Added sprite culling to improve performance

Author: raytr

Diff for: out/production/ShootingGame/game/client/GameCamera.class

@@ -44,4 +44,9 @@ public double getScreenHeight() {
     public double getScreenWidth() {
         return screenWidth;
     }
+
+    public boolean isVisible(double x, double y, double width, double height) {
+        return (x + width > this.getX() && x < (this.getX() + this.getScreenWidth())
+            && y + height > this.getY() && y < (this.getY() + this.getScreenHeight()));
+    }
 }

Diff for: out/production/ShootingGame/game/client/Playfield$1.class

@@ -66,7 +66,9 @@ public void draw(){
         if (canvasHeight != gameArea.getHeight()) gameArea.setHeight(canvasHeight);
         clear();
         for (Sprite s : spriteMap.values()){
-            s.draw(gc);
+            if (gameCamera.isVisible(s.getX(),s.getY(),s.getWidth(),s.getHeight())){
+                s.draw(gc);
+            }
         }
         createBorder();
         if (drawWinMsg){