moving a polygon

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davisdude
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Location: North Carolina

Re: moving a polygon

Post by davisdude »

Insert self-promotion here.
This will handle collisions for you, if you'd like.
GitHub | MLib - Math and shape intersections library | Walt - Animation library | Brady - Camera library with parallax scrolling | Vim-love-docs - Help files and syntax coloring for Vim
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Azhukar
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Joined: Fri Oct 26, 2012 11:54 am

Re: moving a polygon

Post by Azhukar »

micha wrote:And you can even shorten your code and save one transformation. Replace these lines:

Code: Select all

love.graphics.translate(posX-cx*sx,posY-cy*sx) --first translate to position
love.graphics.scale(sx,sy)
love.graphics.translate(cx,cy) --rotate around center
by these:

Code: Select all

love.graphics.translate(posX,posY) --first translate to position
love.graphics.scale(sx,sy)
Neat, didn't notice that.
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