Index. Audio project AudioSupport class, 207 controls, 206 description, 206 GameState class, 209 goals, 206

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1 Index A Audio project AudioSupport class, 207 controls, 206 description, 206, 209 goals, 206 B BlowFish class, 245 BounceObject() function, 143 BubbleShot class, 231 C Chasers ChaserGameObject class, chaser object project cross product, dot product, project goals, 115 project s controls, 115 running, 114, ComputeNewDirection() function, 171, 242 ComputeNewSpeedAndResetTimer() function, 242 ComputePoint() function, D DetectHero() function, 177 DrawGame() function, 145 DrawSet() function, 181 E EnvironmentGenerator class, 252 Error List window, 18 Euclidean vectors, 93 F FightingFish classes, 245 Finite state machine definition, 147 patrol enemy (see Patrol Enemy project) patrol that chases (see Patrol That Chases project) spinning arrow (see Spinning Arrow project) transition condition, 147 Fish Food game BubbleShot class, 231 EnvironmentGenerator class, 252 game functionality outline, 230 game project, 227, 255 Hero class, 232 JellyFish, BlowFish and FightingFish classes, 245 PatrolEnemy class, 237 PatrolEnemySet class, 246 random position function, 251 SpritePrimitive, 250 Font Output project Arial.spritefont, 64 communicate information, 63 FontSupport class creation, FontSupport class observation, 68 project goals, 65 project s controls, 65 SpriteFont class,

2 index Front direction Front Direction project, draw function, 107 mnetinflight, 107 TexturedPrimitive, 105 update function, 106 G Game1.sSpriteBatch.Draw() function, 188 Game camera camera class modification static move-camera function, 201 zoom function, Camera Zoom Move project, 200 constructor, 202 DrawGame() function, 205 update function, 203 Game Object project, collision detection support, 71 MaxBound variable, 70 project goals, 69 project s controls, 69 SoccerBall class Draw() function, 76 Game1 class, 75 image Soccer.png, 72 mdeltaposition, 72 radius, 73 SoccerBall code, TexturedPrimitive, 72 Update() function, 73, 75 Game objects GameObject class accessors, 110 InitialFrontDirection, object s speed, 109 RotateVectorByAngle, 110, 109 VelocityDirection, 112 velocity variables, 109 virtual function, 110 Game Object project (see Game Object project) arrow s position, 113 DrawGame() function, 113 rocket s position, 113 UpdateGame() function, 112 General pixel collision project axis-align texture, controls, 132 creation, 132 goals, 132 normalized component vectors, 132 rotated component vectors, 133 running, 131, 137 IndexToCameraPosition() function, 135 PixelTouches() function, space to pixel space, 136 H Hero class, 232 I IndexToCameraPosition() function, 135 Input Wrapper project, 33 J, K JellyFish class, 245 L LengthSquared() function, M, N Microsoft.Xna.Framework.Game class, 23 MonoGame, 3 AssemblyInfo.cs, 21 Draw and Control project, 26 file system and solution explorer, 20 Game1.cs, 22 Program.cs, 22 visual studio development environment Error List window, 18 OpenGL error, 17 Primary window, 18 Properties window, 18 SimpleMono Game project, 14 Solution Explorer window, Windows 8 machines, 15 wrap game controller, 33 O OpenGL error, 17 P, Q Particle emitter description, 221,

3 Index goals, 222 ParticleEmitter class creation, 223 ParticleSystem class, 224 ReddishParticlePrimitive class, 222 Particle system collision point, 214 definition, 213, 219 goals, 214 particle emitter description, 221, 225 goals, 222 ParticleEmitter class creation, 223 ParticleSystem class, 224 ReddishParticlePrimitive class, 222 ParticlePrimitive class creation, 216 ParticleSystem class creation alpha/additive blending, 218 constructor, 217 UpdateParticles() function, 218 properties, 215 modification, 215 PatrolEnemy class, 237 Patrol Enemy project class creation ComputePoint() function, LengthSquared() function, 165, 167 PatrolEnemy, update function, 164 control, 161 finite state machine, , goals, 161 random target position, resource, 161 running, 160 PatrolEnemySet class, 246 Patrol That Chases project control, 174 finite state machine, 174, goals, 174 PatrolEnemy class DectectHero, 176 kdisttobeginchase, 175 RandomNextTarget, 175 UpdateChaseHeroState() function, 177 UpdatePatrol() function, 176 running, 173 Physics project arc length review, controls, 139 creation, 139, goals, 139 gravity variable, 141 implementation, 139 Platform class, RotateObject class, running, 138 Pixel-accurate collision, 130 project behavior types, 126 controls, 124 creation, 124 goals, 124 large and small texture, pixelcameraspace, 127 running, creation, 127 PixelTouches() function, PrimitivesTouches() function, 129 ReadColorData() function, 127 PixelTouches() function, 128, 177 Platform class, Primary window, 18 PrimitivesTouches() function, 129 Properties window, 18 R RandomNextTarget function, 175 ReadColorData() function, 127 RotateObject class, S Show Vector project project goals, 97 project s controls, 96 running, 96 ShowVector class DrawPointVector() function, 97, 100 Game1.sSpriteBatch.Draw() function, 99 LoadImage() function, 97 normalized vector, 98 PrintStatusAt() function, 100 RotateVectorByAngle() function, 100 ShowVector.cs, 97 Texture2D, 97 Simple Game State project BasketBall class, basketballs, 77 creation BasketBall object, 80 draw function,

