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The individual model During the development of your system model, it is often better to utilize a simple geometry as the actor instead of employing the actual geometry, since presumably the actual geometry will be of greater complexity. In most development, I usually find it easier to use basic primitives such as cones and spheres as the stand-in model. Once the motions are accepted, the actual model is then used to further fine-tune the animation. In this example, the cone primitive is the stand-in geometry.
Further distinctive action To add more life to the fish, you should segment the fish into a four-part skeleton structure - the head, upper body, lower body, and the tail. This four-part structure will allow you to procedurally control each of them so that no one fish will exhibit the same motion as the other.
To ensure that the actions for each fish are distinct, one must write four different functions to control each part of the fish. Of course, each function that you derive must be linked to the others, so that the fish will still appear to be moving as a whole. With the four functions derived, what is left is to further integrate them into one single procedure, with as few parameters as possible, which you can use to control and describe the range of animation that you desire. |
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