[Add] Camera follows player.

src/tfg/Camera.java

@@ -0,0 +1,35 @@
+package tfg;
+
+import org.jsfml.graphics.RenderWindow;
+import org.jsfml.graphics.View;
+import org.jsfml.system.Vector2f;
+
+public class Camera {
+    public int[] currentPos = {0, 0};
+    private static RenderWindow window;
+
+    public Camera(RenderWindow newWindow) {
+        window = newWindow;
+    }
+
+    public static void SetWindow(RenderWindow newWindow) {
+        window = newWindow;
+    }
+
+    public static void MoveTo(Vector2f toLoc, float step) {
+        View defaultView = (View) window.getDefaultView();
+        View view = new View(vectorLerp(defaultView.getCenter(),
+            toLoc, step), defaultView.getSize());
+        window.setView(view);
+    }
+
+    public static float Lerp(float x0, float x1, float m) {
+        return x0 + m * (x1-x0);
+    }
+
+    public static Vector2f vectorLerp(Vector2f v0, Vector2f v1, float m) {
+        return new Vector2f(Lerp(v0.x, v1.x, m), Lerp(v0.y, v1.y, m));
+    }
+
+    public static void Rotate() {}
+}

src/tfg/Game.java

@@ -11,8 +11,6 @@ import org.jsfml.window.Keyboard.Key;
 import org.jsfml.window.VideoMode;
 import org.jsfml.window.event.Event;
 
-import java.util.Collections;
-
 /**
  * TFG Game's main class.
  * @author Ritchie Cunningham
@@ -22,6 +20,7 @@ public class Game {
 	private final String renderWindowTitle = "TFG Game";
 	private final Vector2i renderWindowDimensions = new Vector2i(640, 480);
 	private Player player;
+	private Camera camera;
 	private boolean renderWindowFocused = true;
 	private Font pixel = new Font();
 	private int fps;
@@ -47,6 +46,7 @@ public class Game {
 		player = new Player();
 
 		player.changeMap(new Map(10, 10, Tile.SAND));
+		camera = new Camera(renderWindow);
 	}
 
 	/**
@@ -116,6 +116,7 @@ public class Game {
 
 	public void handleLogic() {
 		player.update();
+		Camera.MoveTo(player.getPosition(), 0.5f);
 	}
 
 	public void handleDrawing() {

src/tfg/Player.java

@@ -71,6 +71,10 @@ public class Player implements Drawable {
         playerLoc = new Location(0, 0);
     }
 
+    public Vector2f getPosition() {
+        return playerSprite.getPosition();
+    }
+
     public IntRect getTextureCoords() {
         IntRect textureCoordsRect = new IntRect(0,0,0,0);
 
@@ -147,7 +151,7 @@ public class Player implements Drawable {
         playerSprite.setPosition(
             new Vector2f(tempPosition.x*playerSize.x,
             (tempPosition.y*playerSize.x)-(playerSize.y-playerSize.x)));
-            
+
         playerSprite.setTextureRect(getTextureCoords());
         RenderStates newStates = new RenderStates(playerSpritesheetTexture);
         playerSprite.draw(target, newStates);