Function arduboy_rust::arduboy2_library::sprites::draw_erase

pub fn draw_erase(x: i16, y: i16, bitmap: *const u8, frame: u8)

“Erase” a sprite.

Parameters

• x,y The coordinates of the top left pixel location.
• bitmap A pointer to the array containing the image frames.
• frame The frame number of the image to erase.

The data from the specified frame in the array is used to erase a sprite. To “erase” a sprite, bits set to 1 in the frame will set the corresponding pixel in the buffer to 0. Frame bits set to 0 will remain unchanged in the buffer.

 image  before  after  (# = 1, - = 0)

 -----  -----   -----
 --#--  -----   -----
 ##-##  -----   -----
 --#--  -----   -----
 -----  -----   -----

 image  before  after

 -----  #####   #####
 --#--  #####   ##-##
 ##-##  #####   --#--
 --#--  #####   ##-##
 -----  #####   #####