draw yaw scale

App/mainwindow.cpp

@@ -22,7 +22,7 @@ MainWindow::MainWindow(QWidget *parent)
 
    copk = new Cockpit(this);
 
-   copk->setGeometry(this->width() - copk->width(),0,700,this->height());
+   copk->setGeometry(this->width() - copk->width(),0,900,this->height());
 
 
    nav->setGeometry(0,0,50,this->height());

Cockpit/Cockpit.cpp

@@ -76,7 +76,7 @@ void Cockpit::mousePressEvent(QMouseEvent *e)
 
     m_c = this->pos();
 
-    setPitch(m_Attitude.pitch + e->x());
+    //setPitch(m_Attitude.pitch + e->x());
 
 
     update();
@@ -94,7 +94,9 @@ void Cockpit::wheelEvent(QWheelEvent *e)
     setRoll(m_Attitude.roll + e->angleDelta().y()/120.0f);
     setPitch(m_Attitude.pitch + e->angleDelta().y()/120.0f);
 
-    qDebug() << "wheel event" << m_Attitude.roll << m_Attitude.pitch;
+    setYaw(m_Attitude.yaw + e->angleDelta().y()/120.0f);
+
+    qDebug() << "wheel event" << m_Attitude.roll << m_Attitude.pitch << m_Attitude.yaw;
 
     update();
 }
@@ -215,7 +217,7 @@ void Cockpit::paintEvent(QPaintEvent *)
     drawPitch(&painter);
     drawRoll(&painter);
     drawRollScale(&painter);
-    //drawYawScale(&painter);
+    drawYawScale(&painter);
     //drawScale(&painter);
     //drawCenterLine(&painter);
     //drawText(&painter);
@@ -308,9 +310,9 @@ void Cockpit::drawRoll(QPainter *painter)
 
         //画紫色小三角形
         static const QPointF points1[3] = {
-              QPointF(-50,-620),
+              QPointF(-30,-630),
               QPointF(0,-690),
-              QPointF(50,-620)
+              QPointF(30,-630)
         };
 
         pen.setWidth(1);
@@ -322,9 +324,9 @@ void Cockpit::drawRoll(QPainter *painter)
 
         //画白色小三角形
         static const QPointF points2[3] = {
-              QPointF(-50,-800),
+              QPointF(-30,-770),
               QPointF(0,-710),
-              QPointF(50,-800)
+              QPointF(30,-770)
           };
 
         pen.setWidth(1);
@@ -411,19 +413,19 @@ void Cockpit::drawRollScale(QPainter *painter)
 
         if((i%10) == 0)
         {
-           if(i!=0){
+           if((i!=0)&&(i != 20)){
                painter->drawLine(-290,i * h,290,i * h);
                painter->drawText(-380,i * h + 30, strText);//减去字体的一半
                painter->drawText( 300,i * h + 30, strText);
            }
-
         }
 
+
         else if((i%5) == 0)
         {
            painter->drawLine(-100,i * h,100,i * h);
-           painter->drawText(-180,i * h+ 30, strText);
-           painter->drawText( 110,i * h+ 30, strText);
+           //painter->drawText(-180,i * h+ 30, strText);
+           //painter->drawText( 110,i * h+ 30, strText);
         }
 
 
@@ -442,47 +444,110 @@ void Cockpit::drawYawScale(QPainter *painter)
 
     painter->save();
 
-    //绘制Yaw
-    QPen pen;
-    pen.setWidth(10);
-    pen.setColor(Qt::black);
-    painter->setPen(pen);
+    QPen ePen;
+    //平移坐标
+    painter->translate(0,950);
 
-    //计算出Yaw的范围
-    float YawLimitMin,YawLimitMax;
-    YawLimitMin = m_YawValue - 60;
-    if(YawLimitMin < 0)YawLimitMin += 360;
+    painter->save();
+    //画一个半透明的基础圆
+    painter->setOpacity(0.3f);
+    ePen.setColor(QColor("#7A7A7A"));
+    painter->setBrush(QColor("#7A7A7A"));
+    painter->drawEllipse(-500,-500,1000,1000);
+    painter->restore();
 
-    YawLimitMax = m_YawValue + 60;
-    if(YawLimitMin > 360)YawLimitMin -= 360;
+    painter->save();
+    //画一个顶部三角形
+    painter->setOpacity(1.0f);
 
-    int CurrentYaw = m_YawValue;
-    CurrentYaw = CurrentYaw/10;//0~35
+    static const QPointF points[3] = {
+          QPointF(-30,-560),
+          QPointF(0,-500),
+          QPointF(30,-560)
+      };
 
+    ePen.setWidth(1);
+    ePen.setColor(m_CurrentColor);
+    painter->setPen(ePen);
+    painter->setBrush(m_CurrentColor);
+    painter->drawPolygon(points,3);
+
+    painter->restore();
+
+
+
+
+    ePen.setColor(m_CentreLineColor);
+    ePen.setWidth(10);
     QFont font;
-    font.setPixelSize(150);
+    font.setPointSize(60);
+
+    painter->setPen(ePen);
     painter->setFont(font);
 
-    QString str;
+    //旋转
+    painter->rotate(m_Attitude.yaw);
+    //画刻度
 
-    for(int i = YawLimitMin; i <= YawLimitMax; i+=5)
+    for(int i=0;i<72;i++)
     {
-        if(i%90 == 0)
-        {
-            switch(i)
-            {
-                case 0   :{ str = "N"; }break;
-                case 90  :{ str = "E"; }break;
-                case 180 :{ str = "S"; }break;
-                case 270 :{ str = "W"; }break;
+        painter->save();
 
-            }
-        }
+        painter->setOpacity(1.0f);
+
+        painter->translate(0,0);
+        painter->rotate(i * 5.0f);
+        if((i%2) == 0)
+           painter->drawLine(0,-500,0,-460);
         else
+           painter->drawLine(0,-500,0,-480);
+
+        if((i%6) == 0)
         {
-            painter->drawLine((i - m_YawValue)*10,-900, (i - m_YawValue)*10, -850);
+
+           if((i == 0)||(i == 18)||(i == 36)||(i == 54))
+           {
+               switch (i) {
+               case 0:
+                   painter->drawText( -20,-380, "N");
+                   break;
+               case 18:
+                   painter->drawText( -20,-380, "E");
+                   break;
+               case 36:
+                   painter->drawText( -20,-380, "S");
+                   break;
+               case 54:
+                   painter->drawText( -20,-380, "W");
+                   break;
+               default:
+                   break;
+               }
+
+           }
+           else
+           {
+               QString strText = QString::number(qAbs(i/2));
+
+
+               if(strText.length() > 1)
+               {
+                  painter->drawText( -40,-380, strText);
+               }
+               else
+               {
+                  painter->drawText( -20,-380, strText);
+               }
+           }
         }
+
+        painter->restore();
     }
+
+
+
+
+
     painter->restore();
 }