From 71505ab8f4df2e2329a3d28fa530dbbebeab9f4a Mon Sep 17 00:00:00 2001
From: koz01 <koz01@PCFEIB208-74.msad.vsb.cz>
Date: Wed, 20 Sep 2023 08:42:27 +0200
Subject: [PATCH] 2023_eng_solution
---
src/main/java/lab/DrawingThread.java | 30 +++++++++++++++++++++++++---
1 file changed, 27 insertions(+), 3 deletions(-)
diff --git a/src/main/java/lab/DrawingThread.java b/src/main/java/lab/DrawingThread.java
index 63badd7..e840d96 100644
--- a/src/main/java/lab/DrawingThread.java
+++ b/src/main/java/lab/DrawingThread.java
@@ -1,13 +1,22 @@
package lab;
import javafx.animation.AnimationTimer;
+import javafx.geometry.Point2D;
import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
+import javafx.scene.paint.Color;
public class DrawingThread extends AnimationTimer {
private final Canvas canvas;
private final GraphicsContext gc;
+
+
+ private Point2D p = new Point2D(0, 100);
+
+ private Point2D v = new Point2D(50, 0);
+
+ private long lastTimeOffset = -1;
public DrawingThread(Canvas canvas) {
this.canvas = canvas;
@@ -20,11 +29,26 @@ public class DrawingThread extends AnimationTimer {
*/
@Override
public void handle(long now) {
+ gc.setFill(Color.YELLOW);
+ gc.clearRect(0, 0, canvas.getWidth(), canvas.getHeight());
+ paintUFO(p.getX(), p.getY());
+ if (lastTimeOffset >= 0) {
+ //compute simulation
+ double deltaT = (now - lastTimeOffset)/1e9;
+ p = new Point2D(p.getX() + v.getX()*deltaT,p.getY() + v.getY()*deltaT);
+ }
+
+ lastTimeOffset = now;
+ }
+
+
+ void paintUFO(double x, double y) {
// put your code here
- //gc.setFill(Color.AQUA);
+ gc.setFill(Color.AQUA);
//gc.setStroke(Color.BLACK);
- //gc.fillOval(10, 10, 20, 20);
-
+ gc.fillOval(15 + x, 0 + y, 30, 20);
+ gc.setFill(Color.SILVER);
+ gc.fillRect(0 + x, 8 + y, 60, 5);
}
}
--
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