Blend trees in Unity - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a new Blend Tree in an Animator Controller.

Unity

BlendTree blendTree = new BlendTree();
blendTree.name = [1];

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ABlendTree

BRunWalkBlend

C"RunWalkBlend"

D"BlendTree"

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting to put quotes around the name string.

Using the class name instead of a string.

The name property requires a string, so it must be enclosed in quotes.

2fill in blank

medium

Complete the code to set the blend parameter of the Blend Tree.

Unity

blendTree.[1] = "Speed";

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AblendParam

BblendParameterName

Cparameter

DblendParameter

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect property names like blendParameterName or parameter.

The correct property to set the blend parameter is blendParameter.

3fill in blank

hard

Fix the error in adding a child motion to the Blend Tree.

Unity

blendTree.[1](new ChildMotion { motion = walkClip, threshold = 0.5f });

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AAddMotion

BAddChildMotion

CAddChild

DAddChildMotion2D

Attempts:

3 left

💡 Hint

Common Mistakes

Using non-existent methods like AddChild or AddChildMotion.

The correct method to add a motion to a Blend Tree is AddMotion.

4fill in blank

hard

Fill both blanks to create a 2D Blend Tree and set its blend parameters.

Unity

BlendTree blendTree = new BlendTree();
blendTree.[1] = "Speed";
blendTree.[2] = "Direction";

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Ais2D

BblendParameterY

CblendParameters

DblendParameter

Attempts:

3 left

💡 Hint

Common Mistakes

Using is2D or isTwoDimensional (non-existent or read-only).

Using blendParameters (which does not exist).

blendParameter is used for the primary (X) blend parameter, and blendParameterY for the secondary (Y) parameter in 2D Blend Trees.

5fill in blank

hard

Fill all three blanks to create a Blend Tree with child motions and set thresholds.

Unity

BlendTree blendTree = new BlendTree();
blendTree.blendParameter = "Speed";
blendTree.AddMotion(new ChildMotion { motion = [1], threshold = [2] });
blendTree.AddMotion(new ChildMotion { motion = [3], threshold = 1.0f });

Drag options to blanks, or click blank then click option'

ArunClip

B0.0f

CwalkClip

D1.0f

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up the order of motions and thresholds.

Using incorrect threshold values.

The first motion is walkClip with threshold 0.0f, the second is runClip with threshold 1.0f.