活塞引擎动画

核心提示：Today, I will show you how to create piston engine animation. Usually this kind of animation is used in mechanical or automotive presentation. You can also watc

Today, I will show you how to create piston engine animation. Usually this kind of animation is used in mechanical or automotive presentation. You can also watch this animation in oil or car tv ads. You will create this animation using Inverse Kinematics. That means you will use bones.

This is what you are going to create:

1. Let's begin this tutorial. Download this file and open in 3dsmax. This file consist of several object: piston, connecting rod, and crankshaft. Notice that each object has its Pivot Point positioned in specific place (shown in red color). These objects are also positioned in coordinate (0,0,Z) to make bones placement easier.

2. In Command Panel, go to Create>Systems tab. Click Bones button. In IK Chain Assignment rollout, choose SplineIKSolver and activate Assign to Children. Assign to Root will be activated automatically. Then in Left viewport, click three times to create bones. Right click to finish. Make sure you click from bottom to top (1, 2, and 3). In opened window, just click OK. Now, you have SplineIKSolver. Notice that you have bones, spline, and several small boxes (called helpers). These helper are named from Point 01 to Point 03, just like bones. Helper acts like a vertex in spline.