Constants - boxgaming/gx GitHub Wiki

Mode	Description
GXBG_STRETCH	Stretch the background image to the size of the scene.
GXBG_SCROLL	Fit the height of the background image to the size of the screen. Scroll the horizontal position relative to the position on the map.
GXBG_WRAP	Continuously wrap the background as the scene is moved horizontally.

Mode	Description
GXSCENE_FOLLOW_NONE	No automatic scene positioning (default)
GXSCENE_FOLLOW_ENTITY_CENTER	Center the view on a specified entity
GXSCENE_FOLLOW_ENTITY_CENTER_X	Center the x axis of the scene on the specified entity
GXSCENE_FOLLOW_ENTITY_CENTER_Y	Center the y axis of the scene on the specified entity
GXSCENE_FOLLOW_ENTITY_CENTER_X_POS	Center the x axis of the scene only when moving to the right
GXSCENE_FOLLOW_ENTITY_CENTER_X_NEG	center the x axis of the scene only when moving to the left

Mode	Description
GXSCENE_CONSTRAIN_NONE	No checking on scene position: can be negative, can exceed map size (default)
GXSCENE_CONSTRAIN_TO_MAP	Do not allow screen position outside the bounds of the map size

Font	Description
GXFONT_DEFAULT	Default bitmap font (white)
GXFONT_DEFAULT_BLACK	Default bitmap font (black)