AI for Games, Third Edition by Millington Ian;

Author:Millington, Ian;
Language: eng
Format: epub
Publisher: Taylor & Francis Group

Limited Radius of Effect

The first approach is to limit the radius of effect for each unit. Along with a basic influence, each unit has a maximum radius. Beyond this radius the unit cannot exert influence, no matter how weak. The maximum radius might be manually set for each unit, or we could use a threshold. If we use the linear drop-off formula for influence, and if we have a threshold influence (beyond which influence is considered to be zero), then the radius of influence is given by:

Figure 6.10: An example influence map

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