How to animate rotation in Maya7 0

Let's take a look at the two simplest methods: Expressions and Keyframes.

A ...Expressions ---

1.Create a new scene and click Create > Polygon Primitives > Cube

At the position of 0,0,0 a cube appears (for example, other objects are similar).

The cube is selected by default and is highlighted in green.

2.Find Rotatey in the channel bar on the far right, click to highlight it, then hold down the right mouse button on Rotatey and select Expressions from the pop-up menuThe Expression window appears.

3.In the expression box, enter:

ry = frame * 2;

Click the Create button to generate an expression and close the expression window (rotatey is displayed in purple at this time).

Expression description: Add a negative sign to change the direction of rotation, such as ry = -frame * 2;

The value after the sign affects the rotational speed, e.g. ry = frame * 20; (Accelerated Rotation).

How to modify the expression: Follow step 2 above to open the expression window, and then press edit to modify.

IIKeyframe ---

Drag the slider on the timeline all the way to the left (the default is 0 frames, you can change it to a negative number).

The menu that pops up in step 2 above selects Break Connections to disassociate from the expression, right-click again, and the pop-up menu selects Key Selected (Rotatey is displayed in orange at this point).

Drag the slider on the timeline to the far right (the default is 24 frames, you can change it to a larger size), click the input box on the right side of the channel bar rotatey, enter 600 (this value can be arbitrary, but it affects the rotational speed), click on the mouse on rotatey to highlight it, hold down the right button, and select key selected in the pop-up menu

Keyframes are intuitive, easy to understand, and suitable for beginners.

Lightning Effect: Build 2 random objects, pull them apart, select them at the same time, hold down the spacebar, pop up the hot box, and count the 3rd from the bottom in the 4th to the bottom.

effects > create lightning

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This principle is a simple analogy, and I think it can be understood as follows: the process of holding a flat map in hand (selecting a direction marked north for the convenience of pointing) with the actual geography in the east-west-north-south direction.

All changes can only be reflected by the introduction of a certain concept of referential. That is to say, if the north of the map is parallel to the north of the actual geography, then the south and east and west of the map will correspond to the south and east and west of the actual geography, and then there is a order of comparison.

By default, Maya's axial order is set to xyz, which means that the reference datum is in xyz order

But you can also set it as you need, try to change it, and then adjust it, and you will find a difference.

Sometimes, in order to make it easier to adjust and identify the angle of the relative adjustment of a single axis, we can use the gimbal adjustment method instead, so that the adjustment amplitude is only displayed for the single axis each time.

The rotation in Maya is really interesting, the three axes of xyz are of special significance, I understand that the value in the channel panel is the value of the change of the object to the world, but I can't explain why there are many strange phenomena in rotation, such as the rotation of the Z axis in world mode is independent of the data change, and the rotation of the X axis under the local is independent, in the Gimbal the X axis is the least right is the "grandchild" generation, and the Y axis is the "father" generation, and the Z axis is the "grandfather" generation. The father-son relationship of the three axes of them is actually like this. In this case, the values in the channel box may not be as simple as I thought, or the world mode and local mode are two different modes based on "grandson" and "grandpa" respectively.

I don't have the ability to judge that statement is correct.,It's best to have a software master to explain That's all I can help you.。。。