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/******************************************************************************
* Spine Runtimes License Agreement
* Last updated January 1, 2020. Replaces all prior versions.
*
* Copyright (c) 2013-2020, Esoteric Software LLC
*
* Integration of the Spine Runtimes into software or otherwise creating
* derivative works of the Spine Runtimes is permitted under the terms and
* conditions of Section 2 of the Spine Editor License Agreement:
* http://esotericsoftware.com/spine-editor-license
*
* Otherwise, it is permitted to integrate the Spine Runtimes into software
* or otherwise create derivative works of the Spine Runtimes (collectively,
* "Products"), provided that each user of the Products must obtain their own
* Spine Editor license and redistribution of the Products in any form must
* include this license and copyright notice.
*
* THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "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 ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
* BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) 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
* THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
package com.esotericsoftware.spine.utils;
public class SpineUtils {
static public final float PI = 3.1415927f;
static public final float PI2 = PI * 2;
static public final float radiansToDegrees = 180f / PI;
static public final float radDeg = radiansToDegrees;
static public final float degreesToRadians = PI / 180;
static public final float degRad = degreesToRadians;
public static float cosDeg (float degrees) {
return (float)Math.cos(degrees * degRad);
}
public static float sinDeg (float degrees) {
return (float)Math.sin(degrees * degRad);
}
public static float cos (float radians) {
return (float)Math.cos(radians);
}
public static float sin (float radians) {
return (float)Math.sin(radians);
}
public static float atan2 (float y, float x) {
return (float)Math.atan2(y, x);
}
static public void arraycopy (Object src, int srcPos, Object dest, int destPos, int length) {
if (src == null) throw new IllegalArgumentException("src cannot be null.");
if (dest == null) throw new IllegalArgumentException("dest cannot be null.");
try {
System.arraycopy(src, srcPos, dest, destPos, length);
} catch (ArrayIndexOutOfBoundsException ex) {
throw new ArrayIndexOutOfBoundsException( //
"Src: " + java.lang.reflect.Array.getLength(src) + ", " + srcPos //
+ ", dest: " + java.lang.reflect.Array.getLength(dest) + ", " + destPos //
+ ", count: " + length);
}
}
}