androidのinterpolatorのイージングがあまりにもダサかったので、Easingを持ってくる為のクラスを作った。
interpolatorを継承しようと思ったけど、結構複雑そうなので、簡単に計算式だけ利用できるクラスです。
/*
* jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
*
* Uses the built in easing capabilities added In jQuery 1.1
* to offer multiple easing options
*
* TERMS OF USE - jQuery Easing
*
* Open source under the BSD License.
*
* Copyright c 2008 George McGinley Smith
* 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.
* Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* Neither the name of the author nor the names of contributors may be used to endorse
* or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/**
* Easing.java: javascript to java
* Author: miyauchi shunjiro
* Version: 0.0.1
*
* Example usage:
* Easing.easeInQuad(0.2f);
*
**/
public class Easing {
public static float easeInQuad(float t) {
return easeInQuad(t, 0f, 1f, 1f);
}
public static float easeOutQuad(float t) {
return easeInQuad(t, 0f, 1f, 1f);
}
public static float easeInOutQuad(float t) {
return easeInOutQuad(t, 0f, 1f, 1f);
}
public static float easeInCubic(float t) {
return easeInCubic(t, 0f, 1f, 1f);
}
public static float easeOutCubic(float t) {
return easeOutCubic(t, 0f, 1f, 1f);
}
public static float easeInOutCubic(float t) {
return easeInOutCubic(t, 0f, 1f, 1f);
}
public static float easeInQuart(float t) {
return easeInQuart(t, 0f, 1f, 1f);
}
public static float easeOutQuart(float t) {
return easeOutQuart(t, 0f, 1f, 1f);
}
public static float easeInOutQuart(float t) {
return easeInOutQuart(t, 0f, 1f, 1f);
}
public static float easeInQuint(float t) {
return easeInQuint(t, 0f, 1f, 1f);
}
public static float easeOutQuint(float t) {
return easeOutQuint(t, 0f, 1f, 1f);
}
public static float easeInOutQuint(float t) {
return easeInOutQuint(t, 0f, 1f, 1f);
}
public static float easeInSine(float t) {
return easeInSine(t, 0f, 1f, 1f);
}
public static float easeOutSine(float t) {
return easeOutSine(t, 0f, 1f, 1f);
}
public static float easeInOutSine(float t) {
return easeInOutSine(t, 0f, 1f, 1f);
}
public static float easeInExpo(float t) {
return easeInExpo(t, 0f, 1f, 1f);
}
public static float easeOutExpo(float t) {
return easeOutExpo(t, 0f, 1f, 1f);
}
public static float easeInOutExpo(float t) {
return easeInOutExpo(t, 0f, 1f, 1f);
}
public static float easeInCirc(float t) {
return easeInCirc(t, 0f, 1f, 1f);
}
public static float easeOutCirc(float t) {
return easeOutCirc(t, 0f, 1f, 1f);
}
public static float easeInOutCirc(float t) {
return easeInOutCirc(t, 0f, 1f, 1f);
}
public static float easeInElastic(float t) {
return easeInElastic(t, 0f, 1f, 1f);
}
public static float easeOutElastic(float t) {
return easeOutElastic(t, 0f, 1f, 1f);
}
public static float easeInOutElastic(float t) {
return easeInOutElastic(t, 0f, 1f, 1f);
}
public static float easeInBack(float t) {
return easeInBack(t, 0f, 1f, 1f, 1.70158f);
}
public static float easeOutBack(float t) {
return easeOutBack(t, 0f, 1f, 1f, 1.70158f);
}
public static float easeInOutBack(float t) {
return easeInOutBack(t, 0f, 1f, 1f, 1.70158f);
}
public static float easeInBounce(float t) {
return easeInBounce(t, 0f, 1f, 1f);
}
public static float easeOutBounce(float t) {
return easeOutBounce(t, 0f, 1f, 1f);
}
public static float easeInOutBounce(float t) {
return easeInOutBounce(t, 0f, 1f, 1f);
}
/**/
public static float easeInQuad(float t, float b, float c, float d) {
return c * (t /= d) * t + b;
}
public static float easeOutQuad(float t, float b, float c, float d) {
return -c * (t /= d) * (t - 2f) + b;
}
public static float easeInOutQuad(float t, float b, float c, float d) {
if ((t /= d / 2f) < 1)
return c / 2f * t * t + b;
return -c / 2f * ((--t) * (t - 2f) - 1) + b;
}
public static float easeInCubic(float t, float b, float c, float d) {
return c * (t /= d) * t * t + b;
}
public static float easeOutCubic(float t, float b, float c, float d) {
return c * ((t = t / d - 1f) * t * t + 1f) + b;
}
public static float easeInOutCubic(float t, float b, float c, float d) {
if ((t /= d / 2f) < 1)
return c / 2f * t * t * t + b;
return c / 2f * ((t -= 2f) * t * t + 2f) + b;
}
public static float easeInQuart(float t, float b, float c, float d) {
return c * (t /= d) * t * t * t + b;
}
public static float easeOutQuart(float t, float b, float c, float d) {
return -c * ((t = t / d - 1f) * t * t * t - 1f) + b;
}
public static float easeInOutQuart(float t, float b, float c, float d) {
if ((t /= d / 2f) < 1f)
return c / 2f * t * t * t * t + b;
return -c / 2f * ((t -= 2f) * t * t * t - 2f) + b;
}
public static float easeInQuint(float t, float b, float c, float d) {
return c * (t /= d) * t * t * t * t + b;
}
public static float easeOutQuint(float t, float b, float c, float d) {
