racket/collects/htdch/draw/World.java
Matthias Felleisen 871efa46cb - fixed Canvas to export theCanvas for overriding
- QUESTION: how do I refer to theCanvas from the native Scheme methods? 

svn: r505
2005-07-30 17:34:56 +00:00

23 lines
468 B
Java

package draw;
public abstract class World {
public Canvas theCanvas = new Canvas();
public native boolean bigBang(/* int width, int height,*/ double s);
public native boolean endOfTime();
public native World endOfWorld();
public native World lastWorld();
public abstract World onTick();
public abstract World onKeyEvent(String ke);
public abstract boolean draw();
public abstract boolean erase();
}