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This was caused by a floating point problem when determining the relative speed of a patrolling AI with another AI in front of it, presenting an obstacle. If the obstacle AI is moving at the same speed or faster, then it isn’t really an obstacle because it won’t be in the way. For two AI with the same travel speed, the math on the speed comparison wavered back and forth between “is an obstacle” and “isn’t an obstacle”, causing the AI to be given two different locations to walk to: the real goal beyond the obstacle, or a point alongside the obstacle, so it could be avoided. This caused wriggling as the AI pointed itself back and forth between the two goal locations. Simplified the math, took the floating point problem into consideration, and the problem is fixed. Rev. 5805: AI_pathing.cpp |
- Anonymous
