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Let's shrink our Badguy

First thing let's duplicate our potion bottle

Click the three dots to the right of your potion bottle and duplicate

Open it in piskel and make the liquid black

It doesn't have to be super nice, this is all just for practice

We want the badguy to shrink when we collide with potion 2

Create a new event

Our sentence is If the Hero is in collision with the Budguy then scale the bad guy down 50%

Start with the condition

Hero Collision Potion

The action will be Scale Badguy .5 then delete the potion2

When you test the game, yoyu will notice the vice is in front of the Hero To fix this, we need to change the Z order

Select the fine and look for Z order in your properties

You can see the Z Order of my vine is 12 and the Z Order of my Hero is 1

This is like layers in piskel or photoshop

Change the vine Z layer to -1

Change the Z order of the vine to -1 and test

You pumpkin should be in front now

Now let's make an animated wall

Add new object

Sprite

Name Sprite Wall

Add animation

Make a simple 32x32 wall looking square

Save it an name the Animation Wallsmall

Add another animation to your wall and call it Walltall

We are going to copy the wall small and paste it in the wall tall (like we did with the coin)

Open up Walltall in piskel

Paste the wall

Click Resize

Click on the anchor so that you are increasing the height from the bottom middle

Change your height to 256 and hit enter

Duplicate the frame

add a new layer

Copy your first layer and paste it in your second layer then move it directly on top of the first layer

Repeat these steps until you wall is to the top

You should now name three frames with the wall getting taller

Do not click loop this time 

You only want this to happen once

Add your wall to the game

Time to add an event

What we want to happen is have the wall grow when the hero collides with it by switching the animation

So the If then statement would be

If the hero is in collision with the wall then charge the animation of wall to #1 or Walltall 

Test it out

So it worked... kinda

We want the wall to get taller though

In order to fix this, we need to modify the Points

Open up Edit Wall

Click on Edit Points

When we look at the points in Animation #0 and Animation 1, we see that they  don't have the same Origin and Center so the animation is not starting where we want. In order to fice this, we need to have the origin start at the bottom

Add the platform behavior to the wall

Test

It doesn't work because we need to fix the collision mask (the area where the objectis actuall in collision)

Click Edit Collision mask and check out Animation @ Frame 0

Our collision is way up at the top and not actually covering the object

Fix this by clicking Use custom collision mask

The colission masks for the animations are not going to be the same on this one because they are diffrent sizes

They masks are going to be different in each frame as well so you do not want to share the same collision for all sprites

Go through each Animation and Frames

Make sure the collision mask is covering the wall

Test

**IF YOUR COLLISSION ISN'T WORKING CORRECTLY, check out the collision mask on your Hero/Pumpkin/Whatever you called it. If the mask isn't covering your players, modify it.

Name the groups Player, Camera and Collision and place the events in the appropriate group

Go back to events

Create a subevent in your Hero Is Moving Event

Condition will be Hero is Jumping

Action will be Change the animation of Hero set to Hero Jump

Test and Save