From 84b8e9c9a5fef2819a8591cd3a3ccb399ac6335e Mon Sep 17 00:00:00 2001
From: numzero <numzer0@yandex.ru>
Date: Sat, 29 Mar 2025 10:45:16 +0300
Subject: [PATCH] Remove glare

---
 src/scene.rs   |  2 --
 src/trace.rs   |  6 ------
 src/trace.wgsl | 11 +----------
 3 files changed, 1 insertion(+), 18 deletions(-)

diff --git a/src/scene.rs b/src/scene.rs
index 3ac345c..437cd1b 100644
--- a/src/scene.rs
+++ b/src/scene.rs
@@ -112,8 +112,6 @@ impl Renderer {
 			trace::Aperture {
 				radius: 0.0003,
 				focal_distance: std::f32::INFINITY,
-				glare_strength: 0.1,
-				glare_radius: 0.1,
 			},
 			location,
 		);
diff --git a/src/trace.rs b/src/trace.rs
index d313574..bd08cf3 100644
--- a/src/trace.rs
+++ b/src/trace.rs
@@ -22,8 +22,6 @@ pub struct Viewport {
 pub struct Aperture {
 	pub radius: f32,
 	pub focal_distance: f32, // from 0 (exclusive) to +∞ (inclusive)
-	pub glare_strength: f32,
-	pub glare_radius: f32, // at distance 1
 }
 
 #[derive(Debug, Clone, Copy)]
@@ -50,8 +48,6 @@ struct CameraData {
 	aperture: f32,
 	eye: Vec3,
 	antifocal: f32,
-	glare_strength: f32,
-	glare_radius: f32,
 }
 
 impl From<(Viewport, CameraLocation, Aperture)> for CameraData {
@@ -65,8 +61,6 @@ impl From<(Viewport, CameraLocation, Aperture)> for CameraData {
 			height: value.0.corner.y / value.0.corner.z,
 			aperture: value.2.radius,
 			antifocal: 1. / value.2.focal_distance,
-			glare_strength: value.2.glare_strength,
-			glare_radius: value.2.glare_radius,
 		}
 	}
 }
diff --git a/src/trace.wgsl b/src/trace.wgsl
index 0f87fe1..e8fadef 100644
--- a/src/trace.wgsl
+++ b/src/trace.wgsl
@@ -12,9 +12,6 @@ struct Params {
 	aperture: f32,
 	eye: vec3f,
 	antifocal: f32,
-
-	glare_strength: f32,
-	glare_radius: f32,
 }
 
 struct Sphere {
@@ -82,13 +79,7 @@ fn trace_fragment(in: Varying) -> vec3f {
 	pos = params.eye + aperture_offset_abs;
 	let off_px = vec2(rand_float(), rand_float()) - .5;
 	let off_w = mat2x3(dpdx(in.dir), dpdy(in.dir));
-	var dir = in.dir + off_w * off_px;
-	if (rand_float() < params.glare_strength) {
-		let p = rand_float();
-		let d = params.glare_radius * pow(p, 2.);
-		let glare_off = d * rand_disc();
-		dir += view_mtx * vec3(glare_off, 0.);
-	}
+	let dir = in.dir + off_w * off_px;
 	ray = normalize(dir - params.antifocal * aperture_offset_abs);
 
 	for (var k = 0; k < params.max_reflections; k++) {