# random Nodes for generating pseudo-random numbers. ## Topics ### Functions [`float2 random::float2_01()`](/documentation/ComputeGraph/random/float2_01) Generates a pseudo-random 2D vector with single-precision components between 0 and 1. [`float2 random::float2_01_using(seed)`](/documentation/ComputeGraph/random/float2_01_using) Generates a pseudo-random 2D vector with single-precision components between 0 and 1 using a specific seed. [`float3 random::float3_01()`](/documentation/ComputeGraph/random/float3_01) Generates a pseudo-random 3D vector with single-precision components between 0 and 1. [`float3 random::float3_01_using(seed)`](/documentation/ComputeGraph/random/float3_01_using) Generates a pseudo-random 3D vector with single-precision components between 0 and 1 using a specific seed. [`float4 random::float4_01()`](/documentation/ComputeGraph/random/float4_01) Generates a pseudo-random 4D vector with single-precision components between 0 and 1. [`float4 random::float4_01_using(seed)`](/documentation/ComputeGraph/random/float4_01_using) Generates a pseudo-random 4D vector with single-precision components between 0 and 1 using a specific seed. [`float random::float_01()`](/documentation/ComputeGraph/random/float_01) Generates a pseudo-random single-precision float between 0 and 1. [`float random::float_01_using(seed)`](/documentation/ComputeGraph/random/float_01_using) Generates a pseudo-random single-precision float between 0 and 1 using a specific seed. [`half2 random::half2_01()`](/documentation/ComputeGraph/random/half2_01) Generates a pseudo-random 2D vector with half-precision components between 0 and 1. [`half2 random::half2_01_using(seed)`](/documentation/ComputeGraph/random/half2_01_using) Generates a pseudo-random 2D vector with half-precision components between 0 and 1 using a specific seed. [`half3 random::half3_01()`](/documentation/ComputeGraph/random/half3_01) Generates a pseudo-random 3D vector with half-precision components between 0 and 1. [`half3 random::half3_01_using(seed)`](/documentation/ComputeGraph/random/half3_01_using) Generates a pseudo-random 3D vector with half-precision components between 0 and 1 using a specific seed. [`half4 random::half4_01()`](/documentation/ComputeGraph/random/half4_01) Generates a pseudo-random 4D vector with half-precision components between 0 and 1. [`half4 random::half4_01_using(seed)`](/documentation/ComputeGraph/random/half4_01_using) Generates a pseudo-random 4D vector with half-precision components between 0 and 1 using a specific seed. [`half random::half_01()`](/documentation/ComputeGraph/random/half_01) Generates a pseudo-random half-precision float between 0 and 1. [`half random::half_01_using(seed)`](/documentation/ComputeGraph/random/half_01_using) Generates a pseudo-random half-precision float between 0 and 1 using a specific seed. [`uint random::integer()`](/documentation/ComputeGraph/random/integer) Generates a pseudo-random 32-bit unsigned integer. [`uint random::integer_using(seed)`](/documentation/ComputeGraph/random/integer_using) Generates a pseudo-random 32-bit unsigned integer using a specific seed. [`uint random::seed()`](/documentation/ComputeGraph/random/seed) Returns the current random seed, without incrementing it. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)