- Isometric Camera

- Zoom Bounds added.
 - Camera Panning Bounds added. Need to be tested with extra maps.

tags : #story[1273]

src/main/java/seng302/visualiser/cameras/IsometricCamera.java

@@ -1,54 +1,101 @@
 package seng302.visualiser.cameras;
 
 import javafx.collections.ObservableList;
+import javafx.geometry.Point3D;
 import javafx.scene.PerspectiveCamera;
+import javafx.scene.transform.Rotate;
 import javafx.scene.transform.Transform;
 import javafx.scene.transform.Translate;
 
 public class IsometricCamera extends PerspectiveCamera implements RaceCamera {
 
-    private final Double PAN_LIMIT = 50.0;
-    private final Double NEAR_ZOOM_LIMIT = -15.0;
-    private final Double FAR_ZOOM_LIMIT = -125.0;
+    private final Double MIN_X = -120.0;
+    private final Double MAX_X = 125.0;
 
-    private Double horizontalAdjustment;
-    private Double verticalAdjustment;
+    private final Double MIN_Y = 40.0;
+    private final Double MAX_Y = 170.0;
 
-    ObservableList<Transform> transforms;
+    private final Double PAN_LIMIT = 160.0;
+    private final Double NEAR_ZOOM_LIMIT = -50.0;
+    private final Double FAR_ZOOM_LIMIT = -160.0;
 
-    public IsometricCamera(Double cameraStartX, Double cameraStartY, Double cameraDepth) {
+    private Double horizontalPan;
+    private Double verticalPan;
+    private Double zoomFactor;
+
+    private ObservableList<Transform> transforms;
+
+    public IsometricCamera(Double cameraStartX, Double cameraStartY) {
         super(true);
         transforms = this.getTransforms();
-        transforms.addAll(new Translate(cameraStartX, cameraStartY, cameraDepth));
+
+        zoomFactor = (FAR_ZOOM_LIMIT + NEAR_ZOOM_LIMIT) / 2.0;
+        horizontalPan = cameraStartX;
+        verticalPan = cameraStartY;
+
+        updateCamera();
+    }
+
+    private void updateCamera() {
+        System.out.println("----");
+        System.out.println(horizontalPan);
+        System.out.println(verticalPan);
+        System.out.println("----");
+        transforms.clear();
+        transforms.addAll(
+            new Translate(horizontalPan, verticalPan, zoomFactor),
+            new Rotate(30, new Point3D(1, 0, 0))
+        );
+    }
+
+    private void adjustZoomFactor(Double adjustment) {
+        if (zoomFactor + adjustment < NEAR_ZOOM_LIMIT && zoomFactor + adjustment > FAR_ZOOM_LIMIT) {
+            zoomFactor = zoomFactor + adjustment;
+            updateCamera();
+        }
+    }
+
+    private void adjustVerticalPan(Double adjustment) {
+        if (verticalPan + adjustment >= MIN_Y && verticalPan + adjustment <= MAX_Y) {
+            verticalPan += adjustment;
+            updateCamera();
+        }
+    }
+
+    private void adjustHorizontalPan(Double adjustment) {
+        if (horizontalPan + adjustment >= MIN_X && horizontalPan + adjustment <= MIN_Y) {
+            this.horizontalPan += adjustment;
+            updateCamera();
+        }
     }
 
     @Override
     public void zoomIn() {
-        transforms.addAll(new Translate(0, 0, 1.5));
+        adjustZoomFactor(-2.5);
     }
 
     @Override
     public void zoomOut() {
-        transforms.addAll(new Translate(0, 0, -1.5));
+        adjustZoomFactor(2.5);
     }
 
     @Override
     public void panLeft() {
-        transforms.addAll(new Translate(-1, 0, 0));
+        adjustHorizontalPan(-2.5);
     }
 
     @Override
     public void panRight() {
-        transforms.addAll(new Translate(1, 0, 0));
+        adjustHorizontalPan(2.5);
     }
 
     @Override
     public void panUp() {
-        transforms.addAll(new Translate(0, -1, 0));
+        adjustVerticalPan(-2.5);
     }
 
     @Override
     public void panDown() {
-        transforms.addAll(new Translate(0, 1, 0));
+        adjustVerticalPan(2.5);
     }
 }