1 files changed, 17 insertions, 4 deletions
diff --git a/projects/projectile/index.js b/projects/projectile/index.js
index 1c03d46..ce6ba44 100644
--- a/projects/projectile/index.js
+++ b/projects/projectile/index.js
@@ -23,6 +23,13 @@ let projectile= function (p){
         vt=p.createElement('span', '');
         katex.render("v(t)", vt.elt);
 
+        vi=p.createElement('span', '');
+        katex.render("\\vec{i}", vi.elt);
+
+        vj=p.createElement('span', '');
+        katex.render("\\vec{j}", vj.elt);
+
+        
     };
 
     // See explanations
@@ -35,7 +42,7 @@ let projectile= function (p){
     }
 
     function v(t) {
-        return (-g * t + v0)
+        return -g * t + v0
     }
 
     let draw_vectors=function(x,y,skiparrow=false){
@@ -44,8 +51,14 @@ let projectile= function (p){
         draw_arrow(p,x,y,x+x0,y-v(t),vt,c,skiparrow)
         p.stroke(200)
         draw_arrow(p,x0,height-y0,x,y,r,c,skiparrow)
-        p.stroke(122, 199, 107)
+        p.stroke(181, 107, 199)
         draw_arrow(p,x0,height-y0,x0+v0,height-(y0+v0),v0t,c,skiparrow)
+
+        p.stroke(121, 199, 107)
+        draw_arrow(p,50,50,50,0,vj,c,skiparrow,true)
+        p.stroke(199,119,107)
+        draw_arrow(p,50,50,100,50,vi,c,skiparrow)
+
         p.pop()
     }
     
@@ -71,7 +84,8 @@ let projectile= function (p){
         if(t>50 || (height-y0)<y){
               end=true
         }
-        
+
+        // Update state
         if(!end){
             t+=0.1
             dots.push([x,y])
@@ -89,7 +103,6 @@ refresh=function(){
     y0=parseFloat(app.y0)
     v0=parseFloat(app.v0)
     g=parseFloat(app.g)
-    console.log(app.x0)
     p5Load()
 }