Irrlicht Engine

Google comes up with some decent looking results for "2d bin packing", try http://www.astrokettle.com/data.html

Is it really much more efficient to store the images in one big texture?

Thanks for the reply.

Here is an image to better describe this strange behavior:
http://imgplace.com/image_bin/9978/eed125dfb070313b4f5f9ca73826da80.jpg.th.jpg

Well what should the background colour be? What are you drawing the image on top of? Do you still call beginScene and endScene?

The ...

Also, rgb 1,1,1 or 2,2,2 are also recognised (incorrectly) as 0,0,0
This seems like a bug to me?


If I do:

Driver->makeColorKeyTexture(image, video::SColor(0,255,0,255));
Driver->makeColorKeyTexture(image, video::SColor(0,0,0,0));

Then the pink areas will be transparent, but only because the ...

When I call makeColorKeyTexture using black rgb 0,0,0 and render it with draw2dimage, it appears with proper transparency in the pure black areas, as expected. A sprite with a black background is rendered perfectly.


//Once
driver->makeColorKeyTexture(image, video::SColor(0,r,g,b));

...

//Each ...

Your code only works correctly if the vertex type is actually video::S3DVertex . Irrlicht supports several other vertex types [video::S3DVertexTCoords or video::S3DVertexTangents], and you must account for that.

You could fix that with something like this


// variable length arrays are not ...