game maker gml quick reference sheet

Game Maker GML Quick Reference Sheet -:- http://altgame.com Feedback or report errors: [email protected]

Note: not a complete list of commands. Refer to the help file for more detail and function parameters. 1

Instance sprite properties

alarm[0..11] Get or set an alarm event. Up to twelve

alarms can be set per instance and they

count down to zero with each game step.

bbox_bottom Gets the position of the bottom-most

point of the instance in the room.

bbox_left Gets the position of the left-most point of

the instance in the room.

bbox_right Gets the position of the right-most point

of the instance in the room.

bbox_top Gets the position of the top-most point of

the instance in the room.

depth Determines what layer the sprite will be

displayed on. 0 = default layer, +ve

behind, -ve infornt.

id Gets the instance unique identifier value

image_alpha Get or set the semi-transparency of the

sprite. 1.0=100% opaque, 0.0 = 100%

transparent, 0.5=50% semi-transparent.

image_angle Get or set the angle of the sprite.

0 = default (East), 90 = North,

180 = West, 270 = South.

image_blend Get or set the blending colour used to

display the instance. c_white is the

default.

image_number Gets the number of sub-images defined in

the current sprite.

image_index Get or set the current sub-image

displayed.

image_speed Get or set the animation playback speed

for the sub-images. 0 = do not animate.

image_xscale Get or set the horizontal scale of the

sprite. 1 = original size, 0.5 = half, 2.0 =

double size. ve values flip the image.

image_yscale Get or set the vertical scale of the sprite.

ve values flip the image.

mask_index Get or set the sprite index used for the

collision mask. Can set to another sprite,

eg: spr_sprite2

object_index Get the unique object identifier. See also

object_get_name.

persistent Get or set the persistent state of the

instance. True means the instance will not

be destroyed when changing rooms.

solid Get or set the solid flag of the instance.

Solid instances cause a special collision.

sprite_index Get or set the sprite to display. eg:

spr_sprite2. A value of -1 means no sprite.

sprite_width Gets the current width of the sprite. See

sprite_get_width for original width.

Affected by image_xscale.

sprite_height Gets the current height of the sprite. See

sprite_get_height for original width.

Affected by image_yscale.

sprite_xoffset Gets the current horizontal position of the

sprites origin or hotspot. Affected by

image_xscale.

sprite_yoffset Gets the current vertical position of the

sprites origin or hotspot. Affected by

image_yscale.

visible Get or set the instances visibility.

Instance functions

instance_activate_all Activate all instances in the current room.

instance_activate_object Activates instances of specified object(s).

instance_activate_region Activate instances inside or outside of a

region in the current room.

instance_count Gets the total number of active instances.

instance_deactivate_all Deactivate all instances in current room.

instance_deactivate_object Deactivate instances of specified object(s).

instance_deativate_region Deactivate instances inside or outside of a

region in the current room.

instance_change Change this instance into another instance

instance_copy Create a copy of this instance.

instance_create Create a new instance in current room.

instance_destroy Destroys this instance, removing it from

the current room.

instance_exists Returns if an instance exists.

instance_find Gets instance Id of (n)th instance of an

object.

instance_furthest Gets Id of instance furthest from a

specified position.

instance_id[0...n] An array of active instance Ids in current

room.

instance_nearest Gets Id of instance nearest to a specified

position.

instance_number Gets the total number of active instances

of a given object.

Instance movement properties

direction Get or set the direction of the instance.


180 = West, 270 = South.

friction Get or set the instances friction. A value

greater than zero will reduce the speed

over time.

gravity Get or set the instances gravity.

gravity_direction Get or set the gravity direction.


180 = West, 270 = South.

hspeed Get or set the instances horizontal speed.

speed Get or set the instances speed. Applied to

the instances direction, changing speed

and direction will update hspeed and

vspeed.

vspeed Get or set the instance vertical speed.

x Get or set the instances x position.

xprevious Gets the previous x position of the

instance.

xstart Gets the x position of the instance when it

was first created.

y Get or set the instances y position.

yprevious Gets the previous y position of the

instance.

ystart Gets the y position of the instance when it

was first created.

