Se agregó fondo y se corrigieron los angulos diagonales

Something.java

@@ -15,6 +15,7 @@ import javafx.event.ActionEvent;
 import javafx.event.EventHandler;
 import javafx.scene.input.KeyEvent;
 import javafx.scene.input.KeyCode;
+import javafx.scene.paint.Color;
 //import Bicicleta;
 
 public class Something extends Application
@@ -28,9 +29,10 @@ public class Something extends Application
     public void start(Stage stage)
     {
         double distancia = 10;
-        Canvas canvas = new Canvas(700, 700);
+        Canvas canvas = new Canvas(1300, 800);
         GraphicsContext gc = canvas.getGraphicsContext2D();
-        gc.setLineWidth(2.0);
+        gc.setLineWidth(5.0);
+        //gc.setStroke(Color.BLUE);
         Pane root = new Pane();
         ImageView imagen;
 
@@ -40,7 +42,7 @@ public class Something extends Application
             //FileInputStream inputstream = new FileInputStream("file:javacleta.png");
             FileInputStream inputstream = new FileInputStream("bici.png");
             //se setea el tamaño de la imagen!
-            Image img = new Image(inputstream, 50, 50, false, false);
+            Image img = new Image(inputstream, 60, 60, false, false);
             //gc.drawImage(img, 0, 0);
             //es 350 menos porque se toma en cuenta el tamaño de la imagen!
             //gc.drawImage(img, bicicleta.x, 350-bicicleta.y);
@@ -93,7 +95,7 @@ public class Something extends Application
             boton1.setOnAction(new EventHandler<ActionEvent>() {
                 @Override
                 public void handle(ActionEvent event) {
-                    mover(gc, bicicleta, distancia, 2.09439510238807, imagen);
+                    mover(gc, bicicleta, distancia, 2.3561944901865, imagen);
                 }
             });
 
@@ -115,7 +117,7 @@ public class Something extends Application
             boton3.setOnAction(new EventHandler<ActionEvent>() {
                 @Override
                 public void handle(ActionEvent event) {
-                    mover(gc, bicicleta, distancia, 0.5235987755970001, imagen);
+                    mover(gc, bicicleta, distancia, 0.7853981633955001, imagen);
                 }
             });
 
@@ -148,7 +150,7 @@ public class Something extends Application
             boton6.setOnAction(new EventHandler<ActionEvent>() {
                 @Override
                 public void handle(ActionEvent event) {
-                    mover(gc, bicicleta, distancia, 3.665191429179, imagen);
+                    mover(gc, bicicleta, distancia, 3.9269908169775, imagen);
                 }
             });
 
@@ -170,17 +172,13 @@ public class Something extends Application
             boton8.setOnAction(new EventHandler<ActionEvent>() {
                 @Override
                 public void handle(ActionEvent event) {
-                    mover(gc, bicicleta, distancia, 5.23598775597, imagen);
+                    mover(gc, bicicleta, distancia, 5.4977871437685, imagen);
                 }
             });
 
 
             
-            root.setStyle("-fx-border-style: solid inside;" +
-            "-fx-border-width: 2;" +
-            "-fx-border-insets: 5;" +
-            "-fx-border-radius: 5;" +
-            "-fx-border-color: blue;");
+            root.setStyle("-fx-background-image: url(\"mapamundi.jpg\");");
 
             root.getChildren().add(canvas);
             root.getChildren().add(boton1);
@@ -197,13 +195,13 @@ public class Something extends Application
 
             scene.setOnKeyPressed(e -> {
                 if (e.getCode() == KeyCode.NUMPAD1) {
-                    mover(gc, bicicleta, distancia, 3.665191429179, imagen);
+                    mover(gc, bicicleta, distancia, 3.9269908169775, imagen);
                 }
                 else if (e.getCode() == KeyCode.NUMPAD2) {
                     mover(gc, bicicleta, distancia, 4.712388980373, imagen);
                 }
                 else if (e.getCode() == KeyCode.NUMPAD3) {
-                    mover(gc, bicicleta, distancia, 5.23598775597, imagen);
+                    mover(gc, bicicleta, distancia, 5.4977871437685, imagen);
                 }
                 else if (e.getCode() == KeyCode.NUMPAD4) {
                     mover(gc, bicicleta, distancia, 3.141592653582001, imagen);
@@ -212,13 +210,13 @@ public class Something extends Application
                     mover(gc, bicicleta, distancia, 0, imagen);
                 }
                 else if (e.getCode() == KeyCode.NUMPAD7) {
-                    mover(gc, bicicleta, distancia, 2.09439510238807, imagen);
+                    mover(gc, bicicleta, distancia, 2.3561944901865, imagen);
                 }
                 else if (e.getCode() == KeyCode.NUMPAD8) {
                     mover(gc, bicicleta, distancia, 1.570796326791001, imagen);
                 }
                 else if (e.getCode() == KeyCode.NUMPAD9) {
-                    mover(gc, bicicleta, distancia, 0.5235987755970001, imagen);
+                    mover(gc, bicicleta, distancia, 0.7853981633955001, imagen);
                 }
                 else if (e.getCode() == KeyCode.PLUS) {
                     //distancia++;