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Remise à niveau : Création d'un jeu Pong ( joueur vs petite I.A.)

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(@sebasuchan)
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Début du sujet  

Bonjour, pour commencer dans ma formation de développeur de jeux vidéo,  je viens de faire une remise à niveau en créant sur l'un des ateliers un jeu Pong.

Voici le résultat en langage Lua, avec le framework LÖve (love2d)


screenWidth = love.graphics.getWidth()
screenHeight = love.graphics.getHeight()

middleScreenW = screenWidth / 2
middleScreenH = screenHeight / 2


rect1 = {
x =15,
y =300,
w =10,
h =100,
SpeedX = 7,
SpeedY = 7

}

rect2 = {
x =770,
y =300,
w =10,
h =100,
SpeedX = 5,
SpeedY = 5

}

ball = {
x =middleScreenW,
y =middleScreenH,
w =10,
h =10,
SpeedX = 7,
SpeedY = 7

}

middleBallx = ball.w/2
middleBally = ball.h/2

middleRecty = rect2.h/2

middleStartRect = middleScreenH - middleRecty


function middleBallFunc()
ball.x = middleScreenW - ball.w
ball.y = middleScreenH - ball.h
ball.SpeedX = 5
ball.SpeedY = 5
end


--var score default
scoreRect1 = 0
scoreRect2 = 0

--iaComTracker = 5

--list trails
trailList ={}

function love.load()

--sound and music
soundFxRect = love.audio.newSource("collide.mp3","static")
soundFxArea = love.audio.newSource("buzzer.mp3","static")

musicBack = love.audio.newSource("music.mp3","stream")

middleBallFunc()

-- start position rect1
rect1.x = 10
rect1.y = middleStartRect

-- start position rect2
rect2.x = screenWidth - rect2.w -10
rect2.y = middleStartRect

--modify size value
varValueFontSize = 40
font = love.graphics.newFont(varValueFontSize)
scallFontSize = (varValueFontSize / 2)



end

function love.update(dt)

--music play
musicBack:play()

--rect1 control keyboard

--up and limit area top
if love.keyboard.isDown("up") then
rect1.y = rect1.y - rect1.SpeedY
if rect1.y < 0 then
rect1.y = 0
end
end

--down and limit area bottom
if love.keyboard.isDown("down") then
rect1.y = rect1.y + rect1.SpeedY
if rect1.y + rect1.h > screenHeight then
rect1.y = screenHeight - rect1.h
end
end

--ball coords start speed
ball.x = ball.x + ball.SpeedX
ball.y = ball.y + ball.SpeedY

--interact area right
if ball.x > screenWidth - ball.w then
soundFxArea:play()
ball.SpeedX = - ball.SpeedX
middleBallFunc()
--increment Win rect1
scoreRect1 = scoreRect1 + 1
end

--interact area left
if ball.x < 0 then
soundFxArea:play()
ball.SpeedX = - ball.SpeedX
middleBallFunc()
--increment Win rect2
scoreRect2 = scoreRect2 + 1
end

--top interact and inverse direction
if ball.y > screenHeight - ball.h then
ball.SpeedY = - ball.SpeedY
end

--bottom interact and inverse direction
if ball.y < 0 then
ball.SpeedY = - ball.SpeedY
end

--interact rect 1 and ball
if ball.x <= rect1.x + rect1.w then
if ball.y + ball.h > rect1.y and ball.y + ball.h < rect1.y + rect1.h + rect1.w then --if ball.y + ball.h > rect1.y and ball.y < rect1.y + rect1.h then
soundFxRect:play()
ball.SpeedX = - ball.SpeedX
--ball.SpeedY = - ball.SpeedY
ball.x = rect1.x + rect1.w

end
end

--interact rect 2 and ball
if ball.x + ball.w >= rect2.x then
if ball.y + ball.w > rect2.y and ball.y + ball.w + ball.h < rect2.y + rect2.h then --if ball.y + ball.h + ball.w > rect2.y and ball.y + ball.w < rect2.y + rect2.h then
soundFxRect:play()
ball.SpeedX = - ball.SpeedX
--ball.SpeedY = - ball.SpeedY
ball.x = rect2.x - ball.w
end
end


--rect2 tracker ball
--conditionnal instruction
if ball.y + middleBally > rect2.y + middleRecty then
rect2.y = rect2.y + rect2.SpeedY


elseif ball.y + middleBally < rect2.y + middleRecty then
rect2.y = rect2.y - rect2.SpeedY
end

if rect2.y <= 0 then
rect2.y = 0
end

if rect2.y >= screenHeight - rect2.h then
rect2.y = screenHeight - rect2.h
end


--remove trail ball
for n=#trailList,1,-1 do
t = trailList[n]
t.life = t.life - dt
--particle collide
if ball.x <= rect1.x + rect1.w or ball.x + ball.w >= rect2.x then
t.x = t.x + t.vx
t.y = t.y + t.vy
end
--remove last trail limit time
if t.life <= 0 then
table.remove(trailList,n)
end
end


--my trail
local myTrail = {
x = ball.x,
y = ball.y,
vx = math.random(-1,5),
vy = math.random(-1,5),
r = math.random(),
g = math.random(),
b = math.random(),
life = 0.5
}

--2d list
table.insert(trailList,myTrail)

--print score
score = scoreRect1.." : "..scoreRect2
lenScoreMiddle = string.len(score)/2
numValueScoreMiddle = tonumber(lenScoreMiddle)


end

function love.draw()

--Draw rect1 and rect2
rect1Draw = love.graphics.rectangle("fill",rect1.x,rect1.y,rect1.w,rect1.h)
rect2Draw = love.graphics.rectangle("fill",rect2.x,rect2.y,rect2.w,rect2.h)

--draw trails and modify color
for n=1,#trailList do
local t = trailList[n]
love.graphics.setColor(0,255,255,t.life/2)


love.graphics.rectangle("fill",t.x,t.y,ball.w,ball.h)
end


--line middle
line000 = love.graphics.rectangle("fill",middleScreenW - 1,55,2,screenHeight)

--draw ball
love.graphics.setColor(1,1,1,1)
ballDraw = love.graphics.rectangle("fill",ball.x,ball.y,ball.w,ball.h)

--print and modify value text
love.graphics.setFont(font)

love.graphics.print(score,(middleScreenW - 2.5 * scallFontSize + 5),10)
end

   
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