Instance movement functions

distance_to_object Gets the distance from this instance to the

nearest specified instance.

distance_to_point Gets the distance from this instance to a

specified position in the room.

motion_add Adds a speed and direction to the current

instance.

motion_set Set the direction and speed.

move_bounce_all In a step event will bounce this instance

off of all other objects.

When used in a collision event it is limited

to the collision instances.

move_bounce_solid In a step event will bounce off solid

objects. A collision event limits to the

instances in the collision.

move_contact_all Move the instance in a given direction up

to a maximum until it comes into contact

with any other instance.

move_contact_solid Move the instance in a given direction up

to a maximum until it comes into contact

with a solid object.

move_outside_all Move the instance in a given direction up

to a maximum until it is no longer in

contact with any other instance.

move_outside_solid Move the instance in a given direction up

to a maximum until it is no longer in

contact with a solid object.

move_random Randomly place the instance in the room

snapped to the given grid size.

move_snap Reposition the instance to the nearest

point on the specified grid.

move_towards_point Move towards a given position in the

room at the speed specified.

move_wrap Typically used in the Outside Room event,

will wrap the instance to the other side

when it leaves the room.

place_snapped Returns true if the instance is aligned to

the given grid.

Instance collision functions

collision_circle Checks if any instance collided with a

circular, user defined area.

collision_ellipse Checks if any instance collided with an

elliptical area.

collision_line Checks if any instances collide with a

specified line.

collision_point Checks if any instances overlaps a specific

position in the room.

collision_rectangle Checks if any instance collided with a

rectangular, user defined area.

instance_place Checks for a collision between this

instance and another object instance by

temporarily repositioning the object.

instance_position Checks for presence of one more

instances of a given object at a specified


place_empty Returns true if the current instance does

not overlap any other at the specified


place_free Returns true if the current instance does

not overlap any solid objects at the


place_meeting Returns true if the current instance

overlaps another object or instance at a


position_change Change all instances at a specified location

in the room to become a new object.

position_destroy Destroy all instances at a specific location

in the room.

position_empty Test if a specific position in a room is

empty (no instances to collide with).

position_meeting Test if a specific position in a room

contains an object (all or single instance).

Sprite drawing functions

draw_self Draws the instance sprite.

draw_sprite Draws a frame of a sprite at a given

position.

draw_sprite_ext Draws a sprite at a given position with

specific scale, rotation, colour and alpha.

draw_sprite_general Draws part of a sprite at a given position

with specific scale, rotation and alpha but

also allows blending color from each edge.

draw_sprite_part Draws part of a sprite at a given position.

draw_sprite_part_ext Draws part of a sprite at a given position

with specific scale, rotation, colour and

alpha.

draw_sprite_pos Draws a sprite distorted between four

points in a room.

draw_sprite_stretched Draws a sprite stretched to a specified

scale.

draw_sprite_stretced_ext Draws a sprite stretched to a specified

scale with a color and alpha specified.

draw_sprite_tiled Tiles a sprite at a given position in a room.

draw_sprite_tiled_ext Tiles a sprite at a given position in a room

with a given scale, color and alpha.

Sprite asset functions

sprite_add Creates a new sprite loading from disk.

sprite_add_from_screen Adds a new sub-image to an existing sprite

by capturing a section of the screen.

sprite_add_from_surface Adds a new sub-image to an existing sprite

by capturing a section of a surface.

sprite_assign Copies a sprite image into another sprite.

sprite_collision_mask Specify what type of mask to use for a

sprite.

sprite_create_from_screen Creates a new sprite by capturing a

section of the screen.

sprite_create_from_surface Creates a new sprite by capturing a

section of a surface.

sprite_delete Delete a sprite from memory.

sprite_duplicate Create a duplicate of a sprite.

sprite_exists Check if a sprite exists.

sprite_get_bbox_bottom Returns the bottom of the bounding box

relative to the sprite.

sprite_get_bbox_left Returns the left of the bounding box


sprite_get_bbox_right Returns the right of the bounding box


sprite_get_bbox_top Returns the top of the bounding box


sprite_get_height Gets the height of a sprite.

sprite_get_name Gets the name of a sprite as a string.

sprite_get_number Get the number of sub-images in a sprite.

sprite_get_texture Get the texture Id for a given sub-image of

a sprite.

