Superimposing tiles in a tilegroup

#1

Is there a way to splat several tiles with alpha in the same spot in a tilegroup without the alpha of subsequent splats overwriting the data already present at that point in the tilegroup?

#2

Idk if this would have been helpful but you can iterate through single pixels.

get info 'bout pixel

var tile = Res.somespriteinmylocal_res_directory.toTile();
var pixels = tile.getTexture().capturePixels();

// this is optional, just to receive more information for yourself
var mypixel = pixels.getPixel( 0, 0 );
var mypixel_asH3DVector = h3d.Vector.fromColor( mypixel );
trace( mypixel, mypixel_asH3DVector.toString(), StringTools.hex(mypixel) );

iteration

for( y in 0...pixels.height )
    for( x in 0...pixels.width ){
        var p = pixels.getPixel( x, y );
        if( p == -16711681 )             // wherever the colour is teal
            pixels.setPixel( x, y, 0x0); // the colour will be changed to transparent black
}

use your new pixels for a new tile

var tile = h2d.Tile.fromPixels( pixels );

optional for use-case: creating a bitmap

var bmp = new Bitmap( tile, s2d );