const NO_BED_DEPTH: f32 = 256.0

const UV_CENTER: f32 = 0.5

var source_foam: texture_2d_array<f32>

var source_sampler: sampler

var anim_waves: texture_2d_array<f32>

var waves_sampler: sampler

var bed_height: texture_2d<f32>

var target_foam: texture_storage_2d_array<rgba16float, write>

var<uniform> foam: FoamUniform

var fft_surface: texture_2d_array<f32>

fn world_to_uv ( ) -> vec2<f32>

fn texel_world ( ) -> vec2<f32>

fn inside_source ( ) -> bool

fn reproject ( ) -> f32

fn displacement ( ) -> vec4<f32>

fn jacobian_foam_source ( ) -> f32

fn averaged_foam_source ( ) -> f32

fn bed_water_depth ( ) -> f32

fn update ( )

fn main ( )

fn main ( )

fn main ( )