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package lab;
import javafx.animation.AnimationTimer;
import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
public class DrawingThread extends AnimationTimer {
private final Canvas canvas;
private final GraphicsContext gc;
private final World world;
private long lasttime = -1;
public DrawingThread(Canvas canvas, World world) {
this.canvas = canvas;
this.gc = canvas.getGraphicsContext2D();
this.world = world;
}
/**
* Draws objects into the canvas. Put you code here.
*/
@Override
public void handle(long now) {
gc.clearRect(0, 0, canvas.getWidth(), canvas.getHeight());
world.draw(gc);
if (lasttime > 0) {
//time are in nanoseconds and method simulate expects seconds
world.simulate((now - lasttime) / 1e9);
}
lasttime = now;
}
}