Flash MX 2004 Games : Art to ActionScript

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Flash MX 2004 Games where the sprite will be above the platform and the check on the following frame where the sprite is below the platform. A collision must have occurred between the two frames but if the movement in the vertical direction is not part of the calculation then this collision can be missed. 1 function dump(){ 2 var dx, dy; 3 4 _root.debug = actionNames[action] + chr(13); 5 _root.debug += "(x,y): (" + int(x) + "," + int(y) + ")" + chr(13); 6 _root.debug += "(mX,mY): (" + int(moveX) + "," + 7 int(moveY) + ")" + chr(13); 8 _root.debug += "userControl: " + usercontrol + chr(13); 9 _root.debug += "jumping: " + jumping + chr(13); 10 _root.debug += "Platform: " + platform + chr(13); 11 _root.debug += "userKey: " + userKey + chr(13); 12 name = "_root.Box1"; 13 dx = eval(name)._x - x; 14 dy = eval(name)._y - y; 15 if (tracemotion) trace("moveY, dy: " + moveY + ", " + int(dy)); 16 _root.debug += "Box1: (" + int(dx) + "," + int(dy) + 17 ")" + chr(13); 18 //_root.debug += "landing: " + landing + chr(13); 19 } Listing 17.10 In the calculations we first calculate a delta distance from the current platform to the current value for x. If this is in the range 60 to 120 then the platform is in a possible collision location. Next we test the y location, again using a delta distance. The condition must conform to two tests, one that includes the current movement in the y direction. If each of the four tests evaluates to true then the cat has landed on a platform. The cat is set to an exact fit in the y direction, otherwise the cat could seem too low in relation to the platform, and the name of the platform is stored in the platform variable. 1 function land(){ 2 var i, name, dx, dy; 3 4 if (moveY>0) return false; //Must be going down to land 5 //Main floor 6 if (y>0){ 7 y = 0; 8 return true; 9 } 10 //Check platforms 11 for (i=1; i
13 name = "_root.Bin" + i; 14 dx = eval(name)._x - x; 15 if (dx>60 && dx60 && dx
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Flash MX 2004 Games
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Flash MX 2004 Games Art to ActionSc
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Contents at a glance Introduction x
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Contents in summary Introduction xi
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Contents in summary Chapter 15: Maz
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Introduction: Learn to write Action
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1 Your first game Rather alarmingly
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Chapter 1: Your first game view of
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Using the Line tool Chapter 1: Your
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Chapter 1: Your first game Adding t
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Chapter 1: Your first game is true
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Chapter 1: Your first game would tr
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_x = startX; _y = startY; moveX = 0
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Section 1 Animation The first secti
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Flash MX 2004 Games Using the drawi
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Flash MX 2004 Games Figure 2.7 Stag
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Flash MX 2004 Games The Pencil tool
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Flash MX 2004 Games When you use th
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Flash MX 2004 Games Figure 2.25 Sca
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Flash MX 2004 Games To use a gradie
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Flash MX 2004 Games tweening was se
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Flash MX 2004 Games Figure 2.37 Usi
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3 Simple cut-out animation Flash is
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Flash MX 2004 Games Figure 3.4 Sele
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Flash MX 2004 Games Figure 3.7 Usin
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Flash MX 2004 Games Figure 3.10 The
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Flash MX 2004 Games pressing F5. Th
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Flash MX 2004 Games WalkLeft TurnLe
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4 Using CGI programs to create anim
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Flash MX 2004 Games that sometimes
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Flash MX 2004 Games As you get expe
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Flash MX 2004 Games colour layer us
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Flash MX 2004 Games A higher settin
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5 Background art All your games wil
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Flash MX 2004 Games Figure 5.3 A si
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Flash MX 2004 Games better to expor
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Flash MX 2004 Games if it is only d
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Figure 5.10 Using symbols to add te
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Flash MX 2004 Games independent whe
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Flash MX 2004 Games Using photograp
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Flash MX 2004 Games Website and you
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Flash MX 2004 Games 3 Choose ‘png
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Flash MX 2004 Games User input on m
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Flash MX 2004 Games Figure 6.8 Opti
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7 So what is a variable? After the
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Chapter 7: So what is a variable? a
