What are velocity vectors?
Before moving on to the next step, let’s explain what you are doing when you get the velocity of the character and promote the vector length of that vector to the Speed variable.
What is velocity? Velocity is a vector that has a given magnitude and direction. To think about it another way, a vector can be drawn like an arrow.
The length of the arrow represents the magnitude, or strength, while the direction of the arrowhead represents the direction. So, if you want to know how fast the player character is moving, you will want to get the length of that vector. That is exactly what you are doing when you use the GetVelocity function and the VectorLength function on the returned velocity vector; you are getting the value of the Speed variable of your character. That is why you store that value in a variable and use it to control the Blend Space, as shown in the following diagram. Here, you can see an example of vectors. One has a positive (right...
