I am making android game in unity it is a bout ball hit a wall then reflect to player and the player should press on right button(cube) of 4 button(cubes) ->(up,under,right,left) to reflect the ball to wall and if he press on wrong button the ball do not reflect and the player lose chance of 3 chances , and the player have 3 chances if he lose it the game stop

so -i want c# script to make the ball reflect randomly in 4 position(up,under,right,left)

and -other one to fixed if the player press on right button or no

and -other one to make 3 chances and if he lose it the game stop

please help me ,