Create classes Track, Vehicle and VehicleTimeRecord. Adjust class diagram.

app/src/main/java/de/hems/trafficsim/Track.java

@@ -0,0 +1,16 @@
+package de.hems.trafficsim;
+
+import java.util.LinkedList;
+import java.util.List;
+
+public class Track {
+    protected List<Vehicle> vehicles;
+
+    public Track() {
+        this.vehicles = new LinkedList<>();
+    }
+
+    public void timeElapse(float timeStep) {
+
+    }
+}

app/src/main/java/de/hems/trafficsim/Vehicle.java

@@ -0,0 +1,35 @@
+package de.hems.trafficsim;
+
+public class Vehicle {
+    protected float position;
+    protected float curVelocity;
+    protected float maxVelocity;
+
+    public void setForerunner(Vehicle forerunner) {
+        this.forerunner = forerunner;
+    }
+
+    protected Vehicle forerunner;
+
+    public float getPosition() {
+        return position;
+    }
+
+    public float getCurVelocity() {
+        return curVelocity;
+    }
+
+    protected float brakeProp;
+
+    public Vehicle(float position, float maxVelocity, float brakeProp) {
+        this.position = position;
+        this.maxVelocity = maxVelocity;
+        this.brakeProp = brakeProp;
+        this.curVelocity = 0;
+        this.forerunner = null;
+    }
+
+    public void timeElapse(float timeStep) {
+
+    }
+}

app/src/main/java/de/hems/trafficsim/VehicleTimeRecord.java

@@ -0,0 +1,25 @@
+package de.hems.trafficsim;
+
+public class VehicleTimeRecord {
+    public float getPosition() {
+        return position;
+    }
+
+    public float getVelocity() {
+        return velocity;
+    }
+
+    public float getTimestep() {
+        return timestep;
+    }
+
+    protected float position;
+    protected float velocity;
+    protected float timestep;
+
+    public VehicleTimeRecord(float position, float velocity, float timestep) {
+        this.position = position;
+        this.velocity = velocity;
+        this.timestep = timestep;
+    }
+}

