@@ -5,6 +5,7 @@ import androidx.constraintlayout.widget.ConstraintLayout; | |||||
import android.os.Bundle; | import android.os.Bundle; | ||||
import android.view.View; | import android.view.View; | ||||
import android.widget.Button; | |||||
import android.widget.TextView; | import android.widget.TextView; | ||||
import java.util.Observable; | import java.util.Observable; | ||||
@@ -14,12 +15,13 @@ public class MainActivity extends AppCompatActivity implements Observer { | |||||
protected Track track; | protected Track track; | ||||
protected TrackView trackView; | protected TrackView trackView; | ||||
protected Worker worker; | |||||
@Override | @Override | ||||
protected void onCreate(Bundle savedInstanceState) { | protected void onCreate(Bundle savedInstanceState) { | ||||
super.onCreate(savedInstanceState); | super.onCreate(savedInstanceState); | ||||
setContentView(R.layout.activity_main); | setContentView(R.layout.activity_main); | ||||
this.track = new Track(20, 50); | |||||
this.track = new Track(25, 100); | |||||
this.trackView = new TrackView(this, this.track); | this.trackView = new TrackView(this, this.track); | ||||
this.track.addObserver(this); | this.track.addObserver(this); | ||||
ConstraintLayout layout = (ConstraintLayout) findViewById(R.id.constr_layout); | ConstraintLayout layout = (ConstraintLayout) findViewById(R.id.constr_layout); | ||||
@@ -28,23 +30,59 @@ public class MainActivity extends AppCompatActivity implements Observer { | |||||
@Override | @Override | ||||
public void update(Observable observable, Object o) { | public void update(Observable observable, Object o) { | ||||
String s = ""; | |||||
for (Vehicle v: this.track.getVehicles()){ | |||||
s+= "Vehicle " + v.id + " | " | |||||
+ "Pos = " + v.getPosition() + " | " | |||||
+ "Vel = " + v.getCurVelocity()+ " | " | |||||
+ "\n"; | |||||
; | |||||
} | |||||
TextView view = (TextView) findViewById(R.id.debugTextView); | |||||
view.setText(s); | |||||
view.invalidate(); | |||||
this.trackView.invalidate(); | |||||
final Track trackRef = this.track; | |||||
final TrackView viewRef = this.trackView; | |||||
runOnUiThread(new Runnable() { | |||||
@Override | |||||
public void run() { | |||||
String s = ""; | |||||
for (Vehicle v: trackRef.getVehicles()){ | |||||
s+= "Vehicle " + v.id + " | " | |||||
+ "Pos = " + v.getPosition() + " | " | |||||
+ "Vel = " + v.getCurVelocity()+ " | " | |||||
+ "\n"; | |||||
; | |||||
} | |||||
TextView view = (TextView) findViewById(R.id.debugTextView); | |||||
view.setText(s); | |||||
view.invalidate(); | |||||
viewRef.invalidate(); | |||||
} | |||||
}); | |||||
} | } | ||||
public void onStepButtonClick (View view) { | |||||
public void onStepButtonClick(View view) { | |||||
//for (int j = 0; j < 3000; j++) { | //for (int j = 0; j < 3000; j++) { | ||||
this.track.timeElapse(50); | this.track.timeElapse(50); | ||||
//} | //} | ||||
} | } | ||||
public void onPlayButtonClick(View view) { | |||||
Button playButton = (Button) findViewById(R.id.playButton); | |||||
playButton.setEnabled(false); | |||||
Button stepButton = (Button) findViewById(R.id.stepButton); | |||||
stepButton.setEnabled(false); | |||||
Button stopButton = (Button) findViewById(R.id.stopButton); | |||||
stopButton.setEnabled(true); | |||||
this.worker = new Worker(track); | |||||
this.worker.start(); | |||||
} | |||||
public void onStopButtonClick(View view) { | |||||
Button playButton = (Button) findViewById(R.id.playButton); | |||||
playButton.setEnabled(true); | |||||
Button stepButton = (Button) findViewById(R.id.stepButton); | |||||
stepButton.setEnabled(true); | |||||
Button stopButton = (Button) findViewById(R.id.stopButton); | |||||
stopButton.setEnabled(false); | |||||
this.worker.setStop(true); | |||||
try { | |||||
this.worker.join(); | |||||
} catch (InterruptedException ex) { | |||||
} | |||||
} | |||||
} | } |
@@ -17,14 +17,15 @@ public class Track extends Observable { | |||||
} | } | ||||
public Track(int numberVehicles, float trackLength) { | public Track(int numberVehicles, float trackLength) { | ||||
this.vehicles = createVehiclesList(numberVehicles); | |||||
this.trackLength = trackLength; | this.trackLength = trackLength; | ||||
this.vehicles = createVehiclesList(numberVehicles); | |||||
} | } | ||||
