Add collision
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Andros Fenollosa
parent
784c64d47e
commit
e17d7b8139
180
main.lua
180
main.lua
@ -4,15 +4,41 @@ function table_length(T)
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return count
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end
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function love.load(arg)
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local clock = os.clock
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function sleep(n) -- seconds
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local t0 = clock()
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while clock() - t0 <= n do end
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end
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-- Collision detection function.
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-- Returns true if two boxes overlap, false if they don't
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-- x1,y1 are the left-top coords of the first box, while w1,h1 are its width and height
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-- x2,y2,w2 & h2 are the same, but for the second box
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function CheckCollision(x1,y1,w1,h1, x2,y2,w2,h2)
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return x1 < x2+w2 and
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x2 < x1+w1 and
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y1 < y2+h2 and
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y2 < y1+h1
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end
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function love.load()
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-- Configuración
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math.randomseed(os.time())
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love.window.setMode(1280, 720, {resizable=false})
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love.window.setTitle( 'Alunizaje' )
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camara_width = 1280
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camara_height = 720
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debug = false
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play = true
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win = false
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font = love.graphics.newFont(40)
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love.graphics.setFont(font)
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love.window.setMode(camara_width, camara_height, {resizable=false})
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-- love.window.setFullscreen(true)
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love.window.setTitle('Alunizaje')
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fondo = { x = 0, y = 0, img = love.graphics.newImage('assets/img/fondo.jpg') }
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game_height = 2880
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game_width = 1280
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gravedad = 2
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distancia_luna = 100
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-- Fisicas
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love.physics.setMeter(64) -- Altura del mundo en metros
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world = love.physics.newWorld(0, gravedad * 64, true) -- Crea el mundo físico
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@ -40,7 +66,7 @@ function love.load(arg)
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for i=1, num_asteroides do
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temp_img = img_asteroide[math.random(1, table_length(img_asteroide))]
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asteroides[i] = { x = math.random(0, game_width - temp_img:getWidth()),
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y = math.random(0, game_height - temp_img:getHeight()),
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y = math.random(200, game_height - temp_img:getHeight()),
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speed = math.random(1, max_speed),
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img = temp_img,
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angle = math.random(0, 90)}
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@ -48,62 +74,95 @@ function love.load(arg)
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end
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function love.update(dt)
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-- Fisicas del mundo
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world:update(dt)
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if play then
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-- Fisicas del mundo
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world:update(dt)
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-- Controles
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if love.keyboard.isDown('escape') then
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love.event.push('quit')
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end
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if love.keyboard.isDown("right") then
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nave.body:applyForce(nave.power, 0)
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elseif love.keyboard.isDown("left") then
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nave.body:applyForce(-nave.power, 0)
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end
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if love.keyboard.isDown("up") then
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nave.body:applyForce(0, -nave.power)
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elseif love.keyboard.isDown("down") then
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nave.body:applyForce(0, nave.power)
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end
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-- Asteroides rotar
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for key, value in pairs(asteroides) do
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-- Rota
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value.angle = asteroides[key].angle + (dt * math.pi / 10)
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value.x = asteroides[key].x - asteroides[key].speed
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end
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-- Asteroides destruir
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for key, value in pairs(asteroides) do
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-- Destruye los que salen de pantalla
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if value.x + asteroides[key].img:getWidth() < 0 then
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table.remove(asteroides, key)
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-- Controles
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if love.keyboard.isDown('escape') then
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love.event.push('quit')
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end
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end
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-- Asteroides crear
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if table_length(asteroides) < num_asteroides then
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temp_img = img_asteroide[math.random(1, table_length(img_asteroide))]
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asteroides[table_length(asteroides) + 1] = {
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x = game_width + temp_img:getWidth(),
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y = math.random(0, game_height - temp_img:getHeight()),
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speed = math.random(1, max_speed),
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img = temp_img,
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angle = math.random(0, 90)}
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if love.keyboard.isDown("right") then
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nave.body:applyForce(nave.power, 0)
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elseif love.keyboard.isDown("left") then
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nave.body:applyForce(-nave.power, 0)
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end
