From 7c09e42058cda8953183cf467d7c7159f4ab518f Mon Sep 17 00:00:00 2001
From: koz01 <koz01@PCFEIB405-134.msad.vsb.cz>
Date: Wed, 20 Sep 2023 10:27:40 +0200
Subject: [PATCH] 2023_Wed_900_koz01_solution
---
src/main/java/lab/DrawingThread.java | 43 +++++++++++++++++++++++++---
1 file changed, 39 insertions(+), 4 deletions(-)
diff --git a/src/main/java/lab/DrawingThread.java b/src/main/java/lab/DrawingThread.java
index 63badd7..33f9801 100644
--- a/src/main/java/lab/DrawingThread.java
+++ b/src/main/java/lab/DrawingThread.java
@@ -3,11 +3,27 @@ package lab;
import javafx.animation.AnimationTimer;
import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
+import javafx.scene.paint.Color;
public class DrawingThread extends AnimationTimer {
+ private static final double FPS = 100;
+
private final Canvas canvas;
+
private final GraphicsContext gc;
+
+ private double p_x = 5;
+
+ private double p_y = 300;
+
+ private double v_x = 50;
+
+ private double v_y = -50;
+
+ private double g_y = 9.81;
+
+ private long previousTime;
public DrawingThread(Canvas canvas) {
this.canvas = canvas;
@@ -20,11 +36,30 @@ public class DrawingThread extends AnimationTimer {
*/
@Override
public void handle(long now) {
+ if (previousTime > 0) {
+ double deltaT = (now - previousTime) / 1e9;
+ if (deltaT < 1/FPS) {
+ return;
+ }
+ p_x = p_x + v_x * deltaT;
+ p_y = p_y + v_y * deltaT;
+ v_y = v_y + g_y * deltaT;
+
+ }
+
+ gc.clearRect(0, 0, canvas.getWidth(), canvas.getHeight());
+
+ drawUFO(p_x, p_y);
+ previousTime = now;
+ }
+
+
+ void drawUFO(double x, double y) {
// put your code here
- //gc.setFill(Color.AQUA);
- //gc.setStroke(Color.BLACK);
- //gc.fillOval(10, 10, 20, 20);
+ gc.setFill(Color.SILVER);
+ gc.fillOval(15 + x, y, 30, 20);
+ gc.setFill(Color.INDIANRED);
+ gc.fillRect(x, 8 + y, 60, 2);
}
-
}
--
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