draw_background_stretched_ext(back, x, y, w, h, colour, alpha);
|back||The index of the background to draw.|
|x||The x coordinate of where to draw the background.|
|y||The y coordinate of where to draw the background.|
|w||The width of the area the stretched background will occupy.|
|h||The height of the area the stretched background will occupy.|
|colour||The colour with which to blend the background (use -1 or c_white to display it normally).|
|alpha||The alpha of the background (from 0 to 1 where 0 is transparent and 1 opaque).|
This function does exactly the same as the draw_background_stretched
function with the added ability to set the colour blending and
alpha value for the background when it is drawn (similar to the
NOTE: Blending is not available for the HTML5 target unless WebGL is enabled.
draw_background_stretched_ext(bck_Sky, x, y, 200, 200, c_white, 0.5);
This will draw the given background with its left corner at the instances x/y position and it will be stretched to occupy an area of 200x200 pixels with no blending, but partial transparency.