sprite_get_width Gets the width of a sprite.

sprite_get_xoffset Gets the x origin (hotspot) of a sprite.

sprite_get_yoffset Gets the y origin (hotspot) of a sprite.

sprite_merge Merges two sprites together.

sprite_replace Replace an existing sprite with an image

(strip) from disk. See also sprite_add.

sprite_save Save a sprite sub-image to disk.

sprite_save_strip Save a sprite to disk as a sprite strip.

sprite_set_alpha_from_sprite Set the alpha transparency of a sprite

using another sprite as the mask.

sprite_set_offset Set the x and y hotspot of the sprite origin.



Object asset functions

object_exists Returns true if an object exists.

object_get_depth Gets the object depth.

object_get_mask Gets the mask index of an object.

object_get_name Gets the name of an object.

object_get_parent Gets the parent object index of an object.

object_get_persistent Gets the persistent flag of an object.

object_get_solid Gets the solid flag of an object.

object_get_sprite Get the sprite index of an object.

object_get_visible Returns true if the object has its draw

event enabled.

object_is_ancestor Returns true if one object is a child

(grandchild etc) of another object.

object_set_depth Set the depth of an object, effective for

any instances created after the change.

object_set_mask Set the sprite mask for an object.

object_set_parent Sets the parent of an object, effective for

any instances created after the change.

object_set_persistent Set the object to be persistent.

object_set_solid Set the object to be solid.

object_set_sprite Set the sprite used to display the object.

object_set_visible Set the visibility of an object.

Object event properties

event_action Gets the action number of the current

event.

event_number Gets the event type being executed, eg:

ev_step_normal.

event_object The object instance the event is running

from.

event_type Gets the event type being executed, eg:

ev_create.

Object event functions

event_inherited Calls the inherited parent base event.

event_perform Performs a specified event of the calling

instance.

event_perform_object Performs a specified event on a given

object.

event_user Call one of the sixteen user events on the

instance.

Background properties

background_index[0..7] Get or set a background images.

background_alpha[0..7] Get or set a background alpha.

background_blend[0..7] Get or set a background blend colour.

background_color Get or set the rooms background color.

background_foreground[0..7] True if background is displayed in front of

all other objects as a foreground.

background_height[0..7] Get a backgrounds height.

background_hspeed[0..7] Scroll a background horizontally by a given

speed.

background_htiled[0..7] True if the background is tiled horizontally.

background_showcolor True to draw a background color.

background_visible[0..7] Get or set the visibility of a background.

background_vspeed[0..7] Scroll a background vertically by a given

speed.

background_vtiled[0..7] True if the background is tiled vertically.

background_width[0..7] Get a backgrounds width.

background_x[0..7] Get or set the x position of a background

in a room.

background_xscale[0..7] Get or set the x-scale of a background.

background_y[0..7] Get or set the y position of a background

in a room.

background_yscale[0..7] Get or set the y-scale of a background.

Background functions

background_add Load a background png file from disk.

background_assign Copy a background image into another.

background_create_color Create a new background and fill with a

color.

background_create_from_

screen

Copy a portion of the screen to create a

new background.

background_create_from_

surface

Copy a portion of a surface to create a

new background.

background_create_gradient Create a new background and fill with a

gradient color.

background_delete Delete a background from memory.

background_duplicate Create a new background by duplicating

an existing background.

background_exists Returns true a background exists.

background_get_height Get the height of a background asset.

background_get_name Get the name of a background asset.

background_get_texture Get the texture Id for a background.

background_get_width Get the width of a background asset.

background_replace Replaces a background with an external

one.

background_save Save a background to disk.

background_set_alpha_from_

background

Set the alpha transparency of a

background using another one.

