ui: refactor rocket ui (commaai#435)

rockettttt

selfdrive/ui/sunnypilot/qt/onroad/annotated_camera.cc

@@ -1290,46 +1290,25 @@ void AnnotatedCameraWidgetSP::drawDriverState(QPainter &painter, const UIStateSP
 }
 
 void AnnotatedCameraWidgetSP::rocketFuel(QPainter &p) {
-
-  static const int ct_n = 1;
-  static float ct;
-
-  int rect_w = rect().width();
-  int rect_h = rect().height();
-
-  const int n = 15 + 1; //Add one off screen due to timing issues
-  static float t[n];
-  int dim_n = (sin(ct / 5) + 1) * (n - 0.01);
-  t[dim_n] = 1.0;
-  t[(int)(ct/ct_n)] = 1.0;
-
-  UIStateSP *s = uiStateSP();
-  float vc_accel0 = (*s->sm)["carState"].getCarState().getAEgo();
-  static float vc_accel;
-  vc_accel = vc_accel + (vc_accel0 - vc_accel) / 5;
-  float hha = 0;
-  if (vc_accel > 0) {
-    hha = 0.85 - 0.1 / vc_accel;  // only extend up to 85%
+  UIState *s = uiState();
+  float accel = (*s->sm)["carControl"].getCarControl().getActuators().getAccel();
+  int widgetHeight = rect().height();
+  float halfHeightAbs = std::abs(accel) * widgetHeight / 2.0f;
+  const float scannerWidth = 15;
+  QRect scannerRect;
+
+  if (accel > 0) {
     p.setBrush(QColor(0, 245, 0, 200));
-  }
-  if (vc_accel < 0) {
-    hha = 0.85 + 0.1 / vc_accel; // only extend up to 85%
-    p.setBrush(QColor(245, 0, 0, 200));
-  }
-  if (hha < 0) {
-    hha = 0;
-  }
-  hha = hha * rect_h;
-  float wp = 28;
-  if (vc_accel > 0) {
-    QRect ra = QRect(rect_w - wp, rect_h / 2 - hha / 2, wp, hha / 2);
-    p.drawRect(ra);
+    scannerRect = QRect(0, widgetHeight / 2 - halfHeightAbs, scannerWidth, halfHeightAbs);
   } else {
-    QRect ra = QRect(rect_w - wp, rect_h / 2, wp, hha / 2);
-    p.drawRect(ra);
+    p.setBrush(QColor(245, 0, 0, 200));
+    scannerRect = QRect(0, widgetHeight / 2, scannerWidth, halfHeightAbs);
   }
+
+  p.drawRect(scannerRect);
 }
 
+
 void AnnotatedCameraWidgetSP::drawLead(QPainter &painter, const cereal::RadarState::LeadData::Reader &lead_data, const QPointF &vd,
                                      int num, const cereal::CarState::Reader &car_data, int chevron_data) {
   painter.save();