void GLWidget::Update(/*DWORD milliseconds*/) // Perform Motion Updates Here
{
/* if (isRClicked) // If Right Mouse Clicked, Reset All Rotations
{
Matrix3fSetIdentity(&LastRot); // Reset Rotation
Matrix3fSetIdentity(&ThisRot); // Reset Rotation
Matrix4fSetRotationFromMatrix3f(&Transform, &ThisRot); // Reset Rotation
}
*/
if (!mouseIsDragging) // Not Dragging
{
if (mouseIsPressed) // First Click
{
this->mouseIsDragging = true; // Prepare For Dragging
LastRot = ThisRot; // Set Last Static Rotation To Last Dynamic One
ObjectRotation.click(&MousePt); // Update Start Vector And Prepare For Dragging
}
}
else
{
if (mouseIsPressed) // Still Clicked, So Still Dragging
{
Quat4fT ThisQuat;
ObjectRotation.drag(&MousePt, &ThisQuat); // Update End Vector And Get Rotation As Quaternion
Matrix3fSetRotationFromQuat4f(&ThisRot, &ThisQuat); // Convert Quaternion Into Matrix3fT
Matrix3fMulMatrix3f(&ThisRot, &LastRot); // Accumulate Last Rotation Into This One
Matrix4fSetRotationFromMatrix3f(&Transform, &ThisRot); // Set Our Final Transform's Rotation From This One
}
else // No Longer Dragging
mouseIsDragging = false;
}
}
int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing
{
if (isRClicked) // If Right Mouse Clicked, Reset All Rotations
{
Matrix3fSetIdentity(&LastRot); // Reset Rotation
Matrix3fSetIdentity(&ThisRot); // Reset Rotation
Matrix4fSetRotationFromMatrix3f(&Transform, &ThisRot); // Reset Rotation
}
if (!isDragging) // Not Dragging
{
if (isClicked) // First Click
{
isDragging = true; // Prepare For Dragging
LastRot = ThisRot; // Set Last Static Rotation To Last Dynamic One
ArcBall.click(&MousePt); // Update Start Vector And Prepare For Dragging
}
}
else
{
if (isClicked) // Still Clicked, So Still Dragging
{
Quat4fT ThisQuat;
ArcBall.drag(&MousePt, &ThisQuat); // Update End Vector And Get Rotation As Quaternion
Matrix3fSetRotationFromQuat4f(&ThisRot, &ThisQuat); // Convert Quaternion Into Matrix3fT
Matrix3fMulMatrix3f(&ThisRot, &LastRot); // Accumulate Last Rotation Into This One
Matrix4fSetRotationFromMatrix3f(&Transform, &ThisRot); // Set Our Final Transform's Rotation From This One
}
else // No Longer Dragging
isDragging = false;
}
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear Screen And Depth Buffer
glTranslatef(0, 0, -1.0f);
glPushMatrix(); // NEW: Prepare Dynamic Transform
glMultMatrixf(Transform.M);
glCallList(dl);
glPopMatrix();
glLoadIdentity(); // Reset The Current Modelview Matrix
return TRUE; // Everything Went OK
}
void GLWidget::mouseMoveEvent(QMouseEvent *event)
{
MousePt.s.X = event->x();
MousePt.s.Y = event->y();
Quat4fT ThisQuat;
arc_ball->drag(&MousePt, &ThisQuat);
Matrix3fSetRotationFromQuat4f(&ThisRot, &ThisQuat);
Matrix3fMulMatrix3f(&ThisRot, &LastRot);
Matrix4fSetRotationFromMatrix3f(&Transform, &ThisRot);
updateGL();
}
float* ArcBall_update(int x,int y,int down) {
Quat4fT q;
MousePt.s.X = x;
MousePt.s.Y = y;
if (!down) {
isDragging = 0;
}
else if(!isDragging) {
isDragging = 1;
LastRot = ThisRot;
ArcBall_click(&MousePt);
}
else {
ArcBall_drag(&MousePt,&q);
Matrix3fSetRotationFromQuat4f(&ThisRot, &q);
Matrix3fMulMatrix3f(&ThisRot, &LastRot);
Matrix4fSetRotationFromMatrix3f(&Transform, &ThisRot);
}
return (float*)&Transform;
}
afx_msg void CLineComputeView::OnMouseMove(UINT nFlags, CPoint point)
{
if (isDragging)
{
if((nFlags & MK_RBUTTON) == MK_RBUTTON)//右键旋转
{
Quat4fT ThisQuat;
Point2fT MousePt;
MousePt.s.X = point.x;
MousePt.s.Y = point.y;
