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MASON is a fast discrete-event multiagent simulation library core in Java, designed to be the foundation for large custom-purpose Java simulations, and also to provide more than enough functionality for many lightweight simulation needs. MASON contains both a model library and an optional suite of visualization tools in 2D and 3D.

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/*
  Copyright 2006 by Sean Luke and George Mason University
  Licensed under the Academic Free License version 3.0
  See the file "LICENSE" for more information
*/

package sim.portrayal3d.simple;

import com.sun.j3d.utils.geometry.*;
import sim.portrayal3d.*;
import sim.portrayal.*;
import javax.media.j3d.*;

/**
 * Portrays objects as a cone of the specified color or appearance (flat opaque white by default)
 * which fills the region from (-0.5*scale,-0.5*scale,-0.5*scale) to (0.5*scale,0.5*scale,0.5*scale).
 * The axis of the cone runs along the Y axis, and the point of the cone is pointing towards positive Y.
 * Objects portrayed by this portrayal are selectable.
 */
public class ConePortrayal3D extends PrimitivePortrayal3D
    {
    /** Constructs a ConePortrayal3D with a default (flat opaque white) appearance and a scale of 1.0. */
    public ConePortrayal3D()
        {
        this(1f);
        }
        
    /** Constructs a ConePortrayal3D with a default (flat opaque white) appearance and the given scale. */
    public ConePortrayal3D(float scale)
        {
        this(java.awt.Color.white,scale);
        }
        
    /** Constructs a ConePortrayal3D with a flat opaque appearance of the given color and a scale of 1.0. */
    public ConePortrayal3D(java.awt.Color color)
        {
        this(color,1f);
        }
        
    /** Constructs a ConePortrayal3D with a flat opaque appearance of the given color and the given scale. */
    public ConePortrayal3D(java.awt.Color color, float scale)
        {
        this(appearanceForColor(color),true,false,scale);
        }

    /** Constructs a ConePortrayal3D with the given (opaque) image and a scale of 1.0. */
    public ConePortrayal3D(java.awt.Image image)
        {
        this(image,1f);
        }

    /** Constructs a ConePortrayal3D with the given (opaque) image and scale. */
    public ConePortrayal3D(java.awt.Image image, float scale)
        {
        this(appearanceForImage(image,true),false,true,scale);
        }

    /** Constructs a ConePortrayal3D with the given appearance and scale, plus whether or not to generate normals or texture coordinates.  Without texture coordiantes, a texture will not be displayed. */
    public ConePortrayal3D(Appearance appearance, boolean generateNormals, boolean generateTextureCoordinates, float scale)
        {
        this.appearance = appearance;  
        setScale(null, scale);

        Cone cone = new Cone(0.5f,1f,
            /* Primitive.GEOMETRY_NOT_SHARED | */
            (generateNormals ? Primitive.GENERATE_NORMALS : 0) | 
            (generateTextureCoordinates ? Primitive.GENERATE_TEXTURE_COORDS : 0), appearance);

        setShape3DFlags(cone.getShape(Cone.BODY));
        setShape3DFlags(cone.getShape(Cone.CAP));
/*
  group = new TransformGroup();
  group.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
  group.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
  group.addChild(cone);
*/
        group = cone;
        }

    protected int numShapes() { return 2; }

/*
  public TransformGroup getModel(Object obj, TransformGroup j3dModel)
  {
  if(j3dModel==null)
  {
  j3dModel = new TransformGroup();
  j3dModel.setCapability(Group.ALLOW_CHILDREN_READ);
            
  // build a LocationWrapper for the object
  LocationWrapper pickI = new LocationWrapper(obj, null, parentPortrayal);
            
  TransformGroup g = (TransformGroup) (group.cloneTree());
  Transform3D tr = new Transform3D();
  tr.setScale(scale);
  g.setTransform(tr);
            
  Cone con = (Cone) (g.getChild(0));
  con.setAppearance(appearance);
            
  // Store the LocationWrapper in the user data of each shape
  con.getShape(Cone.BODY).setUserData(pickI);
  con.getShape(Cone.CAP).setUserData(pickI);

  j3dModel.addChild(g);
  }
  return j3dModel;
  }
*/
    }