Designing Games with Game Maker - YoYo Games

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Paths font_get_bold(ind) Returns whether the font with the given index is bold. font_get_italic(ind) Returns whether the font with the given index is italic. font_get_first(ind) Returns the index of the first character in the font with the given index. font_get_last(ind) Returns the index of the last character in the font with the given index. The following functions will give you information about a path: Scripts path_exists(ind) Returns whether a path with the given index exists. path_get_name(ind) Returns the name of the path with the given index. path_get_length(ind) Returns the length of the path with the given index. path_get_kind(ind) Returns the kind of connections of the path with the given index (0=straight, 1=smooth). path_get_closed(ind) Returns whether the path is closed or not. path_get_precision(ind) Returns the precision used for creating smoothed paths. path_get_number(ind) Returns the number of defining points for the path. path_get_point_x(ind,n) Returns the x-coordinate of the n'th defining point for the path. 0 is the first point. path_get_point_y(ind,n) Returns the y-coordinate of the n'th defining point for the path. 0 is the first point. path_get_point_speed(ind,n) Returns the speed factor at the n'th defining point for the path. 0 is the first point. path_get_x(ind,pos) Returns the x-coordinate at position pos for the path. pos must lie between 0 and 1. path_get_y(ind,pos) Returns the y-coordinate at position pos for the path. pos must lie between 0 and 1. path_get_speed(ind,pos) Returns the speed factor at position pos for the path. pos must lie between 0 and 1. The following functions will give you information about a script:
script_exists(ind) Returns whether a script with the given index exists. script_get_name(ind) Returns the name of the script with the given index. script_get_text(ind) Returns the text string of the script with the given index. Time lines The following functions will give you information about a timeline: timeline_exists(ind) Returns whether a time line with the given index exists. timeline_get_name(ind) Returns the name of the time line with the given index. Objects The following functions will give you information about an object: object_exists(ind) Returns whether an object with the given index exists. object_get_name(ind) Returns the name of the object with the given index. object_get_sprite(ind) Returns the index of the default sprite of the object with the given index. object_get_solid(ind) Returns whether the object with the given index is default solid. object_get_visible(ind) Returns whether the object with the given index is default visible. object_get_depth(ind) Returns the depth of the object with the given index. object_get_persistent(ind) Returns whether the object with the given index is persistent. object_get_mask(ind) Returns the index of the mask of the object with the given index (-1 if is has no special mask). object_get_parent(ind) Returns index of the parent object of object ind (a negative value is returned if it has no parent).
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What is New Designing Games with Ga
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It can now be indicated whether or
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• You can now set the variable cu
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Playing computer games is fun. But
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Upgrading to the Pro Edition Game M
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http://www.yoyogames.com/upgrade He
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simple: There is a blue ball bounci
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(Actually, this is what you see whe
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Resources menu In this menu, you ca
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When you make a game you normally s
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To create a background resource in
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whether this is a solid object (lik
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Here you select the event you want
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the keys pressed happen. Note that
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Key release events This event is si
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Relative. If you check this, the ne
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object is reached. If there already
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Transform Sprite Use this action to
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Sleep With this action you can free
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Check Collision This is the reverse
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peferably only for small pieces of
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provide the positions and the capti
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to right. You specify the rectangle
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You can change most of these variab
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To add instances to the room, first
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At the top you will see the backgro
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When you start Game Maker in advanc
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• Show the origin and bounding bo
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Editing your sprites Up to now we l
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• Scale. This command scales the
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• Disappear. Makes the image disa
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Once you selected the correct set o
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• Clear. Clear the image to the l
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Multiple normal sounds can play at
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You can indicate a number of settin
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When a ball hits the floor it must
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action it lets the instance take a
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The following additional draw actio
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dies. The transparency slowly chang
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Resume CD Resumes a paused CD. Chec
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e the way you left it the last time
