Creating metaball animations

WARNING: I DID NOT EVEN TEST THIS LMAO

Metaballs are useful for effects like blobs, liquids, and smooth animations.

Creating a system

local systemId = gpu.createMetaballSystem(displayId)

Adding metaballs

local ball = gpu.addMetaball(
    systemId,
    50,
    50,
    20,
    1
)

Change its color:

gpu.setMetaballColor(
    systemId,
    ball,
    0,
    200,
    255
)

Updating every frame

while true do
    gpu.clear(displayId, 0, 0, 0)

    gpu.updateMetaballs(
        systemId,
        0.05
    )

    gpu.renderMetaballs(
        systemId,
        1,
        0
    )

    gpu.updateDisplay(displayId)

    sleep(0.05)
end