how can i create a drop like this?

I want to make a drop like this instead of making a big image? since in making a huge image a line like this, it causes a hang to your game due to large image load?
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Is there any way to lessen those hang? What i did I create a two times larger image than my screen to create like this effect but it causes a hang?

I would suggest Splitting it into tiles :)

how can i do that, the way you said? do you have any examples?

Here's a very basic example showing that using tiles will work. Yet maybe someone else can give you a better example with code that suits your needs.

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Thanks aenever :)