QuadraticStoryboardMover
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/*
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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.sbv2.movers;
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import itdelatrisu.opsu.objects.curves.Vec2f;
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import org.newdawn.slick.Color;
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public class QuadraticStoryboardMover extends StoryboardMultipointMover {
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public QuadraticStoryboardMover() {
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super(Color.magenta, Color.blue);
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}
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@Override
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public void setInitialStart(Vec2f start) {
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super.setInitialStart(start);
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super.addPoint(new Vec2f((start.x + end.x) / 2, (start.y + end.y) / 2));
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}
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@Override
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public float[] getPointAt(float t) {
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float ct = 1f - t;
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return new float[] {
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ct * ct * start.x + ct * 2 * t * getPoint(0).x + t * t * end.x,
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ct * ct * start.y + ct * 2 * t * getPoint(0).y + t * t * end.y,
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};
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}
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@Override
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public float getLength() {
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return length;
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}
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}
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