viva_math/vec4

4-D vector operations.

Used for RGBA colors, homogeneous coordinates and quaternions (when the fourth component is treated as w/real).

Types

pub type Vec4 {
  Vec4(x: Float, y: Float, z: Float, w: Float)
}

Vec4(x: Float, y: Float, z: Float, w: Float)

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pub fn add(a: Vec4, b: Vec4) -> Vec4

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pub fn clamp(v: Vec4, lo: Float, hi: Float) -> Vec4

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pub fn distance(a: Vec4, b: Vec4) -> Float

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pub fn dot(a: Vec4, b: Vec4) -> Float

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pub fn is_close(a: Vec4, b: Vec4, tol: Float) -> Bool

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pub fn length(v: Vec4) -> Float

Length using two-level hypot to avoid overflow at extreme scales.

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pub fn length_squared(v: Vec4) -> Float

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pub fn lerp(a: Vec4, b: Vec4, t: Float) -> Vec4

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pub fn multiply(a: Vec4, b: Vec4) -> Vec4

Hadamard (component-wise) product.

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pub fn negate(v: Vec4) -> Vec4

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pub fn normalize(v: Vec4) -> Vec4

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pub fn scale(v: Vec4, s: Float) -> Vec4

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pub fn splat(value: Float) -> Vec4

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pub fn sub(a: Vec4, b: Vec4) -> Vec4

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pub fn zero() -> Vec4