[CORE][FIX] Fix placing (partial)

- Change placing calculation logic (without sticking)
- Sticking still not working

FinalProject/boundary.h

@@ -20,6 +20,7 @@ public:
     inline glm::vec3 bottomControlPoint() const { return _bottomControlPoint; }
     inline glm::vec3 topControlPoint() const { return _topControlPoint; }
     inline glm::vec3 bottomCenterPoint() const;
+    inline glm::vec3 centerPoint() const;
 
     bool hit(const Ray& ray) const;
 
@@ -29,3 +30,7 @@ public:
 inline glm::vec3 Boundary::bottomCenterPoint() const {
     return glm::vec3((_bottomControlPoint.x + _topControlPoint.x) / 2.0f, _bottomControlPoint.y, (_bottomControlPoint.z + _topControlPoint.z) / 2.0f);
 }
+
+inline glm::vec3 Boundary::centerPoint() const {
+    return glm::vec3((_bottomControlPoint.x + _topControlPoint.x) / 2.0f, (_bottomControlPoint.y + _topControlPoint.y) / 2.0f, (_bottomControlPoint.z + _topControlPoint.z) / 2.0f);
+}

FinalProject/logger.cpp

@@ -5,6 +5,7 @@
 #include "logger.h"
 
 Logger::LogLevel Logger::_level = Logger::LogLevel::LOCALLOGLEVEL;
+std::string Logger::_previous = "";
 
 void Logger::setLogLevel(LogLevel level) {
     _level = level;

FinalProject/logger.h

@@ -2,7 +2,7 @@
 
 #include <iostream>
 
-#define LOCALLOGLEVEL INFO
+#define LOCALLOGLEVEL DEBUG
 
 class Logger {
 public:

FinalProject/model.cpp

@@ -190,13 +190,14 @@ void Model::render(const ShaderProgram& shader) const {
 }
 
 HitRecord Model::hit(const Ray& ray, const glm::mat4& modelMatrix) const {
+    HitRecord record = HitRecord();
     for (unsigned int i = 0; i < _meshes.size(); i++) {
         HitRecord hitRecord = _meshes[i].hit(ray, modelMatrix);
-        if (hitRecord.hitted()) {
-            return hitRecord;
+        if (hitRecord.hitted() && hitRecord.t() < record.t()) {
+            record = hitRecord;
         }
     }
-    return HitRecord();
+    return record;
 }
 
 Model* Model::copyToCurrentContext() const {

FinalProject/modelsetter.cpp

@@ -448,14 +448,24 @@ void ModelSetter::update(Renderable* object) {
             _rotateY->setEnabled();
             _rotateZ->setEnabled();
         }
-        // Extract x, y, z axis rotation from rotation matrix
-        glm::mat4 rotationMatrix = object->rotation();
-        float rotateX = glm::degrees(glm::asin(-rotationMatrix[1][2]));
-        float rotateY = glm::degrees(glm::atan(rotationMatrix[0][2] / rotationMatrix[2][2]));
-        float rotateZ = glm::degrees(glm::atan(rotationMatrix[1][0] / rotationMatrix[1][1]));
-        _rotateX->setValue(rotateX);
-        _rotateY->setValue(rotateY);
-        _rotateZ->setValue(rotateZ);
+        // Extract x, y, z axis rotation degree from rotation matrix
+        glm::quat quat(object->rotation());
+        glm::vec3 euler = glm::eulerAngles(quat);
+        float x = glm::degrees(euler.x);
+        float y = glm::degrees(euler.y);
+        float z = glm::degrees(euler.z);
+        if (x < 0) {
+            x += 360;
+        }
+        if (y < 0) {
+            y += 360;
+        }
+        if (z < 0) {
+            z += 360;
+        }
+        _rotateX->setValue(x);
+        _rotateY->setValue(y);
+        _rotateZ->setValue(z);
         
         if (_object == nullptr) {
             _lightSwitch->setEnabled();

FinalProject/renderable.cpp

@@ -31,11 +31,11 @@ void Renderable::setPosition(glm::vec3 position) {
 }
 
 void Renderable::rotate(glm::vec3 axis, float deltaAngle) {
-    _rotation = glm::rotate(_rotation, deltaAngle, axis);
+    _rotation = glm::rotate(_rotation, glm::radians(deltaAngle), axis);
 }
 
 void Renderable::setRotation(glm::vec3 axis, float angle) {
-    _rotation = glm::rotate(glm::mat4(1.0f), angle, axis);
+    _rotation = glm::rotate(glm::mat4(1.0f), glm::radians(angle), axis);
 }
 
 void Renderable::scale(float deltaScale) {

FinalProject/renderable.h

@@ -2,6 +2,7 @@
 
 #include <GLM/glm.hpp>
 #include <GLM/ext/matrix_transform.hpp>
+#include <GLM/gtx/quaternion.hpp>
 
 #include "model.h"
 #include "illuminer.h"
@@ -35,6 +36,7 @@ public:
     glm::vec3 position() const { return _position; }
     glm::mat4 rotation() const { return _rotation; }
     glm::vec3 scaleVal() const { return _scale; }
+    Model* model() const { return _model; }
     
     void setModel(Model* model);
     void move(glm::vec3 deltaVec);
@@ -61,9 +63,23 @@ public:
 };
 
 inline glm::mat4 Renderable::modelMatrix() const {
+    // Calculate rotate direction and angle from rotation matrix _rotation without glm
+    glm::vec3 axis;
+    float angle;
+    glm::quat quat(_rotation);
+    glm::vec3 axisAngle = glm::axis(quat);
+    axis = glm::normalize(axisAngle);
+    angle = glm::angle(quat);
+    //float rotateX = glm::degrees(glm::asin(-_rotation[1][2]));
+    //float rotateY = glm::degrees(glm::atan(_rotation[0][2] / _rotation[2][2]));
+    //float rotateZ = glm::degrees(glm::atan(_rotation[1][0] / _rotation[1][1]));
+    // Calculate model matrix
     glm::mat4 model = glm::mat4(1.0f);
     model = glm::translate(model, _position);
-    model = _rotation * model;
+    model = glm::rotate(model, angle, axis);
+    //model = glm::rotate(model, glm::radians(rotateX), glm::vec3(1.0f, 0.0f, 0.0f));
+    //model = glm::rotate(model, glm::radians(rotateY), glm::vec3(0.0f, 1.0f, 0.0f));
+    //model = glm::rotate(model, glm::radians(rotateZ), glm::vec3(0.0f, 0.0f, 1.0f));
     model = glm::scale(model, _scale);
     return model;
 }

