Fix angle calculation

src/mousepicker.cpp

@@ -41,6 +41,7 @@ MousePicker::~MousePicker()
 bool MousePicker::calculateMouseModelPosition(QVector3D &mouseModelPosition)
 {
     bool foundPosition = false;
+    auto ray = (m_mouseRayNear - m_mouseRayFar).normalized();
     float minDistance2 = std::numeric_limits<float>::max();
     for (size_t i = 0; i < m_outcome.triangles.size(); ++i) {
         const auto &triangleIndices = m_outcome.triangles[i];
@@ -50,6 +51,8 @@ bool MousePicker::calculateMouseModelPosition(QVector3D &mouseModelPosition)
             m_outcome.vertices[triangleIndices[2]],
         };
         const auto &triangleNormal = m_outcome.triangleNormals[i];
+        if (QVector3D::dotProduct(triangleNormal, ray) <= 0)
+            continue;
         QVector3D intersection;
         if (intersectSegmentAndTriangle(m_mouseRayNear, m_mouseRayFar,
                 triangle,
@@ -63,7 +66,7 @@ bool MousePicker::calculateMouseModelPosition(QVector3D &mouseModelPosition)
             }
         }
     }
-    return true;
+    return foundPosition;
 }
 
 void MousePicker::pick()
@@ -80,21 +83,24 @@ void MousePicker::pick()
         for (const auto &node: map.paintNodes) {
             if (!m_mousePickMaskNodeIds.empty() && m_mousePickMaskNodeIds.find(node.originNodeId) == m_mousePickMaskNodeIds.end())
                 continue;
-            float sumOfDistance = 0;
             size_t intersectedNum = 0;
             QVector3D sumOfDirection;
             QVector3D referenceDirection = (m_targetPosition - node.origin).normalized();
+            float sumOfRadius = 0;
             for (const auto &vertexPosition: node.vertices) {
-                if (QVector3D::dotProduct(referenceDirection, (vertexPosition - node.origin).normalized()) > 0 &&
+                // >0.866 = <30 degrees
+                auto direction = (vertexPosition - node.origin).normalized();
+                if (QVector3D::dotProduct(referenceDirection, direction) > 0.866 &&
                         (vertexPosition - m_targetPosition).lengthSquared() <= distance2) {
-                    sumOfDistance += vertexPosition.distanceToPoint(m_targetPosition);
+                    float distance = vertexPosition.distanceToPoint(m_targetPosition);
-                    sumOfDirection += (vertexPosition - node.origin).normalized();
+                    float radius = (m_radius - distance) / node.radius;
+                    sumOfRadius += radius;
+                    sumOfDirection += direction * radius;
                     ++intersectedNum;
                 }
             }
             if (intersectedNum > 0) {
-                float averageDistance = sumOfDistance / intersectedNum;
+                float paintRadius = sumOfRadius / intersectedNum;
-                float paintRadius = (m_radius - averageDistance) / node.radius;
                 QVector3D paintDirection = sumOfDirection.normalized();
                 float degrees = angleInRangle360BetweenTwoVectors(node.baseNormal, paintDirection, node.direction);
                 float offset = (float)node.order / map.paintNodes.size();
@@ -133,10 +139,10 @@ void MousePicker::paintToImage(const QUuid &partId, float x, float y, float radi
     {
         QRadialGradient gradient(destX, destY, destRadius / 2);
         if (inverted) {
-            gradient.setColorAt(0, QColor(0, 0, 0, 2));
+            gradient.setColorAt(0, QColor(0, 0, 0, 3));
             gradient.setColorAt(1, Qt::transparent);
         } else {
-            gradient.setColorAt(0, QColor(255, 255, 255, 2));
+            gradient.setColorAt(0, QColor(255, 255, 255, 3));
             gradient.setColorAt(1, Qt::transparent);
         }
         QBrush brush(gradient);

src/util.cpp

@@ -43,7 +43,7 @@ float angleInRangle360BetweenTwoVectors(QVector3D a, QVector3D b, QVector3D plan
     float degrees = acos(QVector3D::dotProduct(a, b)) * 180.0 / M_PI;
     QVector3D direct = QVector3D::crossProduct(a, b);
     if (QVector3D::dotProduct(direct, planeNormal) < 0)
-        return 180 + degrees;
+        return 360 - degrees;
     return degrees;
 }
 

thirdparty/nodemesh/nodemesh/builder.cpp

@@ -412,6 +412,7 @@ bool Builder::build()
     
     unifyBaseNormals();
     localAverageBaseNormals();
+    unifyBaseNormals();
     
     for (const auto &nodeIndex: m_sortedNodeIndices) {
         if (!generateCutsForNode(nodeIndex))

thirdparty/nodemesh/nodemesh/misc.cpp

@@ -38,7 +38,7 @@ float nodemesh::degreeBetweenIn360(const QVector3D &a, const QVector3D &b, const
     auto angle = radianToDegree(angleBetween(a, b));
     auto c = QVector3D::crossProduct(a, b);
     if (QVector3D::dotProduct(c, direct) < 0) {
-        angle += 180;
+        angle = 360 - angle;
     }
     return angle;
 }

thirdparty/simpleuv/simpleuv/chartpacker.cpp

@@ -31,9 +31,9 @@ bool ChartPacker::tryPack(float textureSize)
     std::vector<maxRectsSize> rects;
     int width = textureSize * m_floatToIntFactor;
     int height = width;
-    if (m_tryNum > 50) {
+    //if (m_tryNum > 50) {
     //    qDebug() << "Try the " << m_tryNum << "nth times pack with factor:" << m_textureSizeFactor << " size:" << width << "x" << height;
-    }
+    //}
     float paddingSize = m_paddingSize * width;
     float paddingSize2 = paddingSize + paddingSize;
     for (const auto &chartSize: m_chartSizes) {

thirdparty/simpleuv/simpleuv/chartpacker.h

@@ -21,11 +21,11 @@ private:
     std::vector<std::pair<float, float>> m_chartSizes;
     std::vector<std::tuple<float, float, float, float, bool>> m_result;
     float m_initialAreaGuessFactor = 1.1;
-    float m_textureSizeGrowFactor = 0.01;
+    float m_textureSizeGrowFactor = 0.05;
     float m_floatToIntFactor = 10000;
     size_t m_tryNum = 0;
     float m_textureSizeFactor = 1.0;
-    float m_paddingSize = 0.001;
+    float m_paddingSize = 0.002;
     size_t m_maxTryNum = 100;
 };
 

thirdparty/simpleuv/simpleuv/triangulate.cpp

@@ -18,7 +18,7 @@ static float angle360(const Eigen::Vector3d &a, const Eigen::Vector3d &b, const
     auto angle = atan2((a.cross(b)).norm(), a.dot(b)) * 180.0 / 3.1415926;
     auto c = a.cross(b);
     if (c.dot(direct) < 0) {
-        angle += 180;
+        angle = 360 - angle;
     }
     return angle;
 }