protected List<Vehicle> createVehiclesList(int numberVehicles){ | protected List<Vehicle> createVehiclesList(int numberVehicles){ | ||||
List<Vehicle> result = new ArrayList<>(); | List<Vehicle> result = new ArrayList<>(); | ||||
for(int i=0;i<numberVehicles;i++){ | for(int i=0;i<numberVehicles;i++){ | ||||
Vehicle vehicle = new Vehicle(i, i, 5, 0.2f); | |||||
Vehicle vehicle = new Vehicle(i, i, 5, 0.2f, this.trackLength); | |||||
result.add(vehicle); | result.add(vehicle); | ||||
} | } | ||||
@@ -8,14 +8,16 @@ public class Vehicle { | |||||
protected float curVelocity; | protected float curVelocity; | ||||
protected float maxVelocity; | protected float maxVelocity; | ||||
protected float brakeProp; | protected float brakeProp; | ||||
protected float trackLength; | |||||
public Vehicle(int id, int position, float maxVelocity, float brakeProp) { | |||||
public Vehicle(int id, int position, float maxVelocity, float brakeProp, float trackLength) { | |||||
this.id = id; | this.id = id; | ||||
this.position = position; | this.position = position; | ||||
this.maxVelocity = maxVelocity; | this.maxVelocity = maxVelocity; | ||||
this.brakeProp = brakeProp; | this.brakeProp = brakeProp; | ||||
this.curVelocity = 0; | this.curVelocity = 0; | ||||
this.trackLength = trackLength; | |||||
} | } | ||||
@@ -49,7 +51,7 @@ public class Vehicle { | |||||
} | } | ||||
public void timeElapse(float timeStep) { | public void timeElapse(float timeStep) { | ||||
position = (position + curVelocity) % 50; | |||||
position = (position + curVelocity) % this.trackLength; | |||||
} | } | ||||
} | } | ||||
@@ -0,0 +1,22 @@ | |||||
package de.hems.trafficsim; | |||||
public class Worker extends Thread { | |||||
protected Track track; | |||||
protected boolean stop; | |||||
public Worker(Track track) { | |||||
super(); | |||||
this.track = track; | |||||
this.stop = false; | |||||
} | |||||
void setStop(boolean stop) { | |||||
this.stop = stop; | |||||
} | |||||
@Override | |||||
public void run() { | |||||
while (!stop) { | |||||
this.track.timeElapse(50); | |||||
} | |||||
} | |||||
} |
@@ -7,6 +7,19 @@ | |||||
android:layout_height="match_parent" | android:layout_height="match_parent" | ||||
tools:context=".MainActivity"> | tools:context=".MainActivity"> | ||||
<Button | |||||
android:id="@+id/stopButton" | |||||
android:layout_width="wrap_content" | |||||
android:layout_height="wrap_content" | |||||
android:layout_marginBottom="16dp" | |||||
android:enabled="false" | |||||
android:onClick="onStopButtonClick" | |||||
android:text="Stop" | |||||
app:layout_constraintBottom_toBottomOf="parent" | |||||
app:layout_constraintEnd_toEndOf="parent" | |||||
app:layout_constraintHorizontal_bias="0.95" | |||||
app:layout_constraintStart_toStartOf="parent" /> | |||||
<TextView | <TextView | ||||
android:id="@+id/debugTextView" | android:id="@+id/debugTextView" | ||||
android:layout_width="wrap_content" | android:layout_width="wrap_content" | ||||
@@ -23,9 +36,21 @@ | |||||
android:layout_height="wrap_content" | android:layout_height="wrap_content" | ||||
android:layout_marginBottom="16dp" | android:layout_marginBottom="16dp" | ||||
android:onClick="onStepButtonClick" | android:onClick="onStepButtonClick" | ||||
android:text="Button" | |||||
android:text="Step" | |||||
app:layout_constraintBottom_toBottomOf="parent" | app:layout_constraintBottom_toBottomOf="parent" | ||||
app:layout_constraintEnd_toEndOf="parent" | app:layout_constraintEnd_toEndOf="parent" | ||||
app:layout_constraintHorizontal_bias="0.5" | app:layout_constraintHorizontal_bias="0.5" | ||||
app:layout_constraintStart_toStartOf="parent" /> | app:layout_constraintStart_toStartOf="parent" /> | ||||
<Button | |||||
android:id="@+id/playButton" | |||||
android:layout_width="wrap_content" | |||||
android:layout_height="wrap_content" | |||||
android:layout_marginBottom="16dp" | |||||
android:onClick="onPlayButtonClick" | |||||
android:text="Play" | |||||
app:layout_constraintBottom_toBottomOf="parent" | |||||
app:layout_constraintEnd_toEndOf="parent" | |||||
app:layout_constraintHorizontal_bias="0.049" | |||||
app:layout_constraintStart_toStartOf="parent" /> | |||||
</androidx.constraintlayout.widget.ConstraintLayout> | </androidx.constraintlayout.widget.ConstraintLayout> |