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L÷VE for Lua Game Programming

You're reading from   L÷VE for Lua Game Programming If you want to create 2D games for Windows, Linux, and OS X, this guide to the L?ñVE framework is a must. Written for hobbyists and professionals, it will help you leverage Lua for fast and easy game development.

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Product type Paperback
Published in Sep 2013
Publisher Packt
ISBN-13 9781782161608
Length 106 pages
Edition 1st Edition
Languages
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Author (1):
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AKINLAJA DAMILARE JOSHUA AKINLAJA DAMILARE JOSHUA
Author Profile Icon AKINLAJA DAMILARE JOSHUA
AKINLAJA DAMILARE JOSHUA
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Toc

Score HUD


Whenever a player hits a coin, kills a player, or picks a diamond, we would need to increase their score by 50, 100, and 150 respectively.

local score = 100
---when player picks coin
function CoinPick(v)
  v.picked = true
  CoinPicked = true

  score = score + 50

end
---when player picks coin
function DiamondPick(v)
  v.picked = true
  DiamondPicked = true

  score = score + 150

end
---when player kills enemy score 100, else remove 100
function collideEnemyWithPlatform(dx,dy,v,obj)
  if obj == player then 
    if (player.t + player.h < v.t + 2) then
      EnemyDie(v)
      Score = score + 100
    else
      Die()
      Score = score - 100 
    end
  end


end
We can now update the love.draw function to print the Life and Score on the screen:

function love.draw()

  if gamestate == "playing" then

    love.graphics.print("Life:"..life, 32, 32)
    love.graphics.print("Score:"..score, 320, 32)

    love.graphics.setFont(medium)

    map:draw()

    DrawPlayer()

    DrawEnemy...
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