75 lines
2.2 KiB
Java
75 lines
2.2 KiB
Java
/*
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* opsu!dance - fork of opsu! with cursordance auto
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* Copyright (C) 2016 yugecin
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*
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* opsu!dance is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* opsu!dance is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with opsu!dance. If not, see <http://www.gnu.org/licenses/>.
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*/
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package yugecin.opsudance.movers;
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import itdelatrisu.opsu.Options;
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import itdelatrisu.opsu.Utils;
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import itdelatrisu.opsu.objects.GameObject;
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import java.awt.*;
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public class QuadraticBezierMover extends Mover {
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public static Point p;
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private static double prevspeed;
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public static void reset() {
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p = new Point(0, 0);
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prevspeed = 0;
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}
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public static void setPrevspeed(double distance, int timedelta) {
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prevspeed = distance * Options.getQuadBezAggressiveness() * Options.getQuadBezSliderAggressiveness() / timedelta;
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}
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public static double getPrevspeed() {
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return prevspeed;
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}
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private int startTime;
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private int totalTime;
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public QuadraticBezierMover(GameObject start, GameObject end, int dir) {
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super(start, end, dir);
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this.startTime = start.getEndTime();
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this.totalTime = end.getTime() - startTime;
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double startAngle = Math.atan2(startY - p.y, startX - p.x);
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double dist = Utils.distance(startX, startY, endX, endY);
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p.x = (int) (startX + Math.cos(startAngle) * prevspeed);
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p.y = (int) (startY + Math.sin(startAngle) * prevspeed);
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prevspeed = (dist / totalTime) * Options.getQuadBezAggressiveness();
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}
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@Override
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public double[] getPointAt(int time) {
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double t = (double) (time - startTime) / totalTime;
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double ct = (1 - t);
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return new double[] {
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ct * ct * startX + ct * 2 * t * p.x + t * t * endX,
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ct * ct * startY + ct * 2 * t * p.y + t * t * endY,
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};
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}
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@Override
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public String getName() {
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return "Quadratic Bezier";
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}
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}
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