From 0c31bb464e6a2ebe782b8dd6e18b36b366ee14f8 Mon Sep 17 00:00:00 2001
From: Jesse Morgan <jesse@jesterpm.net>
Date: Wed, 16 Feb 2011 05:53:20 +0000
Subject: Fixed translation. Added rotation by holding the alt key (rotation
 needs fixed though). Fixed rotation of the Icosahedron

---
 src/tesseract/objects/Icosahedron.java | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'src/tesseract/objects/Icosahedron.java')

diff --git a/src/tesseract/objects/Icosahedron.java b/src/tesseract/objects/Icosahedron.java
index 668295c..eb2efa0 100644
--- a/src/tesseract/objects/Icosahedron.java
+++ b/src/tesseract/objects/Icosahedron.java
@@ -61,7 +61,14 @@ public class Icosahedron extends PhysicalObject {
 		super(position, mass);
 		
 		setShape(buildIcosahedron(scale));
-		//this.centerOfMass = new Vector3f(0.01f, 0.01f, 0.01f);
+		
+		if (inverseMass != 0) {
+			final float radius = (float) (scale * Math.sqrt(GOLDEN_RATIO * GOLDEN_RATIO + 1));
+			inverseInertiaTensor.m00 = 2f / 5 / inverseMass * radius * radius;
+			inverseInertiaTensor.m11 = inverseInertiaTensor.m00;
+			inverseInertiaTensor.m22 = inverseInertiaTensor.m00;
+			inverseInertiaTensor.invert();
+		}
 	}
 	
 	/**
-- 
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