CubicStoryboardMover

src/yugecin/opsudance/sbv2/MoveStoryBoard.java

@@ -23,6 +23,7 @@ import itdelatrisu.opsu.ui.Fonts;
 import itdelatrisu.opsu.ui.UI;
 import org.newdawn.slick.GameContainer;
 import org.newdawn.slick.Graphics;
+import yugecin.opsudance.sbv2.movers.CubicStoryboardMover;
 import yugecin.opsudance.sbv2.movers.LinearStoryboardMover;
 import yugecin.opsudance.sbv2.movers.QuadraticStoryboardMover;
 import yugecin.opsudance.ui.SimpleButton;
@@ -110,6 +111,7 @@ public class MoveStoryboard {
 			getCurrentMoveOrCreateNew().add(new QuadraticStoryboardMover());
 		}
 		if (btnAddCubic.isHovered()) {
+			getCurrentMoveOrCreateNew().add(new CubicStoryboardMover());
 		}
 	}
 

src/yugecin/opsudance/sbv2/movers/CubicStoryboardMover.java

@@ -0,0 +1,50 @@
+/*
+ * 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.sbv2.movers;
+
+import itdelatrisu.opsu.objects.curves.Vec2f;
+import org.newdawn.slick.Color;
+
+public class CubicStoryboardMover extends StoryboardMultipointMover {
+
+	public CubicStoryboardMover() {
+		super(Color.green, Color.orange);
+	}
+
+	@Override
+	public void setInitialStart(Vec2f start) {
+		super.setInitialStart(start);
+		super.addPoint(new Vec2f((start.x + end.x) / 3, (start.y + end.y) / 3));
+		super.addPoint(new Vec2f((start.x + end.x) * 2 / 3, (start.y + end.y) * 2 / 3));
+	}
+
+	@Override
+	public float[] getPointAt(float t) {
+		float ct = 1f - t;
+		return new float[] {
+			ct * ct * ct * start.x + 3 * ct * ct * t * getPoint(0).x + 3 * ct * t * t * getPoint(1).x + t * t * t * end.x,
+			ct * ct * ct * start.y + 3 * ct * ct * t * getPoint(0).y + 3 * ct * t * t * getPoint(1).y + t * t * t * end.y,
+		};
+	}
+
+	@Override
+	public float getLength() {
+		return length;
+	}
+
+}