/*******************************************************************************
* Breakout Cave Survey Visualizer
*
* Copyright (C) 2014 James Edwards
*
* jedwards8 at fastmail dot fm
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*******************************************************************************/
package org.andork.util;
public class AnimationUtils {
public static float animate(float current, float target, long time, float factor, float extra, int delay) {
while (time > 0 && current != target) {
if (target > current) {
current = Math.min(target, current + (target - current + extra) * factor);
} else {
current = Math.max(target, current + (target - current - extra) * factor);
}
time -= delay;
}
return current;
}
public static int animate(int current, int target, long time, float factor, int extra, int delay) {
while (time > 0 && current != target) {
if (target > current) {
current = Math.min(target, Math.max(current + 1,
current + (int) ((target - current + extra) * factor)));
} else {
current = Math.max(target, Math.min(current - 1,
current + (int) ((target - current - extra) * factor)));
}
time -= delay;
}
return current;
}
public static float getInterpFactor(float a, float b, float x) {
if (b - a == 0) {
return 0;
}
return (x - a) / (b - a);
}
private AnimationUtils() {
}
}