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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.*;
import java.awt.*;

/**
 * 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(double scale)
        {
        this(Color.white,scale);
        }
        
    /** Constructs a ConePortrayal3D with a flat opaque appearance of the given color and a scale of 1.0. */
    public ConePortrayal3D(Color color)
        {
        this(color,1f);
        }
        
    /** Constructs a ConePortrayal3D with a flat opaque appearance of the given color and the given scale. */
    public ConePortrayal3D(Color color, double scale)
        {
        this(appearanceForColor(color),true,false,scale);
        }

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

    /** Constructs a ConePortrayal3D with the given (opaque) image and scale. */
    public ConePortrayal3D(Image image, double 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, double 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 = cone;
        }

    protected int numShapes() { return 2; }
    }