Added scroll-wheel zooming

- Race pane listens to scroll delta and sets View3D distance accordingly
- GPSConverter has more applicable property names for infinite 3D

#story[1190]

racevisionGame/src/main/java/visualiser/layout/View3D.java

@@ -51,8 +51,6 @@ public class View3D extends Pane {
      */
     private Rotate pitch;
 
-    private PerspectiveCamera camera;
-
     /**
      * Default constructor for View3D. Sets up Scene and PerspectiveCamera.
      */
@@ -88,9 +86,7 @@ public class View3D extends Pane {
         yaw = new Rotate(0, Rotate.Y_AXIS);
         pitch = new Rotate(0, Rotate.X_AXIS);
         camera.getTransforms().addAll(pivot, yaw, pitch, distance);
-        centerCamera();
 
-        this.camera = camera;
         return camera;
     }
 
@@ -120,12 +116,6 @@ public class View3D extends Pane {
         this.pivot.setZ(pivot.getZ());
     }
 
-    public void updatePosition(double x, double y, double z) {
-        this.distance.setX(x);
-        this.distance.setY(y);
-        this.distance.setZ(z);
-    }
-
     /**
      * Set distance of camera from pivot
      * @param distance in units
@@ -134,6 +124,10 @@ public class View3D extends Pane {
         this.distance.setZ(-distance);
     }
 
+    public void updateDistance(double delta) {
+        this.distance.setZ(this.distance.getZ() - delta);
+    }
+
     /**
      * Set angle of camera from z-axis along ground
      * @param yaw in degrees
@@ -149,13 +143,4 @@ public class View3D extends Pane {
     public void setPitch(double pitch) {
         this.pitch.setAngle(-pitch);
     }
-
-    public void centerCamera(){
-    }
-
-    public void rotateCamera(double angle, double x, double y, double z){
-        camera.setRotationAxis(new Point3D(x, y, z));
-        camera.setRotate(-90);
-    }
-
 }