doc/classdiagram.graphml

@@ -13,55 +13,52 @@
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   <key for="edge" id="d10" yfiles.type="edgegraphics"/>
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+    <data key="d0" xml:space="preserve"/>
     <node id="n0">
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       <data key="d6">
         <y:UMLClassNode>
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+          <y:Geometry height="244.90625" width="227.0" x="272.00000000000006" y="186.99999999999994"/>
           <y:Fill color="#FFCC00" transparent="false"/>
           <y:BorderStyle color="#000000" type="line" width="1.0"/>
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+          <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="13" fontStyle="bold" hasBackgroundColor="false" hasLineColor="false" height="19.92626953125" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#000000" verticalTextPosition="bottom" visible="true" width="49.525390625" x="88.7373046875" xml:space="preserve" y="3.0">Vehicle<y:LabelModel><y:SmartNodeLabelModel distance="4.0"/></y:LabelModel><y:ModelParameter><y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.0" nodeRatioX="0.0" nodeRatioY="0.0" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/></y:ModelParameter></y:NodeLabel>
           <y:UML clipContent="true" constraint="" hasDetailsColor="false" omitDetails="false" stereotype="" use3DEffect="true">
-            <y:AttributeLabel xml:space="preserve">position: float
+            <y:AttributeLabel xml:space="preserve"># position: float
-curVelocity: float
+# curVelocity: float
-maxVelocity: float
+# maxVelocity: float
-brakeProp: float</y:AttributeLabel>
+# brakeProp: float</y:AttributeLabel>
-            <y:MethodLabel xml:space="preserve">timeElapse(timestep: int): void</y:MethodLabel>
+            <y:MethodLabel xml:space="preserve">+ timeElapse(timestep: float): void</y:MethodLabel>
           </y:UML>
         </y:UMLClassNode>
       </data>
     </node>
     <node id="n1">
       <data key="d4" xml:space="preserve"/>
-      <data key="d5"/>
       <data key="d6">
         <y:UMLClassNode>
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           <y:Fill color="#FFCC00" transparent="false"/>
           <y:BorderStyle color="#000000" type="line" width="1.0"/>
           <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="13" fontStyle="bold" hasBackgroundColor="false" hasLineColor="false" height="19.92626953125" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#000000" verticalTextPosition="bottom" visible="true" width="38.68994140625" x="94.155029296875" xml:space="preserve" y="3.0">Track<y:LabelModel><y:SmartNodeLabelModel distance="4.0"/></y:LabelModel><y:ModelParameter><y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.0" nodeRatioX="0.0" nodeRatioY="0.0" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/></y:ModelParameter></y:NodeLabel>
           <y:UML clipContent="true" constraint="" hasDetailsColor="false" omitDetails="false" stereotype="" use3DEffect="true">
             <y:AttributeLabel xml:space="preserve"/>
-            <y:MethodLabel xml:space="preserve">timeElapse(timestep: int): void</y:MethodLabel>
+            <y:MethodLabel xml:space="preserve">+ timeElapse(timestep: float): void</y:MethodLabel>
           </y:UML>
         </y:UMLClassNode>
       </data>
     </node>
     <node id="n2">
       <data key="d4" xml:space="preserve"/>
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       <data key="d6">
         <y:UMLClassNode>
-          <y:Geometry height="116.00000000000003" width="174.21875" x="-26.453125" y="-56.39999999999999"/>
+          <y:Geometry height="116.00000000000003" width="174.21875" x="298.390625" y="528.5999999999997"/>
           <y:Fill color="#FFCC00" transparent="false"/>
           <y:BorderStyle color="#000000" type="line" width="1.0"/>
           <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="13" fontStyle="bold" hasBackgroundColor="false" hasLineColor="false" height="19.92626953125" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#000000" verticalTextPosition="bottom" visible="true" width="124.65625" x="24.78125" xml:space="preserve" y="3.0">VehicleTimeRecord<y:LabelModel><y:SmartNodeLabelModel distance="4.0"/></y:LabelModel><y:ModelParameter><y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.0" nodeRatioX="0.0" nodeRatioY="0.0" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/></y:ModelParameter></y:NodeLabel>
           <y:UML clipContent="true" constraint="" hasDetailsColor="false" omitDetails="false" stereotype="" use3DEffect="true">
-            <y:AttributeLabel xml:space="preserve">position: float
+            <y:AttributeLabel xml:space="preserve"># position: float
-velocity: float
+# velocity: float
-timestep: int</y:AttributeLabel>
+# timestep: float</y:AttributeLabel>
             <y:MethodLabel xml:space="preserve"/>
           </y:UML>
         </y:UMLClassNode>
@@ -69,7 +66,6 @@ timestep: int</y:AttributeLabel>
     </node>
     <edge id="e0" source="n1" target="n0">
       <data key="d8" xml:space="preserve"/>
-      <data key="d9"/>
       <data key="d10">
         <y:PolyLineEdge>
           <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
@@ -81,7 +77,6 @@ timestep: int</y:AttributeLabel>
     </edge>
     <edge id="e1" source="n0" target="n2">
       <data key="d8" xml:space="preserve"/>
-      <data key="d9"/>
       <data key="d10">
         <y:PolyLineEdge>
           <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
@@ -91,6 +86,22 @@ timestep: int</y:AttributeLabel>
         </y:PolyLineEdge>
       </data>
     </edge>
+    <edge id="e2" source="n0" target="n0">
+      <data key="d8" xml:space="preserve"/>
+      <data key="d9" xml:space="preserve"><![CDATA[asdsad
+]]></data>
+      <data key="d10">
+        <y:PolyLineEdge>
+          <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0">
+            <y:Point x="198.50000000000006" y="309.45312499999994"/>
+          </y:Path>
+          <y:LineStyle color="#000000" type="line" width="1.0"/>
+          <y:Arrows source="none" target="none"/>
+          <y:EdgeLabel alignment="center" configuration="AutoFlippingLabel" distance="2.0" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.701171875" horizontalTextPosition="center" iconTextGap="4" modelName="custom" preferredPlacement="anywhere" ratio="0.5" textColor="#000000" verticalTextPosition="bottom" visible="true" width="69.373046875" x="-89.81295776367182" xml:space="preserve" y="51.952835083007756"># forerunner<y:LabelModel><y:SmartEdgeLabelModel autoRotationEnabled="false" defaultAngle="0.0" defaultDistance="10.0"/></y:LabelModel><y:ModelParameter><y:SmartEdgeLabelModelParameter angle="0.0" distance="30.0" distanceToCenter="true" position="right" ratio="0.5" segment="0"/></y:ModelParameter><y:PreferredPlacementDescriptor angle="0.0" angleOffsetOnRightSide="0" angleReference="absolute" angleRotationOnRightSide="co" distance="-1.0" frozen="true" placement="anywhere" side="anywhere" sideReference="relative_to_edge_flow"/></y:EdgeLabel>
+          <y:BendStyle smoothed="false"/>
+        </y:PolyLineEdge>
+      </data>
+    </edge>
   </graph>
   <data key="d7">
     <y:Resources/>