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mix
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mix

Function

Returns a * (1 - t) + b * t.

The signature and the sentence under each name are the compiler's own text at commit 26de7be8.

Syntax

declare function mix<V extends vec2 | vec3 | vec4>(a0: V, a1: V, a2: (f32)): V
declare function mix<V extends vec2 | vec3 | vec4>(a0: V, a1: V, a2: V): V
declare function mix<P0 extends number, P1 extends number, P2 extends number>(a0: P0, a1: P1, a2: P2): ([P0] extends [boolean] ? bool : typeof f32Tag extends keyof P0 ? f32 : typeof i32Tag extends keyof P0 ? i32 : typeof u32Tag extends keyof P0 ? u32 : typeof f64Tag extends keyof P0 ? f64 : ([P1] extends [boolean] ? bool : typeof f32Tag extends keyof P1 ? f32 : typeof i32Tag extends keyof P1 ? i32 : typeof u32Tag extends keyof P1 ? u32 : typeof f64Tag extends keyof P1 ? f64 : ([P2] extends [boolean] ? bool : typeof f32Tag extends keyof P2 ? f32 : typeof i32Tag extends keyof P2 ? i32 : typeof u32Tag extends keyof P2 ? u32 : typeof f64Tag extends keyof P2 ? f64 : number)))
declare function mix(a: vec2, b: vec2, t: number): vec2
declare function mix(a: vec3, b: vec3, t: number): vec3
declare function mix(a: vec4, b: vec4, t: number): vec4
declare function mix(a: vec2f64, b: vec2f64, t: number): vec2f64
declare function mix(a: vec3f64, b: vec3f64, t: number): vec3f64
declare function mix(a: vec4f64, b: vec4f64, t: number): vec4f64
declare function mix<T extends Numeric>(a: T, b: T, t: T): T

A number in a parameter or a return position is the scalar slot. The ambient file declares a GPU scalar as a branded number whose brand is optional, so a literal and any branded scalar both fill it.

type f32 = number & { readonly [f32Tag]?: true }

A declaration you write still needs a width, and a bare number on a field or a parameter is refused; the TypeScript constructs page carries that row with the compiler's own message.

A signature may name a type the ambient file declares for its own use. These are those declarations.

Numeric
type Numeric = number | vec2 | vec3 | vec4 | vec2i | vec3i | vec4i | vec2u | vec3u | vec4u

Parameters

Return value

V([P0] extends [boolean] ? bool : typeof f32Tag extends keyof P0 ? f32 : typeof i32Tag extends keyof P0 ? i32 : typeof u32Tag extends keyof P0 ? u32 : typeof f64Tag extends keyof P0 ? f64 : ([P1] extends [boolean] ? bool : typeof f32Tag extends keyof P1 ? f32 : typeof i32Tag extends keyof P1 ? i32 : typeof u32Tag extends keyof P1 ? u32 : typeof f64Tag extends keyof P1 ? f64 : ([P2] extends [boolean] ? bool : typeof f32Tag extends keyof P2 ? f32 : typeof i32Tag extends keyof P2 ? i32 : typeof u32Tag extends keyof P2 ? u32 : typeof f64Tag extends keyof P2 ? f64 : number)))vec2vec3vec4vec2f64vec3f64vec4f64T

Description

t is a scalar or the same shape as a and b. f64 vectors accept an f32 blend factor.

Evaluated in f64 by the CPU oracle.

Targets

WGSL
mix(a, b, c)
GLSL ES 3.00
mix(a, b, c)

Examples

See also

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