First tests with java maths

simulator/src/com/verictas/pos/simulator/Main.java

@@ -1,8 +1,16 @@
 package com.verictas.pos.simulator;
+import javax.vecmath.*;
 
 public class Main {
 
     public static void main(String[] args) {
         System.out.println("Hello World!");
+
+        Object object1 = new Object(10E8, new Vector3f(1,2,3), new Vector3f(0,4,3));
+        Object object2 = new Object(20E4, new Vector3f(2,38,2), new Vector3f(3,4,5));
+
+        System.out.println(object1.toString());
+        System.out.println(object2.toString());
+        System.out.println(object1.getForceOnObject(object2));
     }
 }

simulator/src/com/verictas/pos/simulator/Object.java

@@ -0,0 +1,41 @@
+package com.verictas.pos.simulator;
+import javax.vecmath.*;
+import java.lang.*;
+
+public class Object {
+    public double mass;
+    public Vector3f position;
+    public Vector3f speed;
+    private double gravitationalConstant = 6.67384E-11;
+
+    public Object(double mass, Vector3f position, Vector3f speed) {
+        this.mass = mass;
+        this.position = position;
+        this.speed = speed;
+    }
+
+    public void setSpeed(Vector3f speed) {
+        this.speed = speed;
+    }
+
+    public void setPosition(Vector3f position) {
+        this.position = position;
+    }
+
+    public String toString() {
+        return "Mass: " + this.mass + " & Position: " + this.position + " & Speed: " + this.speed;
+    }
+
+    public Vector3f getForceOnObject(Object secondObject) {
+        double scale = gravitationalConstant * ((this.mass * secondObject.mass) / Math.pow(getDistance(secondObject).length(), 3.0));
+        Vector3f force = getDistance(secondObject);
+        force.scale((float) scale);
+        return force;
+    }
+
+    private Vector3f getDistance(Object secondObject) {
+        Vector3f distance = new Vector3f(0,0,0); // Empty
+        distance.sub(this.position, secondObject.position);
+        return distance;
+    }
+}