1 files changed, 90 insertions, 0 deletions
diff --git a/src/tesseract/objects/tank/Track.java b/src/tesseract/objects/tank/Track.java
new file mode 100644
index 0000000..c9ad634
--- /dev/null
+++ b/src/tesseract/objects/tank/Track.java
@@ -0,0 +1,90 @@
+package tesseract.objects.tank;
+
+import java.awt.Color;
+
+import javax.media.j3d.Appearance;
+import javax.media.j3d.ColoringAttributes;
+import javax.media.j3d.GeometryArray;
+import javax.media.j3d.Material;
+import javax.media.j3d.QuadArray;
+import javax.media.j3d.Shape3D;
+import javax.media.j3d.Transform3D;
+import javax.media.j3d.TransformGroup;
+import javax.vecmath.Color3f;
+import javax.vecmath.Point3f;
+
+import com.sun.j3d.utils.geometry.GeometryInfo;
+import com.sun.j3d.utils.geometry.NormalGenerator;
+
+public class Track {
+	
+	private Track(){}
+	
+	public static Shape3D makeTrack(final float theScale, final Color theColor,
+			final Transform3D toMove) {
+		Point3f[] points = new Point3f[8];
+		points[0] = new Point3f(-2f, .75f, .25f);
+		points[1] = new Point3f(-2f, .75f, -.25f);
+		points[2] = new Point3f(2f, .75f, -.25f);
+		points[3] = new Point3f(2f, .75f, .25f);
+		points[4] = new Point3f(-1.25f, -.25f, .25f);
+		points[5] = new Point3f(-1.25f, -.25f, -.25f);
+		points[6] = new Point3f(1.25f, -.25f, -.25f);
+		points[7] = new Point3f(1.25f, -.25f, .25f);
+		for (int it = 0; it < points.length; it++) {
+			points[it].scale(theScale);
+		}
+		for (int it = 0; it < points.length; it++) {
+			toMove.transform(points[it]);
+		}
+		QuadArray track = new QuadArray(24, GeometryArray.COORDINATES);
+		int index = 0;
+		track.setCoordinate(index++, points[3]);
+		track.setCoordinate(index++, points[2]);
+		track.setCoordinate(index++, points[1]);
+		track.setCoordinate(index++, points[0]);
+		
+		track.setCoordinate(index++, points[4]);
+		track.setCoordinate(index++, points[5]);
+		track.setCoordinate(index++, points[6]);
+		track.setCoordinate(index++, points[7]);
+		
+		track.setCoordinate(index++, points[4]);
+		track.setCoordinate(index++, points[7]);
+		track.setCoordinate(index++, points[3]);
+		track.setCoordinate(index++, points[0]);
+		
+		track.setCoordinate(index++, points[1]);
+		track.setCoordinate(index++, points[2]);
+		track.setCoordinate(index++, points[6]);
+		track.setCoordinate(index++, points[5]);
+		
+		track.setCoordinate(index++, points[0]);
+		track.setCoordinate(index++, points[1]);
+		track.setCoordinate(index++, points[5]);
+		track.setCoordinate(index++, points[4]);
+		
+		track.setCoordinate(index++, points[2]);
+		track.setCoordinate(index++, points[3]);
+		track.setCoordinate(index++, points[7]);
+		track.setCoordinate(index++, points[6]);
+
+		//TransformGroup trans = new TransformGroup();
+		NormalGenerator norms = new NormalGenerator(120);
+		GeometryInfo geo = new GeometryInfo(track);
+		norms.generateNormals(geo);
+		
+		Shape3D mesh = new Shape3D(geo.getGeometryArray());
+		Appearance meshApp = new Appearance();
+		Material surface = new Material();
+		surface.setDiffuseColor(new Color3f (theColor));
+		meshApp.setMaterial(surface);
+		meshApp.setColoringAttributes(new ColoringAttributes(new Color3f (theColor),
+				ColoringAttributes.NICEST));
+		mesh.setAppearance(meshApp);
+		//trans.addChild(mesh);
+		//trans.addChild(new Shape3D(die2));
+		//trans.addChild(new Shape3D(points));
+		return mesh;
+	}
+}