Sasha midterm

Level_1.py

# global img

circleY = 300
circleDirection = 1
position = 0
startTime = 0
rectY = 200
rectDirection =1

def drawLevel1():
    global circleY, circleDirection, startTime, position
    # image(img,0,0)
    fill(50,150,200)
    rect(position,200, 50,50)
    # move for a little while, then stop
    if millis() > startTime and millis() < startTime + 2000:
        position = position + 1

    # wait a little while, then reset the startTime variable,
    # so the above timing starts over:
    if millis() > startTime + 4000:
      startTime = millis()
    global rectY
    fill(200,50,150)
    rect(200,rectY,50,50)
    global rectDirection 
    rectY= rectY + rectDirection
    if rectY > width:
        rectDirection = -1
     
    fill(102,51,0)
    ellipse(300,circleY, 50,50) 
    circleY = circleY + circleDirection
    if circleY > width:
        circleDirection = -1
    if circleY < 0:
      circleDirection = 1
    if keyPressed:
        if key == 'j':
            circleDirection = -1

    if key == 'l':
        circleDirection =1
        

Level_2.py

def drawLevel2():
    global img, circleY, circleDirection, startTime, position
    image(img,0,0)
    fill(50,150,200)
    rect(position,200, 50,50)
    # move for a little while, then stop
    if millis() > startTime and millis() < startTime + 1000:
        position = position + 1

    # wait a little while, then reset the startTime variable,
    # so the above timing starts over:
    if millis() > startTime + 3000:
      startTime = millis()
    global rectY
    fill(150,50,200)
    rect(200,rectY,50,50)
    global rectDirection 
    rectY= rectY + rectDirection
    if rectY > width:
        rectDirection = -1
     
    fill(102,51,0)
    ellipse(300,circleY, 50,50) 
    circleY = circleY + circleDirection
    if circleY > width:
        circleDirection = -1
    if circleY < 0:
      circleDirection = 1
    if keyPressed:
        if key == 'j':
            circleDirection = -1

    if key == 'l':
        circleDirection =1
        

midterm_PART_2.pyde

from Level_1 import*
from Level_2 import*
level = 1 
circleY = 300
circleDirection = 1
position = 0
startTime = 0
rectY = 200
rectDirection =1
def setup():
    global img
    size(576,720)
    img = loadImage("grass background.png")
    stroke(50,50,150)


def draw():
    if level == 1:
        drawLevel1()
    elif level ==2:
        drawLevel2()
    
    image(img,0,0)
    global circleY, circleDirection, startTime, position
    fill(50,150,200)
    rect(position,200, 50,50)
    # move for a little while, then stop
    if millis() > startTime and millis() < startTime + 2000:
        position = position + 1

    # wait a little while, then reset the startTime variable,
    # so the above timing starts over:
    if millis() > startTime + 4000:
      startTime = millis()
    global rectY
    fill(200,50,150)
    rect(200,rectY,50,50)
    global rectDirection 
    rectY= rectY + rectDirection
    if rectY > width:
        rectDirection = -1
     
    fill(102,51,0)
    ellipse(300,circleY, 50,50) 
    circleY = circleY + circleDirection
    if circleY > width:
        circleDirection = -1
    if circleY < 0:
      circleDirection = 1
    if keyPressed:
        if key == 'j':
            circleDirection = -1

    if key == 'l':
        circleDirection =1
        

Hi @sgodycki. Good question. So variable scope can be a little tricky across tabs.

In short: global variables are not accessible across tabs. So any variables that you want to use within a tab have to be defined within that tab (i.e., set to an initial value). If there is a variable that you are using in one tab that you want to use in another tab, then you need to pass that variable in to the other tab via your function call. See the week 8 class notes for an example & discussion on how to pass variables in to functions (i.e., parameters).

For example, in your case, if there is a variable that you are using in midterm_PART_2.pyde that you want to use in Level_1.py, you could pass it in via the drawLevel1() function. You would change the function definition to look something like this:

def drawLevel1(arg):

(arg is a variable name and you can call it whatever you'd like.) And then you could use that within drawlLevel() simply as you would use any other variable. For example:

    print(arg)

BUT, I don't think you need to do that here. You can simply use variables in each tab. Keep in mind that the scope of those variables will only be their own tab. I made some changes to show you this. Look at lines 3-8 of Level_1.py. I added variable definitions there for the variables that you'll be using in that tab. Keep in mind that now these are totally separate from the variables of the same name in your main tab.

Also, in midterm_PART_2.pyde I moved global img inside def setup(). Remember that you need to declare a variable global in the scope where you are assigning or modifying it, but not where you are using it. So I also commented out global img in def draw(). And I commented out your use of img in Level_1.py. If this works for you, you can repeat the pattern for level 2.

It is a little unclear to me where you should drawing img to the screen however. My initial thought based on what it looks like you're trying to do is that in def draw() you may only want the code on lines 18-21. The rest of the drawing code (including using img) would be in the specific levels. If you go that route, then you wouldn't need circleY, circleDirection, etc in your main tab. Only in each level. That may or may not work depending on the details of how you want game play to work. If you have more questions about that we could talk.

Let me know if that helps.

By the way, click Revisions above if you would like to see a side-by-side view of my edits.