return c * ((t = t / d - 1f) * t * t * t * t + 1f) + b;
}
public static float easeInOutQuint(float t, float b, float c, float d) {
if ((t /= d / 2f) < 1f)
return c / 2f * t * t * t * t * t + b;
return c / 2f * ((t -= 2f) * t * t * t * t + 2f) + b;
}
public static float easeInSine(float t, float b, float c, float d) {
return (float) (-c * Math.cos(t / d * (Math.PI / 2f)) + c + b);
}
public static float easeOutSine(float t, float b, float c, float d) {
return (float) (c * Math.sin(t / d * (Math.PI / 2f)) + b);
}
public static float easeInOutSine(float t, float b, float c, float d) {
return (float) (-c / 2f * (Math.cos(Math.PI * t / d) - 1) + b);
}
public static float easeInExpo(float t, float b, float c, float d) {
return (float) ((t == 0) ? b : c * Math.pow(2, 10f * (t / d - 1f)) + b);
}
public static float easeOutExpo(float t, float b, float c, float d) {
return (float) ((t == d) ? b + c : c * (-Math.pow(2, -10f * t / d) + 1f) + b);
}
public static float easeInOutExpo(float t, float b, float c, float d) {
if (t == 0)
return b;
if (t == d)
return b + c;
if ((t /= d / 2f) < 1f)
return (float) (c / 2f * Math.pow(2, 10f * (t - 1f)) + b);
return (float) (c / 2f * (-Math.pow(2, -10f * --t) + 2f) + b);
}
public static float easeInCirc(float t, float b, float c, float d) {
return (float) (-c * (Math.sqrt(1f - (t /= d) * t) - 1f) + b);
}
public static float easeOutCirc(float t, float b, float c, float d) {
return (float) (c * Math.sqrt(1 - (t = t / d - 1) * t) + b);
}
public static float easeInOutCirc(float t, float b, float c, float d) {
if ((t /= d / 2) < 1)
return (float) (-c / 2 * (Math.sqrt(1 - t * t) - 1) + b);
return (float) (c / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1) + b);
}
public static float easeInElastic(float t, float b, float c, float d) {
float s = 1.70158f;
float p = 0;
float a = c;
if (t == 0)
return b;
if ((t /= d) == 1)
return b + c;
p = d * 0.3f;
if (a < Math.abs(c)) {
a = c;
s = p / 4f;
} else
s = (float) (p / (2f * Math.PI) * Math.asin(c / a));
return (float) (-(a * Math.pow(2, 10f * (t -= 1f)) * Math.sin((t * d - s) * (2f * Math.PI) / p)) + b);
}
public static float easeOutElastic(float t, float b, float c, float d) {
float s = 1.70158f;
float p = 0;
float a = c;
if (t == 0)
return b;
if ((t /= d) == 1)
return b + c;
p = d * 0.3f;
if (a < Math.abs(c)) {
a = c;
s = p / 4f;
} else
s = (float) (p / (2f * Math.PI) * Math.asin(c / a));
return (float) (a * Math.pow(2, -10f * t) * Math.sin((t * d - s) * (2f * Math.PI) / p) + c + b);
}
public static float easeInOutElastic(float t, float b, float c, float d) {
float s = 1.70158f;
float p = 0;
float a = c;
if (t == 0)
return b;
if ((t /= d / 2) == 2)
return b + c;
p = d * (0.3f * 1.5f);
if (a < Math.abs(c)) {
a = c;
s = p / 4f;
} else
s = (float) (p / (2f * Math.PI) * Math.asin(c / a));
if (t < 1)
return (float) (-0.5f * (a * Math.pow(2, 10f * (t -= 1f)) * Math.sin((t * d - s) * (2f * Math.PI) / p)) + b);
return (float) (a * Math.pow(2, -10f * (t -= 1f)) * Math.sin((t * d - s) * (2f * Math.PI) / p) * 0.5f + c + b);
}
public static float easeInBack(float t, float b, float c, float d, float s) {
return c * (t /= d) * t * ((s + 1f) * t - s) + b;
}
public static float easeOutBack(float t, float b, float c, float d, float s) {
return c * ((t = t / d - 1f) * t * ((s + 1f) * t + s) + 1f) + b;
}
public static float easeInOutBack(float t, float b, float c, float d, float s) {
if ((t /= d / 2f) < 1)
return c / 2f * (t * t * (((s *= (1.525f)) + 1f) * t - s)) + b;
return c / 2f * ((t -= 2f) * t * (((s *= (1.525f)) + 1f) * t + s) + 2f) + b;
}
public static float easeInBounce(float t, float b, float c, float d) {
return c - easeOutBounce(d - t, 0, c, d) + b;
}
public static float easeOutBounce(float t, float b, float c, float d) {
if ((t /= d) < (1f / 2.75f)) {
return c * (7.5625f * t * t) + b;
} else if (t < (2f / 2.75f)) {
return c * (7.5625f * (t -= (1.5f / 2.75f)) * t + 0.75f) + b;
} else if (t < (2.5f / 2.75f)) {
return c * (7.5625f * (t -= (2.25f / 2.75f)) * t + 0.9375f) + b;
} else {
return c * (7.5625f * (t -= (2.625f / 2.75f)) * t + 0.984375f) + b;
}
}
public static float easeInOutBounce(float t, float b, float c, float d) {
if (t < d / 2f)
return easeInBounce(t * 2f, 0, c, d) * 0.5f + b;
return easeOutBounce(t * 2f - d, 0, c, d) * 0.5f + c * 0.5f + b;
}
}
/*
*
* TERMS OF USE - EASING EQUATIONS
*
* Open source under the BSD License.
*
* Copyright c 2001 Robert Penner
* 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.
* Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* Neither the name of the author nor the names of contributors may be used to endorse
* or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
まさかのjQueryからの移設ですが、問題なくできるはずです。
