In this last part of the tutorial, I will show how to create wing fold controls.
With every part of the tutorial, the rigging process becomes more complex. The rigging of a bird is always a complex task for riggers. I'll show each and every step of wings rigging process to make your learning easy.
1. Creating Wing Fold Controls
Create a circle and place it at the right side as shown in the following image.
Being in the vertex selection mode, edit the vertices of the circle to shape it as a star.
Rename this star shaped curve as R_CtrlC_WingFold_01.
With R_CtrlC_WingFold_01 selected, go to Edit > Delete by Type > History command to delete the history. Don’t forget to use Freeze Transformation command.
Select R_CtrlC_WingFold_01 and R_CtrlC_Wing_a01 control curves respectively and press P key to make the selected control curve as the parent.
Make a duplicate copy of R_CtrlC_WingFold_01 and place it at the left side. Rename it as L_CtrlC_WingFold_01.
2. Creating Custom Attributes for Wing Fold Controls
With both R_CtrlC_WingFold_01 and L_CtrlC_WingFold_01 selected, go to the channel editor. With Translate, Rotate and Scale properties selected, do right click and select Hide Selected command to hide the selected attributes.
With both control curves selected, go to Modify > Add Attribute command.
In the Add Attribute window, put the long name as WingFold. In the Numeric Attribute Properties, keep the values of Minimum as 0, Maximum as 10 and Default as 0. Click on the OK button.
With R_CtrlC_WingFold_01 curve selected, go to Animate > Set Driven Key > Set command.
In the Set Driven Key window, select R_CtrlC_WingFold_01 and click on Load Driver button to add the channel properties in the Driver group.
Following the same procedure, select R_CtrlC_Wing_a01, R_CtrlC_Wing_b01 and R_CtrlC_Wing_c01 and then click on Load Driven button in the Set Driven Key window.
After that, with all control curves and their Translate and Rotate properties selected, click on Key button to set the initial key.
With R_CtrlC_Shoulder_a01, R_CtrlC_Shoulder_b01, R_CtrlC_Shoulder_c01, R_CtrlC_Shoulder_d01, R_CtrlC_Elbow_a01, R_CtrlC_Elbow_b01, R_CtrlC_Elbow_c01, R_CtrlC_Wrist_a01, R_CtrlC_Wrist_b01 and R_CtrlC_Wrist_c01 selected, load all these in the Driven group.
With all Translate, Rotate and custom attributes Fan and Twist selected, click on Key button to add new initial key frame.
With CC_FeatherMiddle_a01, CC_FeatherMiddle_b01, CC_FeatherMiddle_C01 and Rotate Z selected, click on Key button to add initial key.
It’s time to create secondary key. Select R_CtrlC_Wing_a01, R_CtrlC_Wing_b01 and R_CtrlC_Wing_c01 and Translate XYZ and Rotate XYZ properties.
With the control curves selected, set it like wing fold as shown in the following image.
CC_FeatherMiddle_a01, CC_FeatherMiddle_b01 and CC_FeatherMiddle_C01 also like feather
In this way, adjust the maximum fold of wings and then add secondary key.
After adjusting the controls like wings fold, you can see the result as shown in the following image.
With CC_FeatherMiddle_a01, CC_FeatherMiddle_b01, CC_FeatherMiddle_C01 and Rotate Z selected, click on Key button to add secondary key as shown in the following image.
With R_CtrlC_Shoulder_a01, R_CtrlC_Shoulder_b01, R_CtrlC_Shoulder_c01, R_CtrlC_Shoulder_d01, R_CtrlC_Elbow_a01, R_CtrlC_Elbow_b01, R_CtrlC_Elbow_c01, R_CtrlC_Wrist_a01, R_CtrlC_Wrist_b01 and R_CtrlC_Wrist_c01 selected, load them in Driven group. With custom attributes Fan and Twist selected, click on Key button to add new Initial key frame.
With the same driven group objects selected, select Translate XYZ, Rotate XYZ and Twist attributes.
Arrange the controls for the proper wings fold and then click on Key button to add secondary key.
To add some more folds of the wings, select R_CtrlC_WingFold and set its value to 10 in the channel editor.
Click on Key button to add the final key.
Following the same way, set Maximum 10 value for all control curves one by one.
Finally, the set driven key process for controlling wings for animation is completed.
Following the same process, complete the wings rig controls for the left side also. Now it’s time to color the controls curves to be identified easily.
With CtrlC_Pelvis01 selected, press Ctrl-A key to open Attribute Editor. In the Attribute Editor, under Drawing Overrides tab, turn on Enable Overrides option. Set the Color as red.
You can see the result.
Following the same process, colorize all controls curves with different colors.
The rig is finally complete. You can now animate it by using controls.
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