x1, double x2, double y1, double y2)