编辑:当 field 或 hunterField 在任何位置都没有对象时,一切都会正确显示。field 和 hunterField 都专门持有扩展同一个类的对象,所以我猜它可能与继承有关......?
我使用 MASON 创建了一个简单的基于代理的模型。后端工作找到,但是当我尝试显示我的代理时,只显示“墙”代理。(墙壁描绘)我的代码在下面......有什么想法吗?
package sim.app.celai;
import java.awt.Color;
import javax.swing.JFrame;
import sim.app.tutorial3.Tutorial3WithUI;
import sim.display.Controller;
import sim.display.Display2D;
import sim.display.GUIState;
import sim.portrayal.grid.SparseGridPortrayal2D;
import sim.util.Bag;
public class FieldWithGUI extends GUIState {
public Display2D display;
public JFrame frame;
SparseGridPortrayal2D hunterPortrayal = new SparseGridPortrayal2D();
SparseGridPortrayal2D wallPortrayal = new SparseGridPortrayal2D();
SparseGridPortrayal2D childPortrayal = new SparseGridPortrayal2D();
public FieldWithGUI() {
super(new Field(System.currentTimeMillis()));
}
public void setupPortrayals() {
childPortrayal.setField(((Field) state).field);
hunterPortrayal.setField(((Field) state).hunterField);
wallPortrayal.setField(((Field) state).wallField);
childPortrayal.setPortrayalForAll(new sim.portrayal.simple.OvalPortrayal2D(Color.blue));
hunterPortrayal.setPortrayalForAll(new sim.portrayal.simple.OvalPortrayal2D(Color.red));
wallPortrayal.setPortrayalForAll(new sim.portrayal.simple.OvalPortrayal2D(Color.green));
display.reset();
display.repaint();
}
public void quit()
{
super.quit();
if (frame!=null) frame.dispose();
frame = null; // let gc
display = null; // let gc
}
public static void main(String[] args)
{
new FieldWithGUI().createController();
}
public void start()
{
super.start();
// set up our portrayals
setupPortrayals();
}
public void init(Controller c)
{
super.init(c);
// Make the Display2D. We'll have it display stuff later.
display = new Display2D(400,400,this); // at 400x400, we've got 4x4 per array position
frame = display.createFrame();
c.registerFrame(frame); // register the frame so it appears in the "Display" list
frame.setVisible(true);
// specify the backdrop color -- what gets painted behind the displays
display.setBackdrop(Color.black);
// attach the portrayals
display.attach(childPortrayal, "children");
display.attach(hunterPortrayal, "hunter");
display.attach(wallPortrayal, "wall");
}
}