Complete the method public float[] getVector(boolean[] wasd) to calculate the players movement vector resulting from user input to the WASD keys.
The method accepts an array of 4 boolean values representing the pressed state of the W, A, S and D keys where true indicates the key is pressed. Any number of keys may be pressed at a time.
The method should return a float array of size 2 representing the x any y components of the resulting movement vector where W and S map to positive and negative y respectively and A and D map to negative and positive x respectively.
The players should always move at speed 1.