Joystick 1.1

Main.lua

--# Main
-- Joystick

-- Use this function to perform your initial setup
function setup()
    log("setup main")
    
    --setup left controller
    joystickLeft = JoystickController("LEFT")

    --setup right controller
    joystickRight = JoystickController("RIGHT")

    --setup hero
    character = CharacterSprite()
    
    parameter.watch("joystickLeft.jsDeltaPos")
    parameter.watch("joystickRight.jsDeltaPos")
    
end

-- This function gets called once every frame
function draw()
    -- Set Style Here
    background(40, 40, 50)
    strokeWidth(5)
    
    -- Do your drawing here
    
    joystickLeft:draw()
    joystickRight:draw()
    character:draw()
    
end

function touched(touch)
    if touch.x < WIDTH/2 then
        joystickLeft:touched(touch)
        if touch.state == BEGAN then
            joystickLeft.visible = true
        elseif touch.state == ENDED then
            joystickLeft.visible = false
        end
    elseif touch.x > WIDTH/2 then
        joystickRight:touched(touch)
        if touch.state == BEGAN then
            joystickRight.visible = true
            character:startFiring()
        elseif touch.state == ENDED then
            joystickRight.visible = false
            character:stopFiring()
        end
    end
end

function log(msg)
    print("Main: "..msg)
end



--# CharacterSprite
CharacterSprite = class()

function CharacterSprite:init(x)
    self:log("init character")
    -- you can accept and set parameters here
    self.x = 200
    self.y = 200
    
    self.speed = 3
    --parameters.watch("self.x")
    --parameters.watch("self.y")
    
    self.fireTimer = 0;
    self.bullets = {}
end

function CharacterSprite:draw()
    -- Codea does not automatically call this method
    
    if joystickLeft.moving then
        --self:log("character::move");   
        local newX = self.x + joystickLeft.jsDeltaPos[1] * self.speed
        local newY = self.y + joystickLeft.jsDeltaPos[2] * self.speed
        
        if newX < 0 then newX = 0 end
        if newX > WIDTH then newX = WIDTH end
        if newY < 0 then newY = 0 end
        if newY > HEIGHT then newY = HEIGHT end
        
        self.x = newX
        self.y = newY
        

        
    end
    
    if joystickRight.firing then
        self.fireTimer = self.fireTimer + 1
        self:checkFire()
    end
    
    for i=1,#self.bullets do
        log("move bullet: "..i)
        if self.bullets[i] == nil then
            --do nothing
        elseif self.bullets[i].x < 0 or self.bullets[i].x > WIDTH then
            self.bullets[i] = nil
        elseif self.bullets[i].y < 0 or self.bullets[i].y > HEIGHT then
            self.bullets[i] = nil
        else
            self.bullets[i]:draw()
        end

    end
    
    sprite("Platformer Art:Guy Standing", self.x, self.y, 25)
   
    
end

function CharacterSprite:touched(touch)
    -- Codea does not automatically call this method
    self:log("touched name: "+self.name)
end

function CharacterSprite:hitTest(x,y)
    self:log("hitTest")
    --return vec2(self.x, self.y):dist(vec2(x,y)) < self.r
end

function CharacterSprite:moveLeft()
    self:log("moveLeft")
    self.x = self.x - 1
end

function CharacterSprite:moveRight()
    self:log("moveRight")
    self.x = self.x + 1
end

function CharacterSprite:startFiring()
    self:log("startFiring: ")
    self.fireTimer = 0;
end

function CharacterSprite:checkFire()
    --log("checkFire: "..self.fireTimer)
    if self.fireTimer > 10 then
        self.fireTimer = 0
        self:fire()
    end
end

function CharacterSprite:fire()
    self:log("FIRE!: ")
    
    local bullet = Bullet(joystickRight.jsDeltaPos, self)
    self.bullets[#self.bullets +1] = bullet
end

function CharacterSprite:destroyBullet()
    self:log("FIRE!: ")
    Bullet()
end

function CharacterSprite:stopFiring()
    self:log("stopFiring: ")
end

function CharacterSprite:log(msg)
    print("Character: "..msg)
end

--# Bullet
Bullet = class()

function Bullet:init(vector, callback)
    self:log("init: "..vector[1]..","..vector[2])
    -- you can accept and set parameters here
    self.callback = callback
    self.vector = vector
    self.x = character.x
    self.y = character.y
end

function Bullet:draw()
    self:log("draw")
    -- Codea does not automatically call this method

    self.x = self.x + self.vector[1] * 20
    self.y = self.y + self.vector[2] * 20
    ellipse(self.x,self.y,5,5)
end

function Bullet:touched(touch)
    -- Codea does not automatically call this method
end

function Bullet:log(msg)
    print("Bullet: "..msg)
end
--# JoystickController
JoystickController = class()


function JoystickController:init(whichSide)
    self:log("init joystick whichSide: "..whichSide)
    -- you can accept and set parameters here
    self.xpos = 100
    self.ypos = 100
    self.x = xpos
    self.y = ypos
    self.visible = false
    self.graphic = ellipse(100,100)
    
    self.LEFT = "LEFT"
    self.RIGHT = "RIGHT"
    self.WHICHSIDE = whichSide
    
    self.jsDeltaPos = vec2(0,0)
end



function JoystickController:draw()
    if self.WHICHSIDE == self.RIGHT then
        --self:log("draw: "..self.WHICHSIDE)
    end
    
    -- Codea does not automatically call this method
    
    if self.visible == true then
        ellipse(self.xpos, self.ypos, 200, 200)
        ellipse(CurrentTouch.x,CurrentTouch.y,50,50)
    end
    
end

function JoystickController:touched(touch)
    -- Codea does not automatically call this method
    --self:log("js.touched")
    
    self.jsDeltaPos = vec2(touch.x - self.xpos, touch.y - self.ypos):normalize()
    --self.jsDeltaPos.normalize()
    
    if touch.state == BEGAN then
        self:log("touch began: "..self.WHICHSIDE)
        self:log("touch began: "..touch.x..", "..touch.y)
        
        self.xpos = touch.x
        self.ypos = touch.y
        self.visible = true
        
        self.jsDeltaPos = vec2(0,0)
        
        if self.WHICHSIDE == self.LEFT then
            self.moving = true
        elseif self.WHICHSIDE == self.RIGHT then
            self.firing = true
        end
        
    elseif touch.state == ENDED then
        self:log("touch ended: "..touch.x..", "..touch.y)
        self.visible = false
        
        self.jsDeltaPos = vec2(0,0)
        
        if self.WHICHSIDE == self.LEFT then
            self.moving = false
        elseif self.WHICHSIDE == self.RIGHT then
            self.firing = false
        end
    end
    
end

function JoystickController:log(msg)
    print("JoystickController: "..msg)
end