Points and enemys?

BramV

Hey,,
I'm making a game where you need to shoot enemys and climb to the top to get points.
I already have my character! Buth how do you make enemys fall randomly out of the 'sky'.
and how do i insert points from 0 to ... that goes up when you go up...?
Pleas help me ou!
Grtz Bram

xhidnoda

Hey!
into Gideros Studio, this example there. Maybe help you. Sorry my bad English

--[[

This code is MIT licensed, see http://www.opensource.org/licenses/mit-license.php
(C) 2010 - 2011 Gideros Mobile

]]

require "box2d"

b2.setScale(20)

-- this function creates a box sprite with 2 happy and sad children
local function createBoxSprite(sx, sy)
local happy = Bitmap.new(Texture.new("happy-box.png", true))
happy:setAnchorPoint(0.5, 0.5)

local sad = Bitmap.new(Texture.new("sad-box.png", true))
sad:setAnchorPoint(0.5, 0.5)

local sprite = Sprite.new()
sprite:addChild(happy)
sprite:addChild(sad)

sprite:setScale(sx, sy)

return sprite
end

-- this table holds the dynamic bodies and their sprites
local actors = {}

-- create world
local world = b2.World.new(0, 9.8)

-- create a ground body and attach an edge shape
local ground = world:createBody({})
local shape = b2.EdgeShape.new(-200, 480, 520, 480)
ground:createFixture({shape = shape, density = 0})

-- every 3 seconds, we create a random box
local function onTimer()
local sx = math.random(70, 100) / 100
local sy = math.random(70, 100) / 100

local body = world:createBody{type = b2.DYNAMIC_BODY, position = {x = math.random(0, 320), y = -35}}

local shape = b2.PolygonShape.new()
-- box images are 70x70 pixels. we create bodies 1 pixel smaller than that.
shape:setAsBox(34.5 * sx, 34.5 * sy)
body:createFixture{shape = shape, density = 1, restitution = 0.1, friction = 0.3}

local sprite = createBoxSprite(sx, sy)
stage:addChild(sprite)

actors[body] = sprite
end

-- set the timer for every 3 seconds
local timer = Timer.new(3000, 0)
timer:addEventListener(Event.TIMER, onTimer)
timer:start()
onTimer() -- create a box immediately

-- step the world and then update the position and rotation of sprites
local function onEnterFrame()
world:step(1/60, 8, 3)

for body,sprite in pairs(actors) do
sprite:setPosition(body:getPosition())
sprite:setRotation(body:getAngle() * 180 / math.pi)

if body:isAwake() then
sprite:getChildAt(1):setVisible(false)
sprite:getChildAt(2):setVisible(true)
else
sprite:getChildAt(1):setVisible(true)
sprite:getChildAt(2):setVisible(false)
end
end

for body,sprite in pairs(actors) do
if sprite:getY() > 600 then
world:destroyBody(body)
stage:removeChild(sprite)
actors[body] = nil
end
end
end

stage:addEventListener(Event.ENTER_FRAME, onEnterFrame)