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Figure 23.1 Fog Test World | A test world for use in subsequent fog example scenes. |

Figure 23.2a Linear Fog Visibility 0 | A linear-fog world with a visibility range of 0.0. Compare Figures 23.2a, 2b, 2c and 2d. |

Figure 23.2b Linear Fog Visibility 40 | A linear-fog world with a visibility range of 40m. Compare Figures 23.2a, 2b, 2c and 2d. |

Figure 23.2c Linear Fog Visibility 30 | A linear-fog world with a visibility range of 30m. Compare Figures 23.2a, 2b, 2c and 2d. |

Figure 23. 2D Linear Fog Visibility 20 | A linear-fog world with a visibility range of 20m. Compare Figures 23.2a, 2b, 2c and 2d. |

Figure 23.3a Exponential Fog Visibility 100 | An exponential-fog world with a visibility range of 100m. Compare Figures 23.3a, 3b and 3c. |

Figure 23.3b Exponential Fog Visibility 40 | An exponential-fog world with a visibility range of 40m. Compare Figures 23.3a, 3b and 3c. |

Figure 23.3c Exponential Fog Visibility 20 | An exponential-fog world with a visibility range of 20m. Compare Figures 23.3a, 3b and 3c. |

Figure 23.4 Black Fog Visibility 40 | A foggy world using black fog. |

Figure 23.5 Binding Fogs And Backgrounds | Fog and backgrounds bound and unbound by touching shapes within the world. |

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