Designing Games with Game Maker - YoYo Games

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instance is visible!) The following drawing actions are available. These actions only make sense in the drawing event. At other places they are basically ignored. Draw Sprite You specify the sprite, the position (either absolute or relative to the current instance position) and the subimage of the sprite. (The subimages are numbered from 0 upwards.) If you want to draw the current subimage, use number -1. Draw Background You indicate the background image, the position (absolute or relative) and whether the image should be tiled all over the room or not. Draw Text You specify the text and the position. A # symbol in the text is interpreted as going to a new line. (Use \# to get the # symbol itself.) So you can create multi-line texts. If the text starts <strong>with</strong> a quote or a double quote, it is interpreted as an expression. For example, you can use 'X: ' + string(x) to display the value of the x-coordinate of the instance. (The variable x stores the current x- coordinate. The function string() turns this number into a string. + combines the two strings.) Draw Scaled Text This action is similar to the previous action but this time you can also specify a horizontal and vertical scaling factor to change the size of the text and you can specify an angle to rotate it. This action is only available in the Pro Edition. Draw Rectangle You specify the coordinates of the two opposite corners of the rectangle; either absolute or relative to the current instance position. Horizontal Gradient This action also draws a rectangle but this time using a gradient color that changes from left
to right. You specify the rectangle and the two colors to use. This action is only available in the Pro Edition. Vertical Gradient This action also draws a rectangle but this time using a gradient color that changes from top to bottom. You specify the rectangle and the two colors to use. This action is only available in the Pro Edition. Draw Ellipse This action draws an ellipse. You specify the coordinates of the two opposite corners of the surrounding rectangle; either absolute or relative to the current instance position. Gradient Ellipse Again an ellipse is drawn but this time you specify a color for the center and the boundary. This action is only available in the Pro Edition. Draw Line You specify the coordinates of the two endpoints of the line; either absolute or relative to the current instance position. Draw Arrow Draws an arrow. You specify the coordinates of the two endpoints of the line and the size of the arrow tip. Set Color Lets you set the color used for drawing shapes, lines, and text. (It does not influence the way sprites and backgrounds are drawn.) Set Full Screen With this action you can change the screen mode from windowed to fullscreen and back. You can indicate whether to toggle the mode or whether to go to windowed or fullscreen mode. Take Snapshot With this action you can take a snapshot image of the game and store it in a .bmp file. You specify the filename to store the image in. This action is only available in the Pro Edition.
Page 1 and 2: What is New Designing Games with Ga
Page 3 and 4: It can now be indicated whether or
Page 5 and 6: • You can now set the variable cu
Page 7 and 8: Playing computer games is fun. But
Page 9 and 10: Upgrading to the Pro Edition Game M
Page 11 and 12: http://www.yoyogames.com/upgrade He
Page 13 and 14: simple: There is a blue ball bounci
Page 15 and 16: (Actually, this is what you see whe
Page 17 and 18: Resources menu In this menu, you ca
Page 19 and 20: When you make a game you normally s
Page 21 and 22: To create a background resource in
Page 23 and 24: whether this is a solid object (lik
Page 25 and 26: Here you select the event you want
Page 27 and 28: the keys pressed happen. Note that
Page 29 and 30: Key release events This event is si
Page 31 and 32: Relative. If you check this, the ne
Page 33 and 34: object is reached. If there already
Page 35 and 36: Transform Sprite Use this action to
Page 37 and 38: Sleep With this action you can free
Page 39 and 40: Check Collision This is the reverse
Page 41 and 42: peferably only for small pieces of
Page 43: provide the positions and the capti
Page 47 and 48: You can change most of these variab
Page 49 and 50: To add instances to the room, first
Page 51 and 52: At the top you will see the backgro
Page 53 and 54: When you start Game Maker in advanc
Page 55 and 56: • Show the origin and bounding bo
Page 57 and 58: Editing your sprites Up to now we l
Page 59 and 60: • Scale. This command scales the
Page 61 and 62: • Disappear. Makes the image disa
Page 63 and 64: Once you selected the correct set o
Page 65 and 66: • Clear. Clear the image to the l
Page 67 and 68: Multiple normal sounds can play at
Page 69 and 70: You can indicate a number of settin
Page 71 and 72: When a ball hits the floor it must
Page 73 and 74: action it lets the instance take a
Page 75 and 76: The following additional draw actio
Page 77 and 78: dies. The transparency slowly chang
Page 79 and 80: Resume CD Resumes a paused CD. Chec
Page 81 and 82: e the way you left it the last time
Page 83 and 84: At the left top there is the curren
Page 85 and 86: At the top there is a box labeled E
Page 87 and 88: Letters range that contains all upp
Page 89 and 90: top tool bar. Here you can also ind
Page 91 and 92: You might wonder what happens when
Page 93 and 94: 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
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There is no game without interactio
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vk_insert insert key vk_pageup page
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You can change the way the mouse cu
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image_index When the image has mult
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ackground_height[0...7]* Height of
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,xscale,yscale,rot,c1,c2,c3,c4,alph
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ection,showback,showborder) With th
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Fonts and text In games you sometim
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This functionality is only availabl
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sprite_get_texture(spr,subimg) Retu
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draw_set_blend_mode(mode) Indicates
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position (x,y) in the surface. This
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change their position, and even sca
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indicated depth to the new depth. W
Page 183 and 184:
window_set_sizeable(sizeable) Sets
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window_default() Gives the window t
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can also assign an instance id to t
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Be careful when using this techniqu
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sound_volume(index,value) Changes t
Page 193 and 194:
wave Waveform of the LFO. (0 = tria
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accordingly. The effect is especial
Page 197 and 198:
MCI_command(str) This functions sen
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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 and 206:
sound_discard(index) Frees the audi
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script_exists(ind) Returns whether
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• Make sure you delete resources
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sprite_add_from_surface(ind,id,x,y,
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does not matter. background_create_
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Scripts an empty path. path_reverse
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ehavior we must define events for t
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oom. room_tile_add(ind,back,left,to
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fa_directory directories fa_archive
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using the file selector. Note that
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To pass certain parameter settings
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All data structures work globally i
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Lists ds_queue_size(id) Returns the
Page 231 and 232:
ds_map_create() Creates a new map.
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Grids an easy mechanism for saving
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ds_grid_get_mean(id,x1,y1,x2,y2) Re
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• ef_smokeup • ef_star • ef_s
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at the beginning of the animation o
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Besides the color you can also give
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front of, or between object instanc
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• distribution indicates the dist
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settings. part_attractor_position(p
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Changers change certain particles w
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part_type_gravity(pt2,0.2,270); par
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mplay_connect_status() returns the
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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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Designing Games with Game Maker - YoYo Games

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