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At the left top there is the curren
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At the top there is a box labeled E
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Letters range that contains all upp
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top tool bar. Here you can also ind
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You might wonder what happens when
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Set the time line position With thi
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As you might have noticed, parts of
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In this form you can indicate which
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about the game and how it was creat
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Resolution In this tab you can set
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Also you can set the priority of th
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Change to change a selected file, D
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Here you can set a number of option
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Game Maker contains a built-in prog
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• !: not, turns true into false a
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} instance_create(xx,yy,ball); Addr
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} obj[1].id.x = 12; The last statem
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{ } repeat (5) instance_create(rand
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} for (i=0; i
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A function has the form of a functi
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with (ball) { } x = random(room_wid
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andom_set_seed(seed) Sets the seed
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string_copy(str,index,count) Return
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date_get_hour(date) Returns the hou
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Generating Events Miscellaneous Var
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Paths move_bounce_all(adv) Bounces
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e careful how and when you apply it
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overwritten by the new path. (See a
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mp_grid_add_instances(id,obj,prec)
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instance_count* Number of instances
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When you deactivate instances they
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As you should know, every instance
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loading. You can also save and load
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score The current score. lives Numb
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ev_joystick1_button7 ev_joystick1_b
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Here are some variables and functio
Page 155 and 156: There is no game without interactio
Page 157 and 158: vk_insert insert key vk_pageup page
Page 159 and 160: You can change the way the mouse cu
Page 161 and 162: image_index When the image has mult
Page 163 and 164: ackground_height[0...7]* Height of
Page 165 and 166: ,xscale,yscale,rot,c1,c2,c3,c4,alph
Page 167 and 168: ection,showback,showborder) With th
Page 169 and 170: Fonts and text In games you sometim
Page 171 and 172: This functionality is only availabl
Page 173 and 174: sprite_get_texture(spr,subimg) Retu
Page 175 and 176: draw_set_blend_mode(mode) Indicates
Page 177 and 178: position (x,y) in the surface. This
Page 179 and 180: change their position, and even sca
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Page 183 and 184: window_set_sizeable(sizeable) Sets
Page 185 and 186: window_default() Gives the window t
Page 187 and 188: can also assign an instance id to t
Page 189 and 190: Be careful when using this techniqu
Page 191 and 192: sound_volume(index,value) Changes t
Page 193 and 194: wave Waveform of the LFO. (0 = tria
Page 195 and 196: accordingly. The effect is especial
Page 197 and 198: MCI_command(str) This functions sen
Page 199 and 200: e adapted to the scaled size of the
Page 201 and 202: message_caption(show,str) Sets the
Page 203 and 204: place (1-10). This can be used to d
Page 205: sound_discard(index) Frees the audi
Page 209 and 210: • Make sure you delete resources
Page 211 and 212: sprite_add_from_surface(ind,id,x,y,
Page 213 and 214: does not matter. background_create_
Page 215 and 216: Scripts an empty path. path_reverse
Page 217 and 218: ehavior we must define events for t
Page 219 and 220: oom. room_tile_add(ind,back,left,to
Page 221 and 222: fa_directory directories fa_archive
Page 223 and 224: using the file selector. Note that
Page 225 and 226: To pass certain parameter settings
Page 227 and 228: All data structures work globally i
Page 229 and 230: Lists ds_queue_size(id) Returns the
Page 231 and 232: ds_map_create() Creates a new map.
Page 233 and 234: Grids an easy mechanism for saving
Page 235 and 236: ds_grid_get_mean(id,x1,y1,x2,y2) Re
Page 237 and 238: • ef_smokeup • ef_star • ef_s
Page 239 and 240: at the beginning of the animation o
Page 241 and 242: Besides the color you can also give
Page 243 and 244: front of, or between object instanc
Page 245 and 246: • distribution indicates the dist
Page 247 and 248: settings. part_attractor_position(p
Page 249 and 250: Changers change certain particles w
Page 251 and 252: part_type_gravity(pt2,0.2,270); par
Page 253 and 254: mplay_connect_status() returns the
Page 255 and 256: calling the first routine. This id
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This functionality is only availabl
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ty_real,2,ty_real,ty_real); global.
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• When you use the 3D functionali
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Note that at the moment a new insta
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} ttt = background_get_texture(back
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Default you look along the negative
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A standard use for this is to draw
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{ } d3d_transform_set_identity(); d
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d3d_light_define_direction(ind,dx,d
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pr_trianglefan. d3d_model_vertex(in
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