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Flip sprite in sprite sheet using Graphics2D

Started by MatejaS Dec 7, 2014 at 12:08 PM 4 replies 7.1k views

Original Post

Dec 7, 2014 at 12:08 PM

Hello,

I am using Java Graphics2D to make my game.I haven't worked with it for a while, and I don't know how to do this..

I got a sprite sheet (that has multiple sprites on it). I know how to draw a sprite (using this https://docs.oracle.com/javase/7/docs/api/java/awt/Graphics.html#drawImage(java.awt.Image,%20int,%20int,%20int,%20int,%20int,%20int,%20int,%20int,%20java.awt.image.ImageObserver) )... But I need to flip (horizontally or/and vertically) only one sprite on the image, not the whole image.

How can I do this?

Thanks,

MatejaS

Dec 7, 2014 at 2:16 PM

Anyone please??

ArrTaffer

Dec 7, 2014 at 7:40 PM

Use the scaling parameters of the drawImage method to and scale it by a negative amount on the axis you want:


g2.drawImage(image, x, y, -width, height, null);

Nicholas Kong

Dec 8, 2014 at 12:04 AM

If you want to flip horizontally or flip vertically, just edit the image in the program called "Paint". It can flip horizontal or vertically images and then save as another image file.

Glass_Knife

Dec 8, 2014 at 2:57 PM

Use the scaling parameters of the drawImage method to and scale it by a negative amount on the axis you want:
g2.drawImage(image, x, y, -width, height, null);

+1 This will work to mirror. If you need to rotate the image use an Affine Transform.

http://www.java2s.com/Tutorial/Java/0261__2D-Graphics/RotatingimageusingJava2DAffineTransformclass.htm

LordRhys

Dec 8, 2014 at 6:11 PM

wouldn't this work to flip the image since it is just a form of rotation. http://www.java2s.com/Tutorial/Java/0261__2D-Graphics/Rotatesashapeaboutthespecifiedcoordinates.htm

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