From 84e220b332bfffb0f2dcc39b9697a6fd6691d265 Mon Sep 17 00:00:00 2001
From: Leonard Kugis <leonard@kug.is>
Date: Mon, 25 Apr 2022 18:36:30 +0200
Subject: Initial commit

---
 src/aufgaben/blatt2/Aufgabe1.java | 64 ++++++++++++++++++++++++++++++++++++++
 src/aufgaben/blatt2/Objekt.java   | 65 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 129 insertions(+)
 create mode 100755 src/aufgaben/blatt2/Aufgabe1.java
 create mode 100755 src/aufgaben/blatt2/Objekt.java

(limited to 'src/aufgaben/blatt2')

diff --git a/src/aufgaben/blatt2/Aufgabe1.java b/src/aufgaben/blatt2/Aufgabe1.java
new file mode 100755
index 0000000..014b2f6
--- /dev/null
+++ b/src/aufgaben/blatt2/Aufgabe1.java
@@ -0,0 +1,64 @@
+package aufgaben.blatt2;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+
+import aufgaben.Aufgabe;
+import misc.Utils;
+
+public class Aufgabe1 extends Aufgabe {
+	
+	private final int width = 500, height = 500;
+	private boolean done = false;
+	private volatile Objekt o;
+	private String name;
+	
+	public Aufgabe1() {
+		name = "Blatt 2 - 1";
+		this.setSize(width, height);
+		this.setTitle("Blatt 1 - Aufgabe 1");
+		this.addWindowListener(
+				new WindowAdapter() {
+					@Override
+					public void windowClosing(WindowEvent e) {
+						System.out.println("close");
+						done = true;
+					}
+				}
+		);
+	}
+
+	@Override
+	public boolean done() {
+		return done;
+	}
+	
+	public void paint(Graphics g) {
+		g.drawRect(o.getX(), o.getY(), 100, 100);
+		g.setColor(Color.BLACK);
+	}
+
+	@Override
+	public String getName() {
+		return name;
+	}
+
+	@Override
+	public void init() {
+		o = new Objekt(20, 200);
+		o.setMovement(0, 50);
+		
+		new Thread(new Runnable(){
+			@Override
+			public void run() {
+				while(true) {
+					o.update();
+					repaint();
+				}
+			}
+		}).start();
+	}
+
+}
diff --git a/src/aufgaben/blatt2/Objekt.java b/src/aufgaben/blatt2/Objekt.java
new file mode 100755
index 0000000..031b73a
--- /dev/null
+++ b/src/aufgaben/blatt2/Objekt.java
@@ -0,0 +1,65 @@
+package aufgaben.blatt2;
+
+import java.util.Date;
+
+public class Objekt {
+	
+	private float x, y, dir, v;
+	private long time;
+	
+	public Objekt(int x, int y) {
+		this.x = x;
+		this.y = y;
+	}
+	
+	public void setX(int x) {
+		this.x = x;
+	}
+	
+	public void setY(int y) {
+		this.y = y;
+	}
+	
+	public void setMovement(float degrees, float v) {
+		this.dir = degrees;
+		this.v = v;
+		this.time = System.nanoTime();
+	}
+	
+	public void update() {
+		long delta = getDelta();
+		float change = (float) (delta/1e9);
+		if(dir == 0 || dir == 360) {
+			x += change * v;
+		} else if(dir >= 0 && dir < 90) {
+			x += change * v;
+			y -= Math.tan(Math.toRadians(dir)) * change * v;
+		} else if(dir >= 90 && dir < 180) {
+			x -= Math.tan(Math.toRadians(dir-90)) * change * v;
+			y -= change * v;
+		} else if(dir >= 180 && dir < 270) {
+			x -= change * v;
+			y += Math.tan(Math.toRadians(dir-180)) * change * v;
+		} else if(dir >= 270 && dir < 360) {
+			x += Math.tan(Math.toRadians(dir-270)) * change * v;
+			y += change * v;
+		} else {
+			System.out.println("Invalid angle! (float, 0<=angle<=360)");
+		}
+		System.out.println("X = " + x + ", Y = " + y + ", fps = " + delta/1e9);
+	}
+	
+	public int getX() {
+		return Math.round(x);
+	}
+	
+	public int getY() {
+		return Math.round(y);
+	}
+	
+	public long getDelta() {
+		long old = time;
+		time = System.nanoTime();
+		return time-old;
+	}
+}
-- 
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