FinalProject/sceneviewer.cpp

@@ -300,10 +300,18 @@ void SceneViewer::mouseReleaseEvent(QMouseEvent* event) {
         }
     }
     else if (_pressedObject != nullptr && _pressedObject == _selectedObject) {
-        // Double select on an object, set in operating mode
-        _operatingObject = _selectedObject;
-        _hideBound = true;
-        startOperatingObject = true;
+        if (!_dragged) {
+            // Double select on an object, set in operating mode
+            _operatingObject = _selectedObject;
+            _hideBound = true;
+            startOperatingObject = true;
+        }
+        else {
+            // keep it selected
+            _dragged = false;
+            _hideBound = false;
+            _selectedObject->updateBoundary();
+        }
     }
     else if (_dragged) {
         _dragged = false;
@@ -347,9 +355,9 @@ void SceneViewer::mouseMoveEvent(QMouseEvent* event) {
                 _hideBound = true;
                 // Rotate around camera up
                 glm::vec2 delta = glm::vec2(event->x() - _lastMousePosition.x(), event->y() - _lastMousePosition.y());
-                _selectedObject->rotate(_camera.up(), delta.x * 0.01f);
+                _selectedObject->rotate(_camera.up(), delta.x * 1.0f);
                 // Rotate around camera right
-                _selectedObject->rotate(_camera.right(), delta.y * 0.01f);
+                _selectedObject->rotate(_camera.right(), delta.y * 1.0f);
                 emit onUpdate(_selectedObject);
             }
             break;
@@ -490,34 +498,39 @@ void SceneViewer::moveOperatingObject(const Ray& ray) {
     }
     // Move the object so that the bottom center of the object is at the hit point
     else if (_stickToSurface) {
-        // Stick the bottom center of the model to the surface
-
-        // Clear current translation and rotation while keeping scale
-        _operatingObject->setPosition(glm::vec3(0.0f));
-        _operatingObject->setRotation(glm::vec3(0.0f, 0.0f, 0.0f), 0.0f);
-        _operatingObject->updateBoundary();
-
         // Set the bottom center of the model at local origin
         glm::vec3 bottomCenter = _operatingObject->boundary().bottomCenterPoint();
-        _operatingObject->move(-bottomCenter);
+        glm::vec3 modelCenter = _operatingObject->modelMatrix() * glm::vec4(glm::vec3(0.0f), 1.0f);   // model center in world space
 
         // Rotate the model to align with the surface normal
         glm::vec3 normal = _hitRecord.normal();
         glm::vec3 up = glm::vec3(0.0f, 1.0f, 0.0f);
         glm::vec3 axis = glm::cross(up, normal);
         float angle = glm::acos(glm::dot(up, normal));
-        _operatingObject->rotate(axis, angle);
+        _operatingObject->setRotation(axis, angle);
 
         // Move the model to the hit point
         glm::vec3 hitPoint = _hitRecord.position();
-        _operatingObject->move(hitPoint);
+        glm::vec3 newCenter = hitPoint + normal * (modelCenter.y - bottomCenter.y);
+        
+        // Move the model to the new center
+        _operatingObject->setPosition(newCenter);
 
-        // Update boundary
+        // Update the boundary
         _operatingObject->updateBoundary();
     }
     else {
         // Move the object to the hit point
-        _operatingObject->setPosition(_hitRecord.position());
+        Logger::debug("Hit point: " + std::to_string(_hitRecord.position().x) + ", " + std::to_string(_hitRecord.position().y) + ", " + std::to_string(_hitRecord.position().z));
+        Logger::debug("Bottom center: " + std::to_string(_operatingObject->boundary().bottomCenterPoint().x) + ", " + std::to_string(_operatingObject->boundary().bottomCenterPoint().y) + ", " + std::to_string(_operatingObject->boundary().bottomCenterPoint().z));
+        glm::vec3 target = _hitRecord.position();
+        glm::vec3 modelCenter = _operatingObject->modelMatrix() * glm::vec4(glm::vec3(0.0f), 1.0f);   // model center in world space
+        glm::vec3 bottomCenter = _operatingObject->modelMatrix() * glm::vec4(_operatingObject->model()->boundBox().bottomCenterPoint(), 1.0f);   // model center in world space
+        glm::vec3 newCenter = target + modelCenter - bottomCenter;
+        _operatingObject->setPosition(newCenter);
+
+        // Update the boundary
+        _operatingObject->updateBoundary();
     }
 }
 
@@ -559,7 +572,12 @@ void SceneViewer::deleteObject() {
 void SceneViewer::updateSetting(QPair<QString, QString> setting) {
     makeCurrent();
     if (setting.first == "stickSurface") {
-        _stickToSurface = true;
+        if (setting.second == "true") {
+            _stickToSurface = true;
+        }
+        else {
+            _stickToSurface = false;
+        }
     }
     else if (setting.first == "skybox") {
         if (_sky != nullptr) {