I have created a happy face with the mouth being made out of a single line of stroke. How can I change the shape of it to change into a sad face?
Changing Shape of Stroke
Step 1 : Create a Stroke with Pen Tool
Step 2 : By Adding Node in Center with Pen Tool make it Curve as Smile Shape
Step 3 : Now in Path add the Keyframe to Start Animation
Step 4 : By Placing Cursor later change the Shape to Sad Face
Step 5 : It will work
For More Details Please view this Video