Java Lerp lerp(double x, double x1, double x2, double q00, double q01)

Description

Linear interpolation.

License

Apache License

Declaration

private static double lerp(double x, double x1, double x2, double q00, double q01) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2014 Logan Gorence <loganjohngorence@gmail.com>
 *
 * 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.//from   w ww . j a va  2  s  .  c  o m
 ******************************************************************************/

public class Main {
    /**
     * Linear interpolation.
     */
    private static double lerp(double x, double x1, double x2, double q00, double q01) {
        return ((x2 - x) / (x2 - x1)) * q00 + ((x - x1) / (x2 - x1)) * q01;
    }

    /**
     * Linear interpolation.
     */
    private static float lerp(float x, float x1, float x2, float q00, float q01) {
        return ((x2 - x) / (x2 - x1)) * q00 + ((x - x1) / (x2 - x1)) * q01;
    }
}

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6. lerp(final double a, final double min, final double max)
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9. lerp(final float percent, final float startValue, final float endValue)