From c49d3380b49e13d6be5c832679077b98b66c9ac7 Mon Sep 17 00:00:00 2001
From: Andre Henriques <andr3h3nriqu3s@gmail.com>
Date: Wed, 15 Mar 2023 22:35:16 +0000
Subject: [PATCH] added delta

---
 src/main.rs   |  6 ------
 src/render.rs | 27 ++++++++++++++++++++-------
 2 files changed, 20 insertions(+), 13 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 44e235d..904c5d0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -11,7 +11,6 @@ mod utils;
 use animations::Animation;
 use r2d2::PooledConnection;
 use utils::ApiResponse;
-use render::Lerp;
 
 use rocket::{State, serde::json::serde_json::json};
 
@@ -114,7 +113,6 @@ fn ligth_controll(
 
         if ani.is_ok() {
             println!("Added animation");
-            println!("aaa {}", 0.lerp(&255));
             //TODO
             render.add_animation(ani.ok().unwrap());
             //ani.ok().unwrap().
@@ -126,10 +124,6 @@ fn ligth_controll(
             render.remove_animation(ani.ok().unwrap());
         }
 
-        println!("aaa");
-
-        println!("aaa {}", 0.lerp(&255));
-
         render.render();
 
     }
diff --git a/src/render.rs b/src/render.rs
index e86f1b0..9c1e7d7 100644
--- a/src/render.rs
+++ b/src/render.rs
@@ -41,6 +41,8 @@ pub struct RenderAnimation {
 pub struct Render {
     conn: DBPool,
     num_leds: u32,
+
+    last_render: u64,
     
     ws: Option<Ws2812Rpi>,
     last: Vec<RGB8>,
@@ -65,6 +67,7 @@ impl Render {
         let mut render = Render {
             conn,
             num_leds: 0,
+            last_render: 0,
             ws: None,
             animations: vec![],
             local_led_config: vec![],
@@ -158,7 +161,6 @@ impl Render {
     pub fn add_animation(&mut self, animation: Animation) {
 
         println!("Added animation");
-        println!("aaa {}", 0.lerp(&255));
 
         let mut key_frames = Vec::new();
 
@@ -234,6 +236,14 @@ impl Render {
 
         let time = SystemTime::now().duration_since(UNIX_EPOCH).expect("Time went backwards").as_secs();
 
+        if self.last_render == 0 {
+            self.last_render = time;
+        }
+
+        let delta = time - self.last_render;
+
+        self.last_render = time;
+
         let mut to_clean: Vec<String> = Vec::new();
 
         let animations = self.animations.clone().iter_mut().map(|animation| {
@@ -287,7 +297,7 @@ impl Render {
             }
 
             
-            let lerp_data: Vec<RGB<u8>> = data.iter().zip(&self.last).map(|(d, l)| d.lerp(l)).collect();
+            let lerp_data: Vec<RGB<u8>> = data.iter().zip(&self.last).map(|(d, l)| d.lerp(l, delta as f64)).collect();
 
             println!("d:{:?}\n l:{:?}", data, lerp_data);
 
@@ -304,18 +314,21 @@ impl Render {
 }
 
 pub trait Lerp {
-    fn lerp(self, other: &Self) -> Self;
+    fn lerp(self, other: &Self, diff: f64) -> Self;
 }
 
 impl Lerp for u8 {
-    fn lerp(self, other: &Self) -> Self {
-        ((self as f64) + (((*other as f64) - (self as f64)) * 0.1)) as u8
+    fn lerp(self, other: &Self, diff: f64) -> Self {
+            
+        let delta = diff / 1000.0;
+
+        ((self as f64) + (((*other as f64) - (self as f64)) * 0.5 * delta)) as u8
     }
 }
 
 impl Lerp for RGB<u8> {
-    fn lerp(self, other: &Self) -> Self {
-        RGB::new(self.r.lerp(&other.r), self.g.lerp(&other.g), self.b.lerp(&other.b))
+    fn lerp(self, other: &Self, diff: f64) -> Self {
+        RGB::new(self.r.lerp(&other.r, diff), self.g.lerp(&other.g, diff), self.b.lerp(&other.b, diff))
     }
 }