add LessThanThreespinner

src/yugecin/opsudance/Dancer.java

@@ -48,6 +48,7 @@ public class Dancer {
 		new CubeSpinner(),
 		new HalfCircleSpinner(),
 		new IlluminatiSpinner(),
+		new LessThanThreeSpinner(),
 	};
 
 	public static Dancer instance = new Dancer();

src/yugecin/opsudance/spinners/LessThanThreeSpinner.java

@@ -0,0 +1,56 @@
+/*
+ * opsu!dance - fork of opsu! with cursordance auto
+ * Copyright (C) 2016 yugecin
+ *
+ * opsu!dance 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!dance 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!dance.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package yugecin.opsudance.spinners;
+
+import itdelatrisu.opsu.Options;
+
+public class LessThanThreeSpinner extends Spinner {
+
+	private int angle = 0;
+
+	@Override
+	public void init()
+	{
+
+	}
+
+	@Override
+	public double[] getPoint()
+	{
+		angle += 18;
+		if( angle > 360 ) angle = 0;
+		double theta = angle / 180d * Math.PI;
+		double[] pos = new double[] {
+			Options.width / 2d,
+			Options.height / 2d
+		};
+
+		double r = 2 - 2 * Math.sin( theta ) + Math.sin( theta ) * Math.sqrt( Math.abs( Math.cos( theta ) ) ) / ( Math.sin( theta ) + 1.4 );
+
+		pos[0] += Math.cos( theta ) * r * 100;
+		pos[1] -= Math.sin( theta ) * r * 100 + 100;
+
+		return pos;
+	}
+
+	@Override
+	public String toString() {
+		return "LessThanThree";
+	}
+
+}