Score

1. Score display

local vector = require "vector"

local score_display = {}
score_display.position = vector( 680, 32 )
score_display.score = 0

function score_display.update( dt )
end

function score_display.draw()
   love.graphics.print( "Score: " .. tostring( score_display.score ),
                        score_display.position.x,
                        score_display.position.y )
end

3. Modifications to side_panel

side_panel.lives_display = lives_display
side_panel.score_display = score_display

function side_panel.update( dt )
   side_panel.lives_display.update( dt )
   side_panel.score_display.update( dt )
end

function side_panel.draw()
   side_panel.draw_background()
   side_panel.lives_display.draw()
   side_panel.score_display.draw()
end

function side_panel.reset()
   side_panel.lives_display.reset()
   side_panel.score_display.reset()
end

4. Modifications to "game"