Fix predrawn curves having zero width

client/client_recv.js

@@ -184,7 +184,7 @@ function handle_event(state, context, event, options = {}) {
         }
 
         case EVENT.PREDRAW: {
-            geometry_add_point(state, context, event.user_id, {'x': event.x, 'y': event.y}, 0.5); // TODO: event.pressure
+            geometry_add_point(state, context, event.user_id, {'x': event.x, 'y': event.y, 'pressure': 128}, false); // TODO: add pressure to predraw events
             need_draw = true;
             break;
         }

client/webgl_draw.js

@@ -251,6 +251,7 @@ async function draw(state, context, animate, ts) {
         gl.vertexAttribDivisor(locations['a_stroke_id'], 0);
         gl.vertexAttribDivisor(locations['a_pressure'], 0);
     }
+
     // Dynamic strokes should be drawn above static strokes
     gl.clear(gl.DEPTH_BUFFER_BIT);