The ball's trajectory is affected by internal obstacles in the same way as it is affected by the external boundary, and should the ball's trajectory cause it to pass through an opening, the process. e., holes or openings (analogous to pockets) can be introduced. They carefully control where and how hard. First, obstacles (analogous to bumpers) can be introduced within the boundary, and second, the boundary need not be continuous, i. The best pool players can predict how all the balls on the table will move once the cue ball is set into motion. Two additional variations to the basic methodology are significant for the present discussion. This is the third of a 4-part series on billiard physics outlining the 4 major contact points: cue stick cue ball, ball table, ball ball, ball rail. This is also true if the boundary is reconfigured while keeping other variables constant ( Figure 2). It should be obvious that if the ball begins its journey in a different direction, or from a different location, different trajectories will result. The number of bounces can be allowed to continue until a defined threshold is reached, thus defining an arbitrarily long trajectory ( Figure 1). The first part of the method -the production of rays -can be thought of as like the tracing of a billiard ball's trajectory on a frictionless table, assuming that the ball rebounds from the table's cushions at an angle equal to its angle of incidence. basic methodology of parasitical analysis can be conceptualized as the production of endwise-connected rays within a given boundary these rays in turn are used as the skeletal basis for modeled form.
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