From 2999ffdf1c3f182f1532b35981fe9f2093147594 Mon Sep 17 00:00:00 2001
From: Steve <steveb9@u.washington.edu>
Date: Mon, 14 Feb 2011 23:53:48 +0000
Subject: Added Tangential force in XY plane

---
 src/tesseract/forces/CircularXZ.java | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 src/tesseract/forces/CircularXZ.java

(limited to 'src/tesseract/forces/CircularXZ.java')

diff --git a/src/tesseract/forces/CircularXZ.java b/src/tesseract/forces/CircularXZ.java
new file mode 100644
index 0000000..3601676
--- /dev/null
+++ b/src/tesseract/forces/CircularXZ.java
@@ -0,0 +1,27 @@
+package tesseract.forces;
+
+import javax.vecmath.Vector3f;
+
+import tesseract.objects.PhysicalObject;
+
+@SuppressWarnings("restriction")
+public class CircularXZ extends Force {
+	private float strength;
+	
+	public CircularXZ(float strength) {
+		this.strength = strength;
+	}
+
+	public Vector3f calculateForce(final PhysicalObject obj) {
+		Vector3f force = new Vector3f(-obj.getPosition().z, 0, obj.getPosition().x);
+		if (force.length() > 0) {
+			force.normalize();
+			force.scale(strength);
+		}
+		return force;
+	}
+	
+	public String toString() {
+		return "Tangential force in the XZ plane";
+	}
+}
-- 
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