Tank rig tutorial

Then, we have to create the variables, and assign them their respective values.

In the Create Variable Group you have to write the names of the variables exactly as they’re written in the Expression text box. Start writting Path, then click on the Create Button, do the same with Percent and radius.

We do not need to create the SplineLength variable because it gonna get its value inside the script.

If we evaluate the expression now, we’re gonna get nothing, because we need asign the variables to their respective values.

Select Path in the Variables List and click in the Assign Node button, select the “Path” spline object in the “Track view Pick” DialogBox.
Select Percent in the Variables List and click in the Assign Track button, select the control_Main’s path constraint percent controller.
Select radius in the Variables List and click in the Assign Constant button, write 0.473 (you can find it using the tape helper object measuring the wheel’s diameter and then dividng by two).

You could assign the wheel’s radius parameter to the radius variable if you need to change the wheels radius in the future.

If you evaluate now, we get our auto sppining system!, you can check it out by moving the control_main object.

AUTO SLIDE CATERPILLAR

Before start creating the caterpillar we have to finish our wheel’s set-up and then we’ll clone it four times. A. Chudinskio studija – reklama, dizainas, logotipai, firminis stilius ir internetinių svetainių kūrimas – adf.lt

First we’ll set up our Wheel’s Control Object (“Control_Wheel_01”), as mentioned before in the first page, these control objects will be useful for Animator’s adjustments and custom animation.

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