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Chapter 7: So what is a variable? T
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Chapter 7: So what is a variable? B
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Chapter 7: So what is a variable? 3
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Chapter 7: So what is a variable? P
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Chapter 7: So what is a variable? 5
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Chapter 7: So what is a variable? n
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Chapter 7: So what is a variable? B
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8 In tip-top condition Should I go
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Chapter 8: In tip-top condition All
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Chapter 8: In tip-top condition Wit
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} } return false; Chapter 8: In tip
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Figure 8.5 Properties window for th
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Chapter 8: In tip-top condition to
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Chapter 8: In tip-top condition Tab
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Figure 8.12 The anchor point for th
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53 return 4; 54 } 55 } 56 } Listing
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Chapter 9: Using loops and the repe
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Chapter 9: Using loops Now instead
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do{ a++; if (a==10) continue; //Do
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Chapter 9: Using loops Two examples
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Figure 9.2 The Loops01 project at r
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Chapter 9: Using loops Creating sim
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Chapter 9: Using loops Creating phy
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1 //Initialise firing 2 for (i=0; i
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Chapter 9: Using loops heart of alm
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Chapter 10: Keep it modular a game
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Chapter 10: Keep it modular for(j=0
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Chapter 10: Keep it modular From a
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Chapter 10: Keep it modular To call
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4 pt2.init(20, 30); 5 pt2.sum(pt1);
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Chapter 10: Keep it modular a locat
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Chapter 10: Keep it modular 1 v1 =
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Chapter 10: Keep it modular Summary
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Chapter 11: Debugging would give th
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4 trace("n = " + n); 5 6 function s
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5 onClipEvent(enterFrame){ 6 count+
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10 name = "Box" + i; 11 eval(name).
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Chapter 11: Debugging 5 switch(i){
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Chapter 11: Debugging Using the Fla
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the Watch window, then you can see
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Figure 11.12 Debugging remotely Cha
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is presumed, www.niklever.net/flash
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Chapter 12: Using external files Th
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Chapter 12: Using external files Wh
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with a query string version: Chapte
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Figure 12.3 Developing the Weather
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function loaded(success){ if (succe
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Chapter 12: Using external files
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13 Small games to keep them loading
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Chapter 13: Small games to keep the
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Figure 13.7 Developing the Pong gam
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14 Quizzes Quizzes are a very popul
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Chapter 14: Quizzes For now we will
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Figure 14.5 Creating a user Chapter
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Figure 14.8 Setting user permission
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Remember that a querystring takes t
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Chapter 14: Quizzes 36 "\’, diffi
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Chapter 14: Quizzes the query strin
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s.Close(); conn.Close(); Response.W
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Chapter 14: Quizzes 1 function setQ
Page 237 and 238: 5 status = "Question deleted"; 6 }
Page 239 and 240: Chapter 14: Quizzes Summary Most of
Page 241 and 242: Chapter 15: Mazes The strategy used
Page 243 and 244: Chapter 15: Mazes Notice that the f
Page 245 and 246: Chapter 15: Mazes 128, and exclude
Page 247 and 248: Figure 15.3 Creating the tunnel mod
Page 249 and 250: Chapter 15: Mazes Open ‘Examples\
Page 251 and 252: Chapter 15: Mazes sequence to show
Page 253 and 254: 64 Tunnel.gotoAndPlay("T_Right"); 6
Page 255 and 256: Chapter 15: Mazes 32 dir = EAST; 33
Page 257 and 258: Chapter 15: Mazes Summary In common
Page 259 and 260: Figure 16.1 The traditional game Re
Page 261 and 262: 5 cBoard = new Array(64); 6 pBoard
