storytold/storyteller-bevy
2
0
Fork 0
mirror of https://github.com/storytold/storyteller-bevy.git synced 2026-10-17 00:13:17 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix issues with procedural grid shader

Browse Source
This commit is contained in:
Danny McGee
2023-09-29 18:15:53 -04:00
parent c05f341770
commit 7cc20fa500
1 changed files with 1 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files
hello-world/assets/shaders/procedural_grid.wgsl
+1 -19
View File
@@ -1,10 +1,3 @@
// TODO: Figure out how many of these imports we actually need
#import bevy_pbr::mesh_view_bindings
#import bevy_pbr::mesh_bindings
#import bevy_pbr::mesh_functions
#import bevy_pbr::prepass_utils
#import bevy_pbr::mesh_vertex_output MeshVertexOutput
fn inv_lerp(a: f32, b: f32, v: f32) -> f32 {
@@ -26,18 +19,7 @@ fn inv_lerp(a: f32, b: f32, v: f32) -> f32 {
/// the final output.
fn grid_lines(pos: vec4<f32>, depth: f32, scale: f32, depth_min: f32, depth_max: f32) -> f32 {
let ref_coords = abs(pos) * scale;
// TODO: `modf` no longer takes a pointer as its second argument, but that
// change is not yet reflected in the Naga version used at time of writing.
// When Bevy updates its Naga dependency, this will need to be updated:
// ```
// let fracs = modf(ref_coords).fract;
// ```
// Reference: https://www.w3.org/TR/2023/WD-WGSL-20230927/#modf-builtin
var wholes = vec4<f32>(0.0, 0.0, 0.0, 0.0);
modf(ref_coords, &wholes);
let fracs = ref_coords - wholes;
let fracs = fract(ref_coords);
let thickness = (0.0333 * scale) / (depth * 100.0);
let x = smoothstep(0.0, thickness, fracs.x);