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shader pos now calculated for lowest level

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shadow cat
2024-09-18 18:38:14 -04:00
parent d5ed196e2e
commit 04dd94059d
1 changed files with 10 additions and 6 deletions
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16
src/client/render/voxel/ray_oct/shader/compute.wgsl
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@@ -134,7 +134,7 @@ fn trace_full(pos_view: vec4<f32>, dir_view: vec4<f32>) -> vec4<f32> {
var color = vec4<f32>(0.0);
var parents = array<u32, MAX_SCALE>();
var prev = LEAF_BIT;
var old_t = t;
var old_t = t / t_mult;
var child = 0u;
var vox_pos = vec3<f32>(1.0);
@@ -155,14 +155,18 @@ fn trace_full(pos_view: vec4<f32>, dir_view: vec4<f32>) -> vec4<f32> {
if node >= LEAF_BIT {
if node != prev {
if node != LEAF_BIT {
let dist = (t - old_t) / t_mult;
old_t = t;
let real_t = t / t_mult;
let dist = real_t - old_t;
old_t = real_t;
let filt = min(dist / 64.0, 1.0);
if prev == LEAF_BIT + 3 {
color.a += filt * (1.0 - color.a);
if color.a > FULL_ALPHA { break; }
}
let pos = (vox_pos - 1.5) * (dir_if) + 0.5 - scale_exp2 * (1.0 - dir_uf);
var pos = (pos_view + dir_view * real_t).xyz;
pos[axis] = round(pos[axis]) - (1.0 - dir_uf[axis]);
// if true {return vec4<f32>(floor(pos) / 16.0, 1.0);}
// let pos = (vox_pos - 1.5) * (dir_if) + 0.5 - scale_exp2 * (1.0 - dir_uf);
// let pos = t / t_mult;
// if true {return vec4<f32>(pos, 1.0);}
let vcolor = get_color(node & LEAF_MASK, pos);
@@ -233,8 +237,8 @@ fn vec_to_dir(vec: vec3<u32>) -> u32 {
}
fn get_color(id: u32, pos: vec3<f32>) -> vec4<f32> {
let random = random(pos);
let random2 = random(pos + vec3<f32>(0.0001));
let random = random(floor(pos));
let random2 = random(floor(pos) + vec3<f32>(0.0001));
switch id {
case 0u: {
return vec4<f32>(0.0);