Background tile functions

tile_add Add a new tile to a room.

tile_delete Deletes a specified tile.

tile_exists Checks if a given tile exists in the room.

tile_get_alpha Gets the alpha of a given tile.

tile_get_background Get a background index a given tile is

drawn from.

tile_get_blend Get a tiles blending color.

tile_get_depth Get a tiles depth.

tile_get_height Get a tiles height.

tile_get_left Get a tiles left position in its background.

tile_get_top Get a tiles top position in its background.

tile_get_visible Returns true if a tile is visible.

tile_get_width Get a tiles width.

tile_get_x Get a tiles x position in the room.

tile_get_xscale Gets the horizontal scaling of a tile.

tile_get_y Get a tiles y position in the room.

tile_get_yscale Gets the vertical scale of a tile.

tile_layer_delete Delete all tiles at a specified depth.

tile_layer_delete_at Delete all tiles at a specified depth and

position.

tile_layer_depth Moves all tiles at a given depth to a new

depth.

tile_layer_find Returns a tile Id at a given depth and

position.

tile_layer_hide Hide all tiles at a given depth.

tile_layer_shift Move all tiles at a given depth.

tile_layer_show Shows all tiles at a given depth.

tile_set_alpha Set a tiles alpha transparency.

tile_set_background Set the background to use for a tileset.

tile_set_blend Set the tile blending color.

tile_set_depth Set the tiles depth.

tile_set_position Set a tiles x & y position.

tile_set_region Change a tiles width and height to copy

from the tilemap.

tile_set_scale Set a tiles scaling.

tile_set_visible Set a tiles visibility.

Background drawing functions

draw_background Draw a background asset in the room.

draw_background_ext Draw a background asset with scaling,

rotation, blend and alpha.

draw_background_general Draw a background asset with scaling,

rotation, four-corner blending and alpha.

draw_background_part Draw part of a background asset in a room

draw_background_part_ext Draw part of a background asset with

scaling, color blending and alpha.

draw_background_stretched Draw a background asset at a different

size.

draw_background_stretched_

ext

Draw a background asset at a different

size with color blending and alpha.

draw_background_tiled Draw a background asset tiled to fill the

room.

draw_background_tiled_ext Draw a background asset tiled to fill the

room with scaling, blending and alpha.

Surfaces

surface_copy Copy a source surface to a destination.

surface_copy_part Copy part of a source surface to a

destination.

surface_create Create a new surface.

surface_exists Returns true if a given surface exists.

surface_free Destroy a surface and free from memory.

surface_get_height Get height of surface.

surface_get_texture Returns the texture Id for a surface.

surface_get_width Get width of surface.

surface_getpixel Get the color of a pixel in a surface.

surface_save Save a surface to disk.

surface_save_part Save part of a surface to disk.

surface_reset_target Sets the drawing target to the screen.

surface_set_target Sets the drawing target to a specific

surface.

Surface drawing functions

draw_surface Draws the surface in the room.

draw_surface_ext Draw surface with scale, rotation, color

blending and alpha.

draw_surface_general Draw part of a surface with scaling,

rotation, gradient blending and alpha.

draw_surface_part Draw part of a surface.

draw_surface_part_ext Draw part of a surface with scale, color

blending and alpha.

draw_surface_stretched Draw surface stretched in room.

draw_surface_stretched_ext Draw surface stretched with colour

blending and alpha.

draw_surface_tiled Draw tiled surface.

draw_surface_tiled_ext Draw tiled surface with scale, color

blending and alpha.

Drawing (general)

draw_texture_flush Clears all textures from VRAM.

texture_get_height Get height of texture asset.

texture_get_width Get width of texture asset.

texture_set_blending Get or set the global alpha and color

blending in GameMaker.

texture_set_interpolation Get or set the mode for rendering pixels at

different sizes. True to use smooth

resizing, false to use nearest neighbour

(chunky pixels)

texture_set_repeat Get or set the repeat property for tiling a

texture on a 3D model.

Color and blending

color_get_blue

color_get_green

color_get_red

color_get_hue

color_get_saturation

color_get_value

draw_clear

draw_clear_alpha

draw_enable_alphablend

draw_get_alpha

draw_get_color

draw_getpixel

draw_set_alpha

draw_set_blend_mode

draw_set_blend_mode_ext

draw_set_color

draw_set_color_write_enable

make_color_hsv

make_color_rgb

merge_color

Drawing primitives

draw_primitive_begin

draw_primitive_begin_texture

draw_primitive_end

draw_vertex

draw_vertex_color

draw_vertex_texture

draw_vertex_texture_color

Drawing shapes

draw_arrow

draw_button

draw_circle

draw_circle_color

draw_ellipse

draw_ellipse_color

draw_healthbar

draw_line

draw_line_color

draw_line_width

draw_line_width_color

draw_path

draw_point

draw_point_color



draw_rectangle

draw_rectangle_color

draw_roundrect

draw_roundrect_color

draw_set_circle_precision

draw_triangle

draw_triangle_color

Room properties

room

room_caption

room_first

room_height

room_last

room_persistent

room_speed Target FPS how many steps per second.

