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Packages › bevy_render › maths.wgsl

Constants

PI

#
Used by 7 shaders
const PI: f32 = 3.141592653589793

PI_2

#
Used by 4 shaders
const PI_2: f32 = 6.283185307179586

HALF_PI

#
Used by 3 shaders in bevy_pbr 0.15.3
const HALF_PI: f32 = 1.57079632679

FRAC_PI_3

#
Used by 2 shaders
const FRAC_PI_3: f32 = 1.0471975512

E

#
Used by 2 shaders in bevy_pbr 0.15.3
const E: f32 = 2.718281828459045

Functions

affine2_to_square

#
Used by 1 shader in bevy_pbr 0.15.3
fn affine2_to_square (
affine: mat3x2<f32>
) -> mat3x3<f32>

affine3_to_square

#
Used by 8 shaders
fn affine3_to_square (
affine: mat3x4<f32>
) -> mat4x4<f32>

mat2x4_f32_to_mat3x3_unpack

#
Used by 4 shaders
fn mat2x4_f32_to_mat3x3_unpack (
a: mat2x4<f32>,
b: f32
) -> mat3x3<f32>

affine3_to_mat3x3

#
Used by 1 shader in bevy_pbr 0.15.3

Extracts the square portion of an affine matrix: i.e. discards the translation.

fn affine3_to_mat3x3 (
affine: mat4x3<f32>
) -> mat3x3<f32>

inverse_mat3x3

#
Used by 1 shader in bevy_pbr 0.15.3

Returns the inverse of a 3x3 matrix.

fn inverse_mat3x3 (
matrix: mat3x3<f32>
) -> mat3x3<f32>

inverse_affine3

#
Used by 1 shader in bevy_pbr 0.15.3

https://en.wikipedia.org/wiki/Affine_transformation#Groups

fn inverse_affine3 (
affine: mat4x3<f32>
) -> mat4x3<f32>

mat4x4_to_mat3x3

#
Used by 1 shader in bevy_pbr 0.15.3

Extracts the upper 3x3 portion of a 4x4 matrix.

fn mat4x4_to_mat3x3 (
m: mat4x4<f32>
) -> mat3x3<f32>

orthonormalize

#
Used by 2 shaders in bevy_pbr 0.15.3
fn orthonormalize (
z_unnormalized: vec3<f32>,
up: vec3<f32>
) -> mat3x3<f32>

sphere_intersects_plane_half_space

#
Used by 1 shader in bevy_pbr 0.15.3

This is used for frustum culling.

fn sphere_intersects_plane_half_space (
plane: vec4<f32>,
sphere_center: vec4<f32>,
sphere_radius: f32
) -> bool

powsafe

#
Used by 4 shaders

pow() but safe for NaNs/negatives

fn powsafe (
color: vec3<f32>,
power: f32
) -> vec3<f32>
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