rename velocity to speed

mass is a scalar quantity

1 files changed, 3 insertions, 3 deletions

diff --git a/site/main.mjs b/site/main.mjs
index 6bd2093..e049dea 100644
--- a/site/main.mjs
+++ b/site/main.mjs
@@ -61,7 +61,7 @@ function renderVars(vm) {
             e.removeChild(e.lastChild);
         }
 
-        ['out', 'heading', 'velocity', 'doppler'].forEach(name => {
+        ['out', 'heading', 'speed', 'doppler'].forEach(name => {
             const dt = document.createElement('dt');
             dt.textContent = name;
             e.appendChild(dt);
@@ -90,11 +90,11 @@ function renderArena(robos) {
 
     robos.forEach(robo => {
         let heading = robo.vm.heading();
-        let velocity = robo.vm.velocity();
+        let speed = robo.vm.speed();
         let [velx, vely] = [
             Math.cos(2 * Math.PI * heading / 360),
             Math.sin(2 * Math.PI * heading / 360)
-        ].map(x => velocity * x);
+        ].map(x => speed * x);
 
         renderRobo(ctx, robo.x, robo.y);
         robo.x += velx;