room_width

Room functions

room_add

room_assign

room_duplicate

room_exists

room_get_name

room_goto

room_goto_next

room_goto_previous

room_instance_add

room_instance_clear

room_next

room_previous

room_restart

room_set_background

room_set_background_color

room_set_caption

room_set_height

room_set_persistent

room_set_view

room_set_view_enabled

room_set_width

room_title_add

room_title_add_ext

room_tile_clear

View properties

view_angle[0..7] Get or set the angle of the view,

-359 to +359.

view_current In a draw event, get the current view

being rendered.

view_enabled Get or set views, when off the whole room

will be rendered (scaled if necessary).

view_hborder[0..7] Get or set the horizontal distance from the

window edge a followed instance must

reach before the view is scrolled / moved.

view_hport[0..7] Get or set the height of the view port.

view_hspeed[0..7] Get or set the horizontal speed of the view

when it follows an instance.

view_hview[0..7] Get or set the height of the view.

view_object[0..7] Get or set the object instance to follow.

view_surface_id[0..7] Get or set the surface used for a view.

view_vborder[0..7] Get or set the vertical distance from the

window edge a followed instance must

reach before the view is scrolled / moved.

view_visible[0..7] Get or set the visibility of a view.

view_vspeed[0..7] Get or set the vertical speed of the view

when it follows an instance.

view_wport[0..7] Get or set the width of the view port.

view_wview[0..7] Get or set the width of the view.

view_xport[0..7] Get or set the x position of the view port.

view_xview[0..7] Get or set the x position of the view.

view_yport[0..7] Get or set the y position of the view port.

view_yview[0..7] Get or set the y position of the view.

View functions

window_view_mouse_get_x Gets the mouse x position relative to the

specified view.

window_view_mouse_get_y Gets the mouse y position relative to the

specified view.

window_views_mouse_get_x Same as mouse_x.

window_views_mouse_get_y Same as mouse_y.

Sound and audio

audio_channel_num

audio_emitter_create

audio_emitter_exists

audio_emitter_falloff

audio_emitter_free

audio_emitter_gain

audio_emitter_pitch

audio_emitter_position

audio_emitter_velocity

audio_exists

audio_falloff_set_model

audio_get_type

audio_is_playing

audio_listener_orientation

audio_listener_position

audio_listener_velocity

audio_master_gain

audio_pause_all

audio_pause_music

audio_pause_sound

audio_play_music

audio_play_sound

audio_play_sound_at

audio_play_sound_on

audio_resume_all

audio_resume_music

audio_resume_sound

audio_sound_length

audio_stop_all

audio_stop_music

audio_stop_sound

audio_system

Device input

device_get_tilt_x

device_get_tilt_y

device_get_tilt_z

device_is_keypad_open

device_mouse_check_button

device_mouse_check_button_

pressed

device_mouse_check_button_

released

device_mouse_raw_x

device_mouse_raw_y

device_mouse_x

device_mouse_y

Virtual keys input

virtual_key_add Create a virtual keyboard region on the

device screen.

virtual_key_delete Remove a previously created virtual key

region.

virtual_key_hide Hide the visual representation of the

virtual key on the screen.

virtual_key_show For debugging, draws a rectangle to show

the position and size of the virtual key on

the screen.

