The key component of this recipe is the AudioSource.GetOutputData(float[] samples, int channel) function. It grabs a number of samples from the currently playing audio. The number of samples is specified by the length of the float[] samples array. This length has to be a power of 2. We get the samples every frame in the IEnumerator SampleAudio() coroutine. We average the values of squared samples to calculate an RMS of the audio (an average volume of a number of samples). The more samples we average, the smoother the changes of the RMS. For most sounds, 1024 is a good number. We use the calculated RMS to scale the Cube game object.
- Title Page
- Copyright
- Credits
- About the Author
- About the Reviewer
- www.PacktPub.com
- Preface
- Working with Animations
- Introduction
- Importing skeletal animations
- Configuring generic and humanoid rigs
- Creating and assigning an Animator Controller
- Creating animation transitions in Animator Controller
- Using parameters to control the animation flow
- Using animations from multiple assets
- Looping, mirroring and offsetting the animations
- Adjusting the playback speed of animations
- Using override animator controllers to animate different types of characters
- Importing object animation from a 3D package
- Working with the Animation View
- Introduction
- Using the Animation View to create a flickering light
- Blending light colors with the Animation View and the Animator Controller
- Animating an object's world position - creating a moving platform
- Animating object's local position - creating automatic doors
- Using the Hierarchy to animate local rotation - creating an orbiting planet
- Animating triggers - creating a death trap
- Creating an elevator triggered by player input
- 2D and User Interface Animation
- Introduction
- Exporting a 2D sprite animation from a 3D package
- Creating a frame-by-frame sprite animation with the Animation View
- Creating a 2D sprite doll animation with the Animation View
- Using the Animator Controller to play sprite animations
- Creating a fade out - fade in transition with the Animation View
- Creating a swipe transition with the Animation View
- Using filled images for creating animated progress bars
- Using Mecanim states for animating UI button states
- Character Movement
- Introduction
- Using Blend Trees to blend walk and run animations
- Using root motion to drive Rigid Body characters' movement with animations
- Using root motion to steer a character
- Using animations for better looking transitions
- Using root motion for a 180 degrees turn
- Making a character jump with 3-phase animation
- Using root motion to drive a NavMesh Agents' movement with animations
- Using triggers to grab an edge while jumping
- Changing the character's collision while crouching
- Adding animation to off-mesh links
- Using root motion for climbing
- Using root motion to create flying characters
- Character Actions and Expressions
- Introduction
- Creating an appear or a disappear animation
- Creating background characters and critters with animation-driven behavior
- Using Blend Trees to create randomized actions
- Using Quaternion.LookRotation() and Animator.SetLookAtPosition() methods to make characters follow an object with their gaze
- Action Points - performing an action in a specified spot
- Synchronizing an animation with objects in the scene
- Using IK for interacting with scene objects
- Animating facial expressions with Blend Shapes
- Handling Combat
- Introduction
- Using Sub-State Machines in Animator Controller
- Using Animation Events to trigger script functions
- Using transitions from Any State to play hit reactions
- Using root motion to create a dodge move
- Checking what Animator state is currently active to disable or enable player actions
- Using Animation Events to draw a weapon
- Using Avatar Masks and animator controller layers to walk and aim
- Using the LookAt() method to aim
- Using Blend Trees to aim
- Detecting the hit location on a character
- Special Effects
- Introduction
- Using Animation Events to trigger sound and visual effects
- Creating camera shakes with the Animation View and the Animator Controller
- Using the Animation View to animate public script variables
- Using additive Mecanim layers to add extra motion to a character
- Using Blend Shapes to morph an object into another one
- Using wind emitters to create motion for foliage and particle systems
- Using sprite sheets to animate particles
- Animating properties of a particle system with the Animation View
- Using waveform of a sound clip to animate objects in the scene
- Creating a day and night cycle with the Animation View
- Animating Cutscenes
- Physics and Animations
- Miscellaneous
How it works...
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