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Visual Effect Graph 11.0.0

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    • Visual Effect Graph
    • Requirements
    • What's new
      • 10 / Unity 2020.​2
      • 11 / Unity 2021.​1
    • Getting Started
      • Visual Effect Graph Assets
      • Visual Effect Graph Window
      • Sample Content
    • Graph Logic & Philosophy
      • Systems
      • Contexts
      • Blocks
      • Operators
      • Properties
      • Events
      • Attributes
      • Subgraph
      • Blackboard
      • Sticky Notes
      • Project Settings
      • Preferences
    • The Visual Effect Component
      • C# Component API
      • Using Visual Effects with Timeline
      • Property Binders
      • Event Binders
      • Output Event Handlers
    • Pipeline Tools
      • Representing Complex Shapes
        • Point Caches
          • Point Cache asset
          • Point Cache Bake Tool
      • Exposed​Property Helper
      • Vector Fields
      • Spawner Callbacks
    • Node Library
      • Block
        • Attribute
          • Curve
          • Derived
            • Calculate Mass from Volume
          • Map
          • Set
        • Collision
          • Collide with AABox
          • Collide with Cylinder
          • Collide with Depth Buffer
          • Collide with Plane
          • Collide with Signed Distance Field
          • Collide with Sphere
        • Flipbook
          • Flipbook Player
        • Force
          • Conform to Signed Distance Field
          • Conform to Sphere
          • Force
          • Gravity
          • Linear Drag
          • Turbulence
          • Vector Force Field
        • GPU Event
          • Trigger Event Always
          • Trigger Event On Die
          • Trigger Event Rate
        • Implicit
          • Integration : Update Position
          • Integration : Update Rotation
        • Kill
          • Kill (AABox.​md)
          • Kill (Sphere.​md)
        • Orientation
          • Connect Target
          • Orient
        • Output
          • Camera Fade
          • Subpixel Anti-Aliasing
        • Position
          • Set Position (Depth.​md)
            • Position (Mesh.​md)
            • Position (Signed Distance Field.​md)
            • Position (Skinned Mesh.​md)
            • Set Position (Sequential : Circle.​md)
            • Set Position (Sequential : Line.​md)
            • Set Position (Sequential : Three​Dimensional.​md)
          • Set Position (Shape : AABox.​md)
          • Set Position (Shape : Circle.​md)
          • Set Position (Shape : Cone.​md)
          • Set Position (Shape : Line.​md)
          • Set Position (Shape : Sphere.​md)
          • Set Position (Sequential.​md)
          • Tile/Warp Positions
        • Size
          • Screen Space Size
        • Spawn
          • Constant Spawn Rate
          • Periodic Burst
          • Single Burst
          • Variable Spawn Rate
          • Attribute
            • Set Spawn Event \<attribute>
          • Custom
            • Increment Strip Index On Start
            • Set Spawn Time
            • Spawn Over Distance
        • Velocity
          • Velocity from Direction & Speed (Change Speed.​md)
          • Velocity from Direction & Speed (New Direction.​md)
          • Velocity from Direction & Speed (Random Direction.​md)
          • Velocity from Direction & Speed (Spherical.​md)
          • Velocity from Direction & Speed (Tangent.​md)
      • Context
        • Event
        • GPU Event
        • Initialize Particle
        • Output Mesh
        • Output Distortion
        • Output Decal
        • Output Line
        • Output Particle Mesh
        • Output Point
        • Output Primitive
        • Shared Output Settings
          • Global Settings
          • Lit Output Settings
        • Spawn
        • Update Particle
      • Operator
        • Attribute
          • Age Over Lifetime
          • Get Attribute: age
          • Get Attribute: alive
          • Get Attribute: alpha
          • Get Attribute: angle
          • Get Attribute: angular​Velocity
          • Get Attribute: axis​X
          • Get Attribute: axis​Y
          • Get Attribute: axis​Z
          • Get Attribute: color
          • Get Attribute: direction
          • Get Attribute: lifetime
          • Get Attribute: mass
          • Get Attribute: old​Position
          • Get Attribute: particle​Count​In​Strip
          • Get Attribute: particle​Id
          • Get Attribute: particle​Index​In​Strip
          • Get Attribute: pivot
          • Get Attribute: position
          • Get Attribute: scale
          • Get Attribute: seed
          • Get Attribute: size
          • Get Attribute: spawn​Index
          • Get Attribute: spawn​Time
          • Get Attribute: strip​Index
          • Get Attribute: target​Position
          • Get Attribute: tex​Index
          • Get Attribute: velocity
          • Get Custom Attribute
        • Bitwise
          • And
          • Complement
          • Left Shift
          • Or
          • Right Shift
          • Xor
        • Builtin
          • Delta Time
          • Frame Index
          • Local to World
          • Main Camera
          • System Seed
          • Total Time
          • World to Local
        • Camera
          • Viewport to World Point
          • World to Viewport Point
        • Color
          • Color Luma
