From 8e2e7bd7057925bb950d571dc0ac3e876ce32d54 Mon Sep 17 00:00:00 2001
From: eug-vs <eugene@eug-vs.xyz>
Date: Sun, 19 May 2024 19:25:08 +0200
Subject: feat: run at 60 FPS

---
 src/main.rs     | 13 +++++++++++--
 src/renderer.rs |  2 +-
 src/sdf.rs      |  9 +++++----
 3 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 3f4dd4a..5675fac 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -15,16 +15,18 @@ use camera::Camera;
 use renderer::Renderer;
 use sdf::{Gear, Object, SDBox, Sphere};
 
+const FPS: i32 = 60;
+
 fn main() {
     // This vector will later be built
     // by parsing a JSON scene
     let mut renderer = Renderer::new(
-        Buffer::from_height(50.0, 3.0),
+        Buffer::from_height(100.0, 3.0),
         Camera::new(Vector3::new(-4.0, 0.0, 0.0), Vector3::zero(), PI / 2.0, 1.0),
         vec![
             Box::new(Sphere {
                 center: Vector3::zero(),
-                radius: 0.4,
+                radius: 1.1,
             }),
             Box::new(Gear {
                 center: Vector3::zero(),
@@ -32,6 +34,12 @@ fn main() {
                 thickness: 0.4,
                 turn_rate: 30.0,
             }),
+            Box::new(Gear {
+                center: Vector3::unit_y() * 4.90 - Vector3::unit_z() * 0.65,
+                radius: 2.0,
+                thickness: 0.4,
+                turn_rate: -30.0,
+            }),
             Box::new(SDBox {
                 center: Vector3::new(2.0, 2.0, 0.0),
                 size: Vector3::from_value(1.0),
@@ -40,6 +48,7 @@ fn main() {
     );
 
     initscr();
+    timeout(1000 / FPS);
 
     let mut time = 0.0;
 
diff --git a/src/renderer.rs b/src/renderer.rs
index 953607e..f2499f4 100644
--- a/src/renderer.rs
+++ b/src/renderer.rs
@@ -80,7 +80,7 @@ impl Renderer {
         let mut dist = 0.0;
         let mut count = 0;
 
-        while dist < 8.0 && count < 30 {
+        while dist < 15.0 && count < 50 {
             count += 1;
             dist = sdf(point);
             if dist.abs() < threshold {
diff --git a/src/sdf.rs b/src/sdf.rs
index d940f39..3204305 100644
--- a/src/sdf.rs
+++ b/src/sdf.rs
@@ -14,8 +14,8 @@ pub struct Sphere {
 }
 
 impl Object for Sphere {
-    fn sdf(&self, point: Vector, _time: f32) -> f32 {
-        (point - self.center).magnitude() - self.radius
+    fn sdf(&self, point: Vector, time: f32) -> f32 {
+        (point - self.center).magnitude() - self.radius + (time % 5.0) / 50.0
     }
 }
 
@@ -41,6 +41,7 @@ pub struct Gear {
 
 impl Object for Gear {
     fn sdf(&self, point: Vector, time: f32) -> f32 {
+        let point = point - self.center;
         let mut dist: f32;
 
         let thickness_over_2 = self.thickness / 2.0;
@@ -48,8 +49,8 @@ impl Object for Gear {
 
         // Ring
         {
-            let cylinder_dist = (Vector::new(0.0, point.y, point.z) - self.center).magnitude()
-                - (self.radius - thickness_over_4);
+            let cylinder_dist =
+                (Vector::new(0.0, point.y, point.z)).magnitude() - (self.radius - thickness_over_4);
             dist = cylinder_dist.abs() - thickness_over_2; // Make cylinder hollow
         }
         // Teeth
-- 
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