47 lines
1.2 KiB
Java
47 lines
1.2 KiB
Java
package awlex.ospu.movers;
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import itdelatrisu.opsu.Utils;
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import itdelatrisu.opsu.objects.GameObject;
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import yugecin.opsudance.movers.Mover;
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/**
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* Created by Alex Wieser on 09.10.2016.
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* WHO DO YOU THINK I AM?
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*
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* This {@link Mover} ends the spiral from the start object
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*/
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public class SpiralToMover extends Mover {
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/**
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* How many times the cursor goes around the center
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* For satisfying results this musn't be a multiple of 2
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*/
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private final int CIRCLENAVIGATIONS = 1;
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double startAng;
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double startRad;
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public SpiralToMover(GameObject start, GameObject end, int dir) {
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super(start, end, dir);
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startAng = Math.atan2(endY - startY, endX - startX) + Math.PI;
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startRad = Utils.distance(startX, startY, endX, endY);
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if (startRad < 20)
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startRad = 20 + startRad / 20d;
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}
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@Override
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public double[] getPointAt(int time) {
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double rad = startRad * (1 - getT(time));
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double ang = CIRCLENAVIGATIONS * (startAng + 2d * Math.PI * (1 - getT(time)) * dir);
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return new double[]{
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endX + rad * Math.cos(ang),
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endY + rad * Math.sin(ang)
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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 "Spiral2";
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}
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}
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