Ability to change ball color is there, along with a few basic colors.

src/game/Options.java

@@ -1,10 +1,27 @@
 package game;
 
+import game.graphics.Texture;
+
 public class Options {
 
 	public static boolean isWASD = true;
+	private static int chosenBallColor = 0;
+
+	private static Texture[] ballColors = new Texture[] {
+			new Texture("res/playerBlue.png"),
+			new Texture("res/playerRed.png"),
+			new Texture("res/playerGreen.png"),
+	};
 
 	public Options() {
 
 	}
+
+	public static void setBallColor(int newBallColor) {
+		chosenBallColor = newBallColor;
+	}
+
+	public static Texture getBallTexture() {
+		return ballColors[chosenBallColor];
+	}
 }

src/game/entity/Player.java

@@ -41,8 +41,8 @@ public class Player {
 		};
 
 		mesh = new VertexArray(vertices, indices, tcs);
-		// TODO: More color options?
-		texture = new Texture("res/playerBlue.png");
+
+		setColor();
 
 		if (Options.isWASD) {
 			playerKeyUp = GLFW.GLFW_KEY_W;
@@ -58,16 +58,32 @@ public class Player {
 	}
 
 	public void update() {
-		if (Input.keys[playerKeyUp])
+		if (Input.keys[playerKeyUp]) {
 			position.y += 0.1f;
-		if (Input.keys[playerKeyDown])
+		}
+		if (Input.keys[playerKeyDown]) {
 			position.y -= 0.1f;
-		if (Input.keys[playerKeyLeft])
+		}
+		if (Input.keys[playerKeyLeft]) {
 			position.x -= 0.1f;
-		if (Input.keys[playerKeyRight])
+		}
+		if (Input.keys[playerKeyRight]) {
 			position.x += 0.1f;
+		}
 
 //		System.out.println("At (" + position.x + ", " + position.y + ")");
+
+		// Just for testing, change color by pressing corresponding number buttons
+		if (Input.keys[GLFW.GLFW_KEY_0]) {
+			Options.setBallColor(0);
+			setColor();
+		} else if (Input.keys[GLFW.GLFW_KEY_1]) {
+			Options.setBallColor(1);
+			setColor();
+		} else if (Input.keys[GLFW.GLFW_KEY_2]) {
+			Options.setBallColor(2);
+			setColor();
+		}
 	}
 
 	public void render() {
@@ -81,4 +97,8 @@ public class Player {
 	public float getY() {
 		return position.y;
 	}
+
+	private void setColor() {
+		texture = Options.getBallTexture();
+	}
 }