Page 263 and 264: Chapter 16: Board games 6 }else{ 7
Page 265 and 266: Chapter 16: Board games Once the pl
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Page 269 and 270: 19 }else{ 20 flip[2] = false; 21 }
Page 271 and 272: 8 if (flip[6]) flipArrayLine(i, pie
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Page 275 and 276: A simple example Figure 17.1 Develo
Page 277 and 278: Chapter 17: Platformers game much e
Page 279 and 280: Chapter 17: Platformers If the cat
Page 281 and 282: Chapter 17: Platformers 11 break; 1
Page 283 and 284: Chapter 17: Platformers 96 gotoAndP
Page 285 and 286: a metre. Therefore u − 20t = 0 an
Page 287: 56 }else if (moveY-4){ 57 moveY -=
Page 291 and 292: 16 mc.scale = 1.0; 17 } 18 19 House
Page 293 and 294: Chapter 17: Platformers 68 }else if
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Page 297 and 298: Figure 18.1 Developing the football
Page 299 and 300: 5 ScoreB = 0; 6 playerTeam = RED; 7
Page 301 and 302: 50 Pitch.Red2.targetx = -96; 51 Pit
Page 303 and 304: Chapter 18: Sports simulations Havi
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Page 309 and 310: Chapter 18: Sports simulations Upda
Page 311 and 312: 26 break; 27 } 28 } 29 name = "_roo
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Page 315 and 316: Chapter 18: Sports simulations 1 fu
Page 317 and 318: Chapter 18: Sports simulations For
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Page 321: Section 4 Flash for mobiles The mob
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Page 326 and 327: Flash MX 2004 Games ‘Device sound
Page 328 and 329: Flash MX 2004 Games The game uses k
Page 330 and 331: Flash MX 2004 Games 316 Table 19.2
Page 332 and 333: 20 Using Flash on a PocketPC Pocket
Page 334 and 335: Flash MX 2004 Games 1 2 3 Conker
Page 336 and 337: Flash MX 2004 Games 5 }else { 6 //
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Flash MX 2004 Games Figure 20.5 ‘
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Flash MX 2004 Games Reading the mai
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21 High score tables High score tab
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Chapter 21: High score tables Notic
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Figure 21.3 Creating an Access data
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Chapter 21: High score tables 12 Se
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Chapter 21: High score tables 1 so
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Chapter 21: High score tables ‘ge
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Chapter 21: High score tables Assum
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37 " has been set to " + score); 38
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Chapter 21: High score tables 19 fu
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22 Multi-player games using sockets
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Chapter 22: Multi-player games usin
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The possible tags in this example a
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Figure 23.1 Select Add/Remove Progr
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Figure 23.5 Configuring IIS Figure
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Figure 23.8 Running several simulta
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Chapter 23: Using Flash Communicati
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Figure 23.11 Live Log tab of the ad
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24 Embedding Flash In this chapter
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Chapter 24: Embedding Flash You can
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Figure 24.5 Choosing the source fil
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Chapter 24: Embedding Flash A dialo
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Chapter 24: Embedding Flash resourc
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Chapter 24: Embedding Flash can be
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Chapter 24: Embedding Flash 46 { 47
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Appendix A: Integrating Flash with
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Figure A.2 Importing the Flash inte
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Appendix A where ‘clipName’ is
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Appendix B: Tweening in code The ea
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Figure B.1 The graph of y = x 2 App
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Appendix B Joining together curves
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Appendix B want the result to start
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Figure B.7 Creating the tweening pr
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Appendix B Creating keyframes So fa
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and if the curve section is between
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} switch (channel){ case 0: return
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Bibliography Art The Illusion of Li
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Index 3D Studio Max animations, 54
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Buttons: concepts, 6, 113-15, 126-8
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fashions, 60 simplicity benefits, 3
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Floats: bugs, 96 concepts, 95-7 Flu
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Lightwave modeller, 46-54, 69, 226,
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Paint Bucket tool, 4, 5, 27-9 optio
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Set Score button, 340-2 Set-top box
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outline, 17 sections, 17, 21-8 usag
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Flash MX 2004 Games : Art to ActionScript

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