Flash MX 2004 Games : Art to ActionScript

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Flash MX 2004 Games tweening was selected for these frames. The motion produced using this technique is illustrated in Figure 2.34. Figure 2.34 First step to a bouncing ball Figure 2.35 Selecting onion skinning The motion produced by Flash, by default, using tweening is a linear interpolation from one key position to the next. That is, the gaps between the positions will be the same for each step. To see how the motion will behave turn on ‘onion skinning’ using the button second from the left at the bottom of the timeline area. Having selected onion skinning, you can choose how many frames are displayed using the grey areas to the left and right of the current frame rectangle in the timeline. To improve the movement we want the action to slow down up to the maximum height then speed up as the ball falls under gravity. We do this in the Properties panel by setting the ‘Easing’ for frame 1 to 50 and the ‘Easing’ for frame 6 to −50. This gives a somewhat more realistic action but the motion is still not a curve. There are two ways to achieve this. Either we can put keyframes in throughout the animation and not use motion tweening at all or we can use a curve to control the motion. The latter option is the best to use for simple actions while keyframes throughout works best for complex actions. To control an animation with a curve, first put the start and end frames for the ball, then right click the layer and choose ‘Add Motion Guide’. This adds a new layer above the current layer. Draw a curve in this layer and then with the ‘Magnet’ on snap the ball to the start of the curve on the first frame and the end of the curve on the last frame. The ball will now be centred on the curve. 30
Figure 2.36 Using a curve to control a motion Chapter 2: Drawing with Flash Scene 2 from ‘Examples/Chapter02/ball.fla’ shows how this motion can be set up. The ‘Easing’ has been set by adding an extra keyframe at frame six. The ‘Easing’ for frame 1 is set to 50 and at frame 6 the ‘Easing’ is set to −50. Designing a character Personally I don’t think you can beat a real pencil for getting the feel for a character design, but some colleagues prefer to use a tablet and draw directly in Flash. Whichever method you choose you will need to be prepared to revisit your design many times before a really good character design develops. Character design is greatly affected by the fashion of the moment. Nevertheless there are a few golden rules. • Make sure the character is distinctive. • Be prepared to exaggerate features. 31
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Page 7 and 8: Contents at a glance Introduction x
Page 9 and 10: Contents in summary Introduction xi
Page 11 and 12: Contents in summary Chapter 15: Maz
Page 13 and 14: Introduction: Learn to write Action
Page 15 and 16: 1 Your first game Rather alarmingly
Page 17 and 18: Chapter 1: Your first game view of
Page 19 and 20: Using the Line tool Chapter 1: Your
Page 21 and 22: Chapter 1: Your first game Adding t
Page 23 and 24: Chapter 1: Your first game is true
Page 25 and 26: Chapter 1: Your first game would tr
Page 27 and 28: _x = startX; _y = startY; moveX = 0
Page 29: Section 1 Animation The first secti
Page 32 and 33: Flash MX 2004 Games Using the drawi
Page 34 and 35: Flash MX 2004 Games Figure 2.7 Stag
Page 36 and 37: Flash MX 2004 Games The Pencil tool
Page 38 and 39: Flash MX 2004 Games When you use th
Page 40 and 41: Flash MX 2004 Games Figure 2.25 Sca
Page 42 and 43: Flash MX 2004 Games To use a gradie
Page 46 and 47: Flash MX 2004 Games Figure 2.37 Usi
Page 48 and 49: 3 Simple cut-out animation Flash is
Page 50 and 51: Flash MX 2004 Games Figure 3.4 Sele
Page 52 and 53: Flash MX 2004 Games Figure 3.7 Usin
Page 54 and 55: Flash MX 2004 Games Figure 3.10 The
Page 56 and 57: Flash MX 2004 Games pressing F5. Th
Page 58 and 59: Flash MX 2004 Games WalkLeft TurnLe
Page 60 and 61: 4 Using CGI programs to create anim
Page 62 and 63: Flash MX 2004 Games that sometimes
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Page 72 and 73: Flash MX 2004 Games A higher settin
Page 74 and 75: 5 Background art All your games wil
Page 76 and 77: Flash MX 2004 Games Figure 5.3 A si
Page 78 and 79: Flash MX 2004 Games better to expor
Page 80 and 81: Flash MX 2004 Games if it is only d
Page 82 and 83: Figure 5.10 Using symbols to add te
Page 84 and 85: Flash MX 2004 Games independent whe
Page 86 and 87: Flash MX 2004 Games Using photograp
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Page 92 and 93: 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
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5 status = "Question deleted"; 6 }
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Chapter 14: Quizzes Summary Most of
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Chapter 15: Mazes The strategy used
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Chapter 15: Mazes Notice that the f
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Chapter 15: Mazes 128, and exclude
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Figure 15.3 Creating the tunnel mod
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Chapter 15: Mazes Open ‘Examples\
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Chapter 15: Mazes sequence to show
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64 Tunnel.gotoAndPlay("T_Right"); 6
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Chapter 15: Mazes 32 dir = EAST; 33
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Chapter 15: Mazes Summary In common
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Figure 16.1 The traditional game Re
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5 cBoard = new Array(64); 6 pBoard
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Chapter 16: Board games 6 }else{ 7
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Chapter 16: Board games Once the pl
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Chapter 16: Board games Here ‘row
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19 }else{ 20 flip[2] = false; 21 }
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8 if (flip[6]) flipArrayLine(i, pie
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Chapter 16: Board games this way, i
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A simple example Figure 17.1 Develo
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Chapter 17: Platformers game much e
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Chapter 17: Platformers If the cat
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Chapter 17: Platformers 11 break; 1
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Chapter 17: Platformers 96 gotoAndP
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a metre. Therefore u − 20t = 0 an
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56 }else if (moveY-4){ 57 moveY -=
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13 name = "_root.Bin" + i; 14 dx =
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16 mc.scale = 1.0; 17 } 18 19 House
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Chapter 17: Platformers 68 }else if
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Chapter 17: Platformers array, ‘d
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Figure 18.1 Developing the football
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5 ScoreB = 0; 6 playerTeam = RED; 7
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50 Pitch.Red2.targetx = -96; 51 Pit
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Chapter 18: Sports simulations Havi
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Chapter 18: Sports simulations 37 k
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Chapter 18: Sports simulations 37 i
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Chapter 18: Sports simulations Upda
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26 break; 27 } 28 } 29 name = "_roo
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Chapter 18: Sports simulations 27 v
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Chapter 18: Sports simulations 1 fu
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Chapter 18: Sports simulations For
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Chapter 18: Sports simulations 22 _
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Section 4 Flash for mobiles The mob
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Flash MX 2004 Games Table 19.1 Synt
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Flash MX 2004 Games ‘Device sound
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Flash MX 2004 Games The game uses k
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Flash MX 2004 Games 316 Table 19.2
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20 Using Flash on a PocketPC Pocket
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Flash MX 2004 Games 1 2 3 Conker
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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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