300x250 ComputerGraphics27 Working with paths 3.4 Working with paths 3.4.1 Path following Animating an object by moving it along a path is simple to implement. Changing the orientation of the object has to be taken into consideration. The path must be smoothed before it can be used. If the path is constrained to lie on the surface of another object, the more computation is involved. 3.4.2 Orientation along a path Typically, a local coordina.. 2022. 11. 9. Interpolation of orientations 3.3 Interpolation of orientations. The previous section discussed the interpolation of position through space and time. Animators are concerned with the object's orientation. An object's orientation can be interpolated just like its position can be interpolated and the same issues apply. Just as an object's position is changed over time by applying translation transformations, an object's orient.. 2022. 11. 9. General distance-time functions 3.2.4 General distance-time functions One finds that the assumption that the total distance is to be traversed during the total time presents some interesting issues. Once the total distance and total time are given, the average velocity is fixed. This average velocity must be maintained as the user modifies, for example, the shape of the velocity-time curve . This can create problem if the user.. 2022. 11. 8. Ease-in/Ease-out 3.2.3 Ease-in/Ease-out Ease-in/out is most common ways to control motion along a curve.the standard assumption is that the motion starts and ends in a complete stop and there are no instantaneous jumps in velocity(first-order continuity). The speed control function will referred to as s=ease(t), where t is uniformly varying input parameter meant to represent time and s is the output parameter th.. 2022. 11. 7. 이전 1 2 3 4 5 ··· 7 다음 300x250