          • HSV to RGB
          • RBG to HSV
        • Inline
          • AABox
          • Animation​Curve
          • Arc​Circle
          • Arc​Cone
          • Arc​Sphere
          • Arc​Torus
          • bool
          • Camera
          • Circle
          • Color
          • Cone
          • Cubemap
          • Cubemap​Array
          • Cylinder
          • Direction
          • Flip​Book
          • float
          • Gradient
          • int
          • Line
          • Matrix4x4
          • Mesh
          • Oriented​Box
          • Plane
          • Position
          • Sphere
          • Terrain​Type
          • Texture2D
          • Texture2DArray
          • Texture3D
          • Torus
          • Transform
          • uint
          • Vector
          • Vector2
          • Vector3
          • Vector4
        • Logic
          • And
          • Branch
          • Compare
          • Nand
          • Nor
          • Not
          • Or
          • Probability Sampling
          • Switch
        • Math
          • Arithmetic
            • Absolute
            • Add
            • Divide
            • Fractional
            • Inverse Lerp
            • Lerp
            • Modulo
            • Multiply
            • Negate
            • One Minus
            • Power
            • Reciprocal
            • Sign
            • Smoothstep
            • Square Root
            • Step
            • Subtract
          • Clamp
            • Ceiling
            • Clamp
            • Discretize
            • Floor
            • Maximum
            • Minimum
            • Round
            • Saturate
          • Constants
            • Epsilon
            • Pi
          • Coordinates
            • Polar to Rectangular
            • Rectangular to Polar
            • Rectangular to Spherical
            • Spherical to Rectangular
          • Exp
            • Exp
          • Geometry
            • Area (Circle.​md)
            • Change Space
            • Distance (Line.​md)
            • Distance (Plane.​md)
            • Distance (Sphere.​md)
            • Invert​TRS (Matrix.​md)
            • Transform (Direction.​md)
            • Transform (Matrix.​md)
            • Transform (Position.​md)
            • Transform (Vector.​md)
            • Transform (Vector4.​md)
            • Transpose (Matrix.​md)
            • Volume (Axis Aligned Box.​md)
            • Volume (Cone.​md)
            • Volume (Cylinder.​md)
            • Volume (Oriented Box.​md)
            • Volume (Sphere.​md)
            • Volume (Torus.​md)
          • Log
            • Log
          • Remap
            • Remap
            • Remap [0..​1] => [-1..​1]
            • Remap [-1..​1] => [0..​1]
          • Trigonometry
            • Acos
            • Asin
            • Atan
            • Atan2
            • Cosine
            • Sine
            • Tangent
          • Vector
            • Append Vector
            • Construct Matrix
            • Cross Product
            • Distance
            • Dot Product
            • Length
            • Look At
            • Normalize
            • Rotate 2D
            • Rotate 3D
            • Sample Bezier
            • Squared Distance
            • Squared Length
            • Swizzle
          • Wave
            • Sawtooth Wave
            • Sine Wave
            • Square Wave
            • Triangle Wave
        • Noise
          • Cellular Curl Noise
          • Cellular Noise
          • Perlin Curl Noise
          • Perlin Noise
          • Value Curl Noise
          • Value Noise
        • Random
          • Random Number
        • Sampling
          • Get Texture Dimensions
          • Mesh Index Count
          • Mesh Vertex Count
          • Load Texture2D
          • Load Texture2DArray
          • Load Texture3D
          • Position (Depth.​md)
          • Sample Curve
          • Sample Gradient
          • Sample Mesh
          • Sample Mesh Index
          • Sample Skinned Mesh
          • Sample Skinned Mesh Renderer Index
          • Sample Signed Distance Field
          • Sample Texture2D
          • Sample Texture2DArray
          • Sample Texture3D
          • Sample Texture​Cube
          • Sample Texture​Cube​Array
          • Skinned Mesh Index Count
          • Skinned Mesh Vertex Count
        • Spawn
          • Spawn State
        • Utility
          • Point Cache
    • Reference
      • Standard Attributes
      • Types
        • AABox
        • Arc​Circle
        • Arc​Cone
        • Arc​Sphere
        • Arc​Torus
        • Camera
        • Circle
        • Cone
        • Cylinder
        • Direction
        • Line
        • Oriented​Box
        • Plane
        • Position
        • Sphere
        • Terrain​Type
        • Torus
        • Transform
        • Vector
    • Manual
    • Node Library
    • Operator
    • Math
    • Constants
    • Pi

    Pi (π)

    Menu Path : Operator > Math > Constants > Pi (π)

    The Pi (π) Operator returns the number Pi (π). This is the ratio of the circumference of a circle to its diameter.

    Operator properties

    Output Type Description
    π float The value of Pi. This is the same value as Mathf.PI.
    2π float The result of 2 * Pi.
    π/2 float The result of Pi / 2.
    π/3 float The result of Pi / 3.
    In This Article
    • Operator properties
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    on 18 October 2021