Joystick input

joystick_axes

joystick_buttons

joystick_check_button

joystick_direction

joystick_exists

joystick_has_pov

joystick_name

joystick_pov

joystick_rpos

joystick_upos

joystick_vpos

joystick_xpos

joystick_ypos

joystick_zpos

Keyboard input

io_clear

keyboard_check

keyboard_check_direct

keyboard_check_pressed

keyboard_check_released

keyboard_clear

keyboard_get_map

keyboard_get_numlock

keyboard_key

keyboard_key_press

keyboard_key_release

keyboard_lastchar

keyboard_lastkey

keyboard_set_map

keyboard_set_numlock

keyboard_string

keyboard_unset_map

Mouse input

mouse_button

mouse_check_button

mouse_check_button_pressed

mouse_check_button_

released

mouse_clear

mouse_last_button

mouse_wheel_down

mouse_wheel_up

mouse_x

mouse_y

Font functions

font_add*

font_add_sprite

font_add_sprite_ext

font_delete

font_exists

font_get_bold

font_get_fontname

font_get_italic

font_get_last

font_get_name

font_get_size

font_replace

font_set_cache_size

Font drawing functions

draw_highscore

draw_set_font

draw_set_halign

draw_set_valign

draw_text

draw_text_color

draw_text_ext

draw_text_ext_color

draw_text_ext_transformed

draw_text_ext_transformed_

color

draw_text_transformed

draw_text_transformed_color

Particle emitters

part_emitter_burst

part_emitter_clear

part_emitter_create

part_emitter_destroy

part_emitter_destroy_all

part_emitter_exists

part_emitter_region

part_emitter_stream

Particle systems

part_particles_clear

part_particles_count

part_particles_create

part_particles_create_color

part_system_automatic_draw

part_system_automatic_

update

part_system_clear

part_system_create



part_system_depth

part_system_destroy

part_system_draw_order

part_system_drawit

part_system_exists

part_system_position

part_system_update

Particle Types

part_type_alpha1

part_type_alpha2

part_type_alpha3

part_type_blend

part_type_clear

part_type_color_hsv

part_type_color_mix

part_type_color_rgb

part_type_color1

part_type_color2

part_type_color3

part_type_create

part_type_death

part_type_destroy

part_type_direction

part_type_exists

part_type_gravity

part_type_life

part_type_orientation

part_type_scale

part_type_shape

part_type_size

part_type_speed

part_type_sprite

part_type_step

DS grids (2D array)

ds_grid_add

ds_grid_add_disk

ds_grid_add_grid_region

ds_grid_add_region

ds_grid_clear

ds_grid_copy

ds_grid_create

ds_grid_destroy

ds_grid_get

ds_grid_get_disk_max

ds_grid_get_disk_mean

ds_grid_get_disk_min

ds_grid_get_disk_sum

ds_grid_get_max

ds_grid_get_mean

ds_grid_get_min

ds_grid_get_sum

ds_grid_height

ds_grid_multiply

ds_grid_multiply_disk

ds_grid_multiply_disk_region

ds_grid_multiply_region

ds_grid_read

ds_grid_resize

ds_grid_set

ds_grid_set_disk

ds_grid_set_grid_region

ds_grid_set_region

ds_grid_shuffle

ds_grid_value_disk_exists

ds_grid_value_disk_x

ds_grid_value_disk_y

ds_grid_value_exists

ds_grid_value_x

ds_grid_value_y

ds_grid_width

ds_grid_write

DS lists

ds_list_add

ds_list_clear

ds_list_copy

ds_list_create

ds_list_delete

ds_list_destroy

ds_list_empty

ds_list_find_index

ds_list_find_value

ds_list_insert

ds_list_read

ds_list_replace

ds_list_shuffle

ds_list_size

ds_list_sort

ds_list_write

DS maps (dictionary)

