u is orthogonal to v and indicates the direction that is up relative to the

U is orthogonal to v and indicates the direction that

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~uis orthogonal to~vand indicates the direction that is up relative to the pilotflying the space ship (see Fig. 4(a)). There are various obstacles to be avoided (asteroids,and such) and the AI system needs to issue turning commands to avoid these obstacles.Given an obstacle at some pointq, the question that we want to determine is whetherwe should turn (yaw) to the left or right and whether we should turn (pitch) up or downto avoid the collision. (We won’t worry about the actual number of degrees of rotationfor now, just the direction.)vupq(a)vurpq(a)wwFig. 4: Evasive action. Lecture 7 5 Spring 2018
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CMSC 425 Dave Mount & Roger Eastman
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