update openvr, move layers far away in vr to match brush cursor

src/app_vr.cpp

@@ -94,8 +94,8 @@ void App::vr_update(float dt)
         auto p = controller_points.average();
         if (glm::distance(p, controller_last_point) > 1)
         {
-            render_task_async([p, c=down_controller]{
-                Canvas::I->stroke_update(p, c->get_trigger_value());
+            render_task_async([p, f=down_controller->get_trigger_value()]{
+                Canvas::I->stroke_update(p, f);
                 Canvas::I->stroke_draw();
             });
             controller_last_point = p;
@@ -216,7 +216,7 @@ void App::vr_draw(const glm::mat4& proj, const glm::mat4& camera, const glm::mat
 
             int z = (int)(canvas->m_canvas->m_layers.size() - i);
             auto plane_mvp_z = proj * camera * 
-                glm::scale(glm::vec3(z) * 20.f) * 
+                glm::scale(glm::vec3(100.f)) * 
                 //glm::eulerAngleYXZ(yaw, pitch, roll) *
                 canvas->m_canvas->m_plane_transform[plane_index] *
                 glm::translate(glm::vec3(0, 0, -1));