ds_map_add

ds_map_clear

ds_map_copy

ds_map_create

ds_map_delete

ds_map_destroy

ds_map_empty

ds_map_exists

ds_map_find_first

ds_map_find_last

ds_map_find_next

ds_map_find_previous

ds_map_find_calue

ds_map_read

ds_map_replace

ds_map_size

ds_map_write

String manipulation

ansi_char

chr

clipboard_get_text

clipboard_has_text

clipboard_set_text

ord

real

string

string_byte_at

string_byte_length

string_char_at

string_copy

string_count

string_delete

string_digits

string_format

string_height

string_height_ext

string_insert

string_length

string_letters

string_lettersdigits

string_lower

string_pos

string_repeat

string_replace

string_replace_all

string_set_byte_at

string_upper

string_width

string_withd_ext

Math

abs

arccos

arcsin

arctan

arctan2

ceil

choose

clamp

cos

degtorad

exp

floor

frac

irandom

irandom_range

is_real

is_string

lengthdir_x

lengthdir_y

lerp

ln

log10

log2

logn

math_set_epsilon

max

mean

median

min

power

radtodeg

random

random_get_seed

random_range

random_set_seed

randomize

round

sign

sin

sqr

sqrt

tan

Operating system

os_browser

os_device

os_get_config

os_get_language

os_is_network_connected

os_is_paused

os_lock_orientation

os_powersave_enable

os_type

os_version

Miscellaneous

cursor_sprite

environment_get_variable

external_call

external_define

external_free

fps

game_end

game_id

game_restart

parameter_count

parameter_string

script_execute

Display

display_get_dpi_x

display_get_dpi_y

display_get_gui_height

display_get_gui_width

display_get_height

display_get_orientation

display_get_width

display_mouse_get_x

display_mouse_get_y

display_mouse_set

display_reset

display_set_gui_size

screen_save

screen_save_part

Window

window_center

window_get_caption

window_get_color

window_get_cursor

window_get_fullscreen

window_get_height

window_get_width

window_get_x



window_get_y

window_handle

window_mouse_get_x

window_mouse_get_y

window_mouse_set

window_set_caption

window_set_color

window_set_cursor

window_set_fullscreen

window_set_position

window_set_rectangle

window_set_size

File handling

base64_decode

base64_encode

directory_create

directory_exists

json_decode

json_encode

md5_file

md5_string_unicode

md5_string_utf8

program_directory

sha1_file

sha1_string_unicode

sha1_string_utf8

temp_directory

working_directory

Binary files (not HTML5)

file_bin_close

file_bin_open

file_bin_position

file_bin_read_byte

file_bin_rewrite

file_bin_seek

file_bin_size

file_bin_write_btye

INI files

ini_close

ini_key_delete

ini_key_exists

ini_open

ini_read_real

ini_read_string

ini_section_delete

ini_section_exists

ini_write_real

ini_write_string

File system

file_attributes

file_copy

file_delete

file_exists

file_find_close

file_find_first

file_find_next

file_rename

filename_change_ext

filename_dir

filename_drive

filename_ext

filename_name

filename_path

get_open_filename

get_open_filename_ext

set_save_filename

set_save_filename_ext

Files

file_text_close

file_text_eof

file_text_eoln

file_text_open_append

file_text_open_read

file_text_open_write

file_text_read_real

file_text_read_string

file_text_readln

file_text_write_real

file_text_write_string

file_text_writeln

Mouse constants

mb_left left mouse button

mb_middle middle mouse button

mb_right right mouse button

mb_none no mouse button

mb_any any of the mouse buttons

Key constants

vk_nokey no key is pressed

vk_anykey any key is pressed

vk_left left arrow

vk_right right arrow

vk_up up arrow

vk_down down arrow

vk_enter enter key

vk_escape escape key

vk_space spacebar

vk_shift any shift key

vk_control any control key

vk_alt alt key

vk_backspace backspace key

vk_tab tab key

vk_home home key

vk_end end key

vk_delete delete key

vk_insert insert key

vk_pageup page up key

vk_pagedown page down key

vk_pause pause/break key

vk_printscreen print screen / sysrq key

vk_f1 ... vk_f12 F1 to F12 function keys

vk_numpad0 ... vk_numpad9 numeric numpad keys 0 to 9

vk_multiply multiply key on numeric keypad

vk_divide divide key on numeric keypad

vk_add addition key on numeric keypad

vk_subtract subtraction key on numeric keypad

vk_decimal decimal dot key on numeric keypad

Event_type constants

ev_create

ev_destroy

ev_step

ev_alarm

ev_keyboard

ev_mouse

ev_collision

ev_other

ev_draw

ev_keyrelease

ev_trigger (obsolete)

Color constants

c_aqua

c_black

c_blue

c_dkgray

c_fuchsia

c_gray

c_green

c_lime

c_ltgray

c_maroon

c_navy

c_olive

c_orange

c_purple

c_red

c_silver

c_teal

c_white

c_yellow

game maker gml quick reference sheet

Documents

current sprite

instance functions instance

sprite index

current subimage

current room

current width

current height

current horizontal position