Adding more stuff to common.

1 files changed, 33 insertions, 0 deletions

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);

+	}

+}