runelite-api: add Jarvis march algorithm and and getConvexHull to GameObject

2017-08-12 22:28:34 -04:00
parent 409aa9eb1f
commit 1a95cdf5a6
3 changed files with 311 additions and 0 deletions
--- a/runelite-api/src/test/java/net/runelite/api/model/JarvisTest.java
+++ b/runelite-api/src/test/java/net/runelite/api/model/JarvisTest.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2017, Adam <Adam@sigterm.info>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.runelite.api.model;
+
+import java.util.Arrays;
+import java.util.List;
+import net.runelite.api.Point;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class JarvisTest
+{
+	@Test
+	public void test()
+	{
+		Point[] points =
+		{
+			new Point(0, 3),
+			new Point(1, 1),
+			new Point(2, 2),
+			new Point(4, 4),
+			new Point(0, 0),
+			new Point(1, 2),
+			new Point(3, 1),
+			new Point(3, 3)
+		};
+
+		List<Point> result = Jarvis.convexHull(Arrays.asList(points));
+		Assert.assertEquals(4, result.size());
+		Assert.assertEquals(new Point(0, 0), result.get(0));
+		Assert.assertEquals(new Point(0, 3), result.get(1));
+		Assert.assertEquals(new Point(4, 4), result.get(2));
+		Assert.assertEquals(new Point(3, 1), result.get(3));
+	}
+
+	@Test
+	public void test2()
+	{
+		Point[] points =
+		{
+			new Point(0, 3),
+			new Point(4, 2),
+			new Point(3, 5),
+			new Point(5, 3),
+			new Point(3, 0),
+			new Point(1, 1),
+			new Point(1, 2),
+			new Point(2, 2)
+		};
+
+		List<Point> result = Jarvis.convexHull(Arrays.asList(points));
+		Assert.assertEquals(5, result.size());
+		Assert.assertEquals(new Point(0, 3), result.get(0));
+		Assert.assertEquals(new Point(3, 5), result.get(1));
+		Assert.assertEquals(new Point(5, 3), result.get(2));
+		Assert.assertEquals(new Point(3, 0), result.get(3));
+		Assert.assertEquals(new Point(1, 1), result.get(4));
+	}
+
+	@Test
+	public void testCollinear()
+	{
+		Point[] points = new Point[]
+		{
+			new Point(604, 76),
+			new Point(609, 81),
+			new Point(606, 78),
+			new Point(602, 74),
+			new Point(610, 74),
+			new Point(609, 77),
+			new Point(602, 72),
+			new Point(606, 77),
+			new Point(611, 77),
+			new Point(607, 72),
+			new Point(616, 74),
+			new Point(611, 70),
+			new Point(611, 71),
+			new Point(610, 73),
+			new Point(614, 82),
+			new Point(615, 79),
+			new Point(615, 77),
+			new Point(615, 76),
+			new Point(634, 71),
+			new Point(604, 76)
+		};
+		Jarvis.convexHull(Arrays.asList(points));
+	}
+}