// Copyright by Barry G. Becker, 2013. Licensed under MIT License: http://www.opensource.org/licenses/MIT
package com.barrybecker4.simulation.lsystem;
import com.barrybecker4.simulation.common.Profiler;
import com.barrybecker4.simulation.common.ui.Simulator;
import com.barrybecker4.simulation.common.ui.SimulatorOptionsDialog;
import com.barrybecker4.simulation.lsystem.model.LSystemModel;
import javax.swing.JPanel;
import java.awt.Graphics;
/**
* Interactively explores LSystem generated trees based on a user supplied expression.
* See http://en.wikipedia.org/wiki/L-system
*
* @author Barry Becker.
*/
public class LSystemExplorer extends Simulator {
private LSystemModel algorithm_;
private DynamicOptions options_;
private boolean useFixedSize_ = false;
protected static final double INITIAL_TIME_STEP = 10.0;
protected static final int DEFAULT_STEPS_PER_FRAME = 10;
public LSystemExplorer() {
super("LSystem Tree Explorer");
commonInit();
}
/**
* @param fixed if true then the render area does not resize automatically.
*/
public void setUseFixedSize(boolean fixed) {
useFixedSize_ = fixed;
}
public boolean getUseFixedSize() {
return useFixedSize_;
}
private void commonInit() {
algorithm_ = new LSystemModel();
initCommonUI();
reset();
}
@Override
protected void reset() {
algorithm_.reset();
setNumStepsPerFrame(DEFAULT_STEPS_PER_FRAME);
if (options_ != null) {
options_.reset();
}
}
@Override
protected SimulatorOptionsDialog createOptionsDialog() {
return new OptionsDialog( frame_, this );
}
@Override
protected double getInitialTimeStep() {
return INITIAL_TIME_STEP;
}
@Override
public double timeStep() {
if ( !isPaused() ) {
if (!useFixedSize_) {
algorithm_.setSize(this.getWidth(), this.getHeight());
}
algorithm_.timeStep(timeStep_);
}
return timeStep_;
}
@Override
public void paint( Graphics g ) {
if (g == null) return;
super.paint(g);
Profiler.getInstance().startRenderingTime();
g.drawImage(algorithm_.getImage(), 0, 0, null);
Profiler.getInstance().stopRenderingTime();
}
@Override
public void setScale( double scale ) {}
@Override
public double getScale() {
return 0.01;
}
@Override
public JPanel createDynamicControls() {
options_ = new DynamicOptions(algorithm_, this);
setPaused(false);
return options_;
}
}