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  moving polygons  (Read 1565 times)
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Offline RandomProgram

Innocent Bystander




Java games rock!


« Posted 2003-04-16 21:59:52 »

Huh I am making a sort of space invaders game in which i draw the different things as polygons since i don't want to use images and is there any way to get the different things to get drawn quickly.
I have mine set up to where you move x or y and that value is added or subtracted to the current value which in my paint process makes an array like int[] shipx={x+1, x-4...} and so on and the same for y then i use drawPolygon(shipx,shipy,23(or something like that)) is there any other way to do draw polygons quicker Huh

this really goes slow with multiple objects Angry
Offline kevglass

« JGO Spiffy Duke »


Medals: 319
Projects: 25
Exp: 22 years


Coder, Trainee Pixel Artist, Game Reviewer


« Reply #1 - Posted 2003-04-20 12:13:31 »

You should probably create your polygon shapes upfront then use transform/translate/rotate on graphics and polygon with AffineTransforms to move them around.

I'm not sure how this is implemented, but I suspect this would give java the best chance at optimising the changes for you.

Kev

Offline Jeff

JGO Coder




Got any cats?


« Reply #2 - Posted 2003-04-21 17:20:22 »

The short answer is "no".  Turtle graphics is, pretty much by
its definition, slow.

As others have suggested, use images that are images of your line-drawn shapes.

JK

Got a question about Java and game programming?  Just new to the Java Game Development Community?  Try my FAQ.  Its likely you'll learn something!

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