4 index Simple Game State project (cont.) PrimitivesTouches() function, 81 UpdateAndExplode() function, 81 update function, 81 win-or-loss condition, 82 Game1.cs, 76 goals, 77 MyGame, 76, 83 project s controls, 77 TexturedPrimitive collision detection support, 78 Smooth Turning Patrol project control, 170 goals, 170 PatrolEnemy class ComputeNewDirection() function, 171 update function, 172 UpdatePatrol() function, 170 running, 169 Software development kit (SDK), 2 Solution Explorer window, 18 Spinning Arrow project class creation ArrowPointsToHero state, 153 GameObject class, 151 update function, 152 controls, 150 finite state machine, , goals, 150 Many Enemies project control, 179, 181 goal, 179 PatrolEnemySet class, running, Many Spinning Arrows project class modification, control, 156, 159 goals, 156 resources, 157 running, 155 SpinningArrowSet class, PlayerControlHero class, 153 resources, 151 running, 148 Sprite Animation project controls, 184 description, 183 modification DrawGame() function, 192 frame-numbering system, 190 primitives, 189 UpdateGame() function, 190 variables, 189 goals, 184 sprite collision (see Sprite Collision project) SpritePrimitive class accessors, 187 Draw() function, 188 GameObject, 186 padding, 186 parameters, 187 public method, 188 Update() function, 188 variables, 186 sprite sheet, 185 SpriteBatch object, 30 Sprite Collision project description, 192 CollisionUpdate() function, 198 constructor, 197 DrawGame() function, 199 loops, 198 UserControlUpdate() function, 199 variables, 196 goals, 193 SpritePrimitive class, 193 textured primitive class, 193 TexturedPrimitivePixelCollide partial class data structure, 195 GetColor() function, 195 image size, 195 PixelTouches() function, 194 ReadColorData() function, 196 T class template, 48 Game1 class, 46 GraphicsSupport folder, 47 new C# class, 46 new class file, 48 Texture rotation, project goals, project s controls, 88 modification accessor, 90 Draw() function, 91 mrotateangle, 89 radians, 89 rotation origin calculation, 91 SpriteBatch.Draw() function, 91 update function,

5 Index 2D game development in C# asset creation, 9 downloading and installing development tools asset builder, 2, 7 IDE, 2 SDK, 2 3 Fish Food game (see Fish Food game) game architecture planning, 9 game design, 9 game development life cycle, 9 overview, 8 technology references, 10 2D graphics game window full-screen mode, 41 modification, project goals, 42 project s controls, 42 windowed mode, textured primitives class creation (see ) functionality and behavior, Game1.cs file, 50 LoadContent() function, 51 observations, project goals, 45 project s controls, 45 running project, Update() function, 52 U UpdateChaseHeroState() function, 177, 240 Update() function, 73, 75, 142, 188 UpdatePatrol() function, 170, 176 UpdateSet() function, 180 UpdateStuntState() function, 241 User-defined coordinate system camera class, camera positions, 59 camera region, 56 creation, default pixel space, 55 pixel-space system, 53 project goals, 54 project s controls, 54 translated origin, width and height, y-axis, V, W Vectors DrawGame() function, 102 locator mpa, 101 Py vector, 102 RotateVectorByAngle() function, 102 TexturedPrimitive, 101 UpdateGame() function, 101 review arbitrary position, 93 direction and size, 95 normalized vector, 94 radians, 95 vector s length, 94 Show Vector project (see Show Vector project) Visual Studio 2012 Express, 2 X, Y, Z XNB Builder, 7 265