79 lines
2.5 KiB
Java
79 lines
2.5 KiB
Java
/*
|
|
* opsu! - an open-source osu! client
|
|
* Copyright (C) 2014, 2015 Jeffrey Han
|
|
*
|
|
* opsu! 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* opsu! 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 opsu!. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package itdelatrisu.opsu.objects.curves;
|
|
|
|
import itdelatrisu.opsu.OsuHitObject;
|
|
|
|
import java.util.LinkedList;
|
|
|
|
import org.newdawn.slick.Color;
|
|
|
|
/**
|
|
* Representation of Bezier curve with equidistant points.
|
|
* http://pomax.github.io/bezierinfo/#tracing
|
|
*
|
|
* @author fluddokt (https://github.com/fluddokt)
|
|
*/
|
|
public class LinearBezier extends EqualDistanceMultiCurve {
|
|
/**
|
|
* Constructor.
|
|
* @param hitObject the associated OsuHitObject
|
|
* @param color the color of this curve
|
|
* @param line whether a new curve should be generated for each sequential pair
|
|
*/
|
|
public LinearBezier(OsuHitObject hitObject, Color color, boolean line) {
|
|
super(hitObject, color);
|
|
|
|
LinkedList<CurveType> beziers = new LinkedList<CurveType>();
|
|
|
|
// Beziers: splits points into different Beziers if has the same points (red points)
|
|
// a b c - c d - d e f g
|
|
// Lines: generate a new curve for each sequential pair
|
|
// ab bc cd de ef fg
|
|
int controlPoints = hitObject.getSliderX().length + 1;
|
|
LinkedList<Vec2f> points = new LinkedList<Vec2f>(); // temporary list of points to separate different Bezier curves
|
|
Vec2f lastPoi = null;
|
|
for (int i = 0; i < controlPoints; i++) {
|
|
Vec2f tpoi = new Vec2f(getX(i), getY(i));
|
|
if (line) {
|
|
if (lastPoi != null) {
|
|
points.add(tpoi);
|
|
beziers.add(new Bezier2(points.toArray(new Vec2f[0])));
|
|
points.clear();
|
|
}
|
|
} else if (lastPoi != null && tpoi.equals(lastPoi)) {
|
|
if (points.size() >= 2)
|
|
beziers.add(new Bezier2(points.toArray(new Vec2f[0])));
|
|
points.clear();
|
|
}
|
|
points.add(tpoi);
|
|
lastPoi = tpoi;
|
|
}
|
|
if (line || points.size() < 2) {
|
|
// trying to continue Bezier with less than 2 points
|
|
// probably ending on a red point, just ignore it
|
|
} else {
|
|
beziers.add(new Bezier2(points.toArray(new Vec2f[0])));
|
|
points.clear();
|
|
}
|
|
|
|
init(beziers);
|
|
}
|
|
}
|