From 5d414f403fa98094c6c571ad7c91342bfcc69883 Mon Sep 17 00:00:00 2001
From: Jesse Morgan <jesse@jesterpm.net>
Date: Wed, 9 Mar 2011 02:48:37 +0000
Subject: Adding more stuff to common.

---
 src/common/Box.java | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/common/Box.java

(limited to 'src/common/Box.java')

diff --git a/src/common/Box.java b/src/common/Box.java
new file mode 100644
index 0000000..5864606
--- /dev/null
+++ b/src/common/Box.java
@@ -0,0 +1,33 @@
+package common;
+
+import javax.media.j3d.*;
+import javax.vecmath.*;
+
+@SuppressWarnings("restriction")
+public class Box extends CollidableObject {
+	public Box(float width, float height, float depth, Vector3f position) {
+		this(1, width, height, depth, position);
+	}
+	
+	public Box(float mass, float width, float height, float depth, Vector3f position) {
+		super(mass);
+		setShape(createShape(width, height, depth));
+		this.position.set(position);
+		previousPosition.set(position);
+		if (inverseMass != 0) {
+			inverseInertiaTensor.m00 = 1f / 12 / inverseMass * (height * height + depth * depth);
+			inverseInertiaTensor.m11 = 1f / 12 / inverseMass * (width * width + depth * depth);
+			inverseInertiaTensor.m22 = 1f / 12 / inverseMass * (width * width + height * height);
+			inverseInertiaTensor.invert();
+		}
+		updateTransformGroup();
+	}
+
+	protected Node createShape(float width, float height, float depth) {
+		Appearance appearance = new Appearance();
+		Material material = new Material();
+		material.setDiffuseColor(0.7f, 1, 0.7f);
+		appearance.setMaterial(material);
+		return new com.sun.j3d.utils.geometry.Box(width / 2, height / 2, depth / 2, appearance);
+	}
+}
-- 
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