From 89ad39b3e4c597f9f9a55732f2aef126ff091c0d Mon Sep 17 00:00:00 2001
From: dengqn <434500374@qq.com>
Date: Tue, 5 Aug 2025 19:04:27 +0800
Subject: [PATCH] perf:writer

---
 src/camera.rs | 2 +-
 src/main.rs   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/camera.rs b/src/camera.rs
index e9c0538..6040577 100644
--- a/src/camera.rs
+++ b/src/camera.rs
@@ -108,7 +108,7 @@ impl<'a> Camera<'a> {
         }
 
         // 限制出射光线的角度（0.001经验值）
-        let hr = world.hit(&ray, 0.01, f32::MAX);
+        let hr = world.hit(&ray, 0.001, f32::MAX);
         if hr.t >= 0.0 {
             // diffuse normal vec
             let diffuse_vec = Vec3::random_unit();
diff --git a/src/main.rs b/src/main.rs
index 9cd0a09..e6456cc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -46,10 +46,10 @@ fn camera_render() {
     // world
     // world objects(spheres)
     let mut world = HittableList::new();
-    world.put(Box::new(Sphere::new(Point::new(0.0, 0.1, -1.0), 0.5)));
+    world.put(Box::new(Sphere::new(Point::new(0.0, 0.0, -1.0), 0.5)));
     world.put(Box::new(Sphere::new(Point::new(0.3, 0.1, -1.0), 0.1)));
     world.put(Box::new(Sphere::new(Point::new(-0.5, 0.0, -1.0), 0.3)));
-    world.put(Box::new(Sphere::new(Point::new(0.0, -100.0, -1.0), 100.0)));
+    world.put(Box::new(Sphere::new(Point::new(0.0, -1000.0, -1.0), 1000.0)));
     world.put(Box::new(Sphere::new(Point::new(-0.5, 0.2, -0.5), 0.4)));
 
     camera.render(&world);