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if love.keyboard.isDown("up") then
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nave.body:applyForce(0, -nave.power)
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elseif love.keyboard.isDown("down") then
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nave.body:applyForce(0, nave.power)
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end
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-- Asteroides rotar
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for key, value in pairs(asteroides) do
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-- Rota
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value.angle = asteroides[key].angle + (dt * math.pi / 10)
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value.x = asteroides[key].x - asteroides[key].speed
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end
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-- Asteroides destruir
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for key, value in pairs(asteroides) do
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-- Destruye los que salen de pantalla
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if value.x + asteroides[key].img:getWidth() < 0 then
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table.remove(asteroides, key)
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end
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end
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-- Asteroides crear
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if table_length(asteroides) < num_asteroides then
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temp_img = img_asteroide[math.random(1, table_length(img_asteroide))]
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asteroides[table_length(asteroides) + 1] = {
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x = game_width + temp_img:getWidth(),
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y = math.random(0, game_height - temp_img:getHeight()),
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speed = math.random(1, max_speed),
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img = temp_img,
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angle = math.random(0, 90)}
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end
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-- Camara
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camara_y = 0
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if camara_height / 2 <= nave.body:getY() then -- Superior
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camara_y = -nave.body:getY() + (camara_height / 2)
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end
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if game_height - camara_height / 2 < nave.body:getY() then --Inferior
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camara_y = -game_height + camara_height
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end
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-- Colision
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if nave.body:getY() <= 0 then -- Arriba del juego
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x, y = nave.body:getLinearVelocity()
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nave.body:setLinearVelocity(x, -y)
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end
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if nave.body:getX() + nave.img:getWidth() > game_width then -- Derecha del juego
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x, y = nave.body:getLinearVelocity()
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nave.body:setLinearVelocity(-x, y)
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end
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if nave.body:getX() < 0 then -- Izquierda del juego
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x, y = nave.body:getLinearVelocity()
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nave.body:setLinearVelocity(-x, y)
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end
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if nave.body:getY() + nave.img:getHeight() + distancia_luna >= game_height then -- Abajo del juego
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nave.body:setLinearVelocity(0, 0)
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win = true
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play = false
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end
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for key, value in pairs(asteroides) do -- Con asteroides
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if CheckCollision(asteroides[key].x - (asteroides[key].img:getWidth() / 2), asteroides[key].y - (asteroides[key].img:getHeight() / 2), asteroides[key].img:getWidth(), asteroides[key].img:getHeight(), nave.body:getX(), nave.body:getY(), nave.img:getWidth(), nave.img:getHeight()) then
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play = false
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end
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end
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else
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sleep(2)
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love.load()
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end
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end
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function love.draw()
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-- Camara
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camara_y = -nave.body:getY() + (game_height / 8) - nave.img:getHeight()
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if (game_height / 8) - nave.img:getHeight() <= nave.body:getY() then
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love.graphics.translate(0, camara_y)
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end
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if game_height - (game_height / 6) < nave.body:getY() then
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love.graphics.translate(0, -game_height)
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end
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-- Camara
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love.graphics.translate(0, camara_y)
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-- Fondo
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love.graphics.draw(fondo.img, fondo.x, fondo.y)
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@ -111,9 +170,22 @@ function love.draw()
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-- Asteroides
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for key, value in pairs(asteroides) do
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love.graphics.draw(value.img, value.x, value.y, value.angle, 1, 1, value.img:getWidth() / 2, value.img:getHeight() / 2)
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if debug then
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love.graphics.rectangle("line", value.x - (value.img:getWidth() / 2), value.y - (value.img:getHeight() / 2), value.img:getWidth(), value.img:getHeight())
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end
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end
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-- Nave
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love.graphics.draw(nave.img, nave.body:getX(), nave.body:getY())
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end
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if debug then
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love.graphics.rectangle("line", nave.body:getX(), nave.body:getY(), nave.img:getWidth(), nave.img:getHeight())
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end
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-- Textos
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if not play and not win then
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love.graphics.print('Game over', (camara_width / 2), -camara_y + (camara_height / 2))
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end
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if not play and win then
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love.graphics.print('You win!', (camara_width / 2), -camara_y + (camara_height / 2))
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end
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end
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