diff --git a/src/agent.rs b/src/agent.rs
index 2fc3a4e..c9e9ddb 100644
--- a/src/agent.rs
+++ b/src/agent.rs
@@ -9,7 +9,7 @@ use std::fmt::{Display, Formatter};
 pub struct Agent {
     pub x: f32,
     pub y: f32,
-    angle: f32,
+    heading: f32,
 }
 
 impl Display for Agent {
@@ -25,7 +25,7 @@ impl Agent {
         Agent {
             x: x * width as f32,
             y: y * height as f32,
-            angle: angle * TAU,
+            heading: angle * TAU,
         }
     }
 
@@ -40,11 +40,11 @@ impl Agent {
         width: usize,
         height: usize,
     ) {
-        let xc = self.x + cos(self.angle) * sensor_distance;
-        let yc = self.y + sin(self.angle) * sensor_distance;
+        let xc = self.x + cos(self.heading) * sensor_distance;
+        let yc = self.y + sin(self.heading) * sensor_distance;
 
-        let agent_add_sens = self.angle + sensor_angle;
-        let agent_sub_sens = self.angle - sensor_angle;
+        let agent_add_sens = self.heading + sensor_angle;
+        let agent_sub_sens = self.heading - sensor_angle;
 
         let xl = self.x + cos(agent_sub_sens) * sensor_distance;
         let yl = self.y + sin(agent_sub_sens) * sensor_distance;
@@ -73,8 +73,8 @@ impl Agent {
 
         let delta_angle = rotation_angle * direction;
 
-        self.angle = wrap(self.angle + delta_angle, TAU);
-        self.x = wrap(self.x + step_distance * cos(self.angle), width as f32);
-        self.y = wrap(self.y + step_distance * sin(self.angle), height as f32);
+        self.heading = wrap(self.heading + delta_angle, TAU);
+        self.x = wrap(self.x + step_distance * cos(self.heading), width as f32);
+        self.y = wrap(self.y + step_distance * sin(self.heading), height as f32);
     }
 }