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Editorial Team
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Asked: 2026-05-31T06:27:59+00:00

I’m constructing the basis of a game and when the character hits an NPC,

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I’m constructing the basis of a game and when the character hits an NPC, I want a number to float around the player for a second or two. The problem I’m having is when I try to draw the number following a parabolic equation, all that gets drawn is the number in a diagonal line, as seen below.

fig. 1

The equation I want it to follow is x^2/50 + 2x, from x=0 to x=100.

Here is the code I’ve made.

for(int x=0; x<100; x++) {
    g.drawString("5", x, ((x^2)/50) + (2*x));
}

I’ve adjusted the equation in multiple ways so that the line is wider and skinnier, but still having no luck. Any ideas about where I’m going wrong?

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1 Answer

  1. Editorial Team

    If your question is why are you not getting a parabola, the reason is that in Java the way you say “x squared” is

    x * x

    and not

    x ^ 2

    The later does a binary exclusive or with 2. Not what you want.

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