where are the function to draw a image 2d with alpha?
alpha 2d image
Blitz3D Forums/Blitz3D Beginners Area/alpha 2d image It is slow in 2D. If you have blitz3d you better use sprites.
In 2D you need to "mix" background and image in a selfmade function
one of the faster things to mix it 50:50 is to use the SHR command. this will mix 2 pixels:
In 2D you need to "mix" background and image in a selfmade function
one of the faster things to mix it 50:50 is to use the SHR command. this will mix 2 pixels:
rgb1=(readpixelfast(x,y,backbuffer()) and $FEFEFE) shr 1 rgb2=(readpixelfast(x,y,imagebuffer(myimage)) and $FEFEFE) shr 1 writepixelfast x,y,rgb1+rgb2,backbuffer()