arcBall->drag(&MousePt, &ThisQuat);
Matrix3fSetRotationFromQuat4f(&ThisRot, &ThisQuat);
Matrix3fMulMatrix3f(&ThisRot, &LastRot);
Matrix4fSetRotationFromMatrix3f(&Transform, &ThisRot);
}
else if((nFlags & MK_LBUTTON) == MK_LBUTTON)//左键移动
{
nextPoint.SetPoint(point.x, point.y);
if((prePoint.x != -1) && (prePoint.y != -1) && (nextPoint.x != -1) && (nextPoint.y != -1))
{
float deltaX = -(nextPoint.x-prePoint.x)/500.0f;
float deltaY = (nextPoint.y-prePoint.y)/500.0f;
zoomLeft += deltaX;
zoomRight += deltaX;
zoomTop += deltaY;
zoomBottom += deltaY;
glViewport(0, 0, screenWidth, screenHeight);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(zoomLeft, zoomRight, zoomBottom, zoomTop, zNear, zFar);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
prePoint.SetPoint(nextPoint.x, nextPoint.y);
}
RenderScene();
}
return ;
}
WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
//go and get the contents
ImportREFile();
//start the windows loop
MSG msg; // Windows message structure
bool done = false; // bool variable to exit loop
fullscreen = false; // Windowed mode
// Create our OpenGL window
if (!CreateGLWindow("Roadworks Estimator OpenGL Renderer",1024,768,16,fullscreen))
{
return 0; // Quit if window was not created
}
while(!done) // Loop that runs while done = false
{
if (PeekMessage(&msg,NULL,0,0,PM_REMOVE)) // Is there a message waiting?
{
if (msg.message == WM_QUIT) // Have we received a quit message?
{
done = true; // If so done = true
}
else // If not, deal with window messages
{
TranslateMessage(&msg); // Translate the message
DispatchMessage(&msg); // Dispatch the message
}
}
else // If there are no messages
{
// Draw the scene. Watch for ESC key and quit messages from DrawGLScene()
if (active) // Program active?
{
if (keys['W'] )
{
translatez+=0.01f;
}
if (keys['S'] )
{
translatez-=0.01f;
}
if (keys['A'] )
{
rotatey+=0.01f;
}
if (keys['D'] )
{
rotatey-=0.01f;
}
if (keys[VK_UP] )
{
rotatex+=0.025f;
}
if (keys[VK_DOWN] )
{
rotatex-=0.025f;
}
if (keys[VK_LEFT] )
{
rotatez+=0.1f;
}
if (keys[VK_RIGHT] )
{
rotatez-=0.1f;
}
if (keys[VK_F1] )
{
wireframemode=!wireframemode;
if(wireframemode)
{
WireframeMode();
Sleep(100);
}
else
{
TextureMode();
Sleep(100);
}
}
if (keys[VK_ESCAPE]) // Was ESC pressed?
{
done = true; // ESC signalled a quit
}
// Not time to quit, Update screen
if (isRClicked) // If Right Mouse Clicked, Reset All Rotations
{
Matrix3fSetIdentity(&LastRot); // Reset Rotation
Matrix3fSetIdentity(&ThisRot); // Reset Rotation
Matrix4fSetRotationFromMatrix3f(&Transform, &ThisRot); // Reset Rotation
}
if (!isDragging) // Not Dragging
{
if (isClicked) // First Click
{
isDragging = true; // Prepare For Dragging
LastRot = ThisRot; // Set Last Static Rotation To Last Dynamic One
ArcBall.click(&MousePt); // Update Start Vector And Prepare For Dragging
}
}
if (isClicked) // Still Clicked, So Still Dragging
{
Quat4fT ThisQuat;
ArcBall.drag(&MousePt, &ThisQuat); // Update End Vector And Get Rotation As Quaternion
Matrix3fSetRotationFromQuat4f(&ThisRot, &ThisQuat); // Convert Quaternion Into Matrix3fT
Matrix3fMulMatrix3f(&ThisRot, &LastRot); // Accumulate Last Rotation Into This One
Matrix4fSetRotationFromMatrix3f(&Transform, &ThisRot); // Set Our Final Transform's Rotation From This One
}
else // No Longer Dragging
isDragging = false;
DrawGLScene(); // Draw the scene
SwapBuffers(hDC); // Swap buffers (Double buffering)
}
}
}
// Shutdown
KillGLWindow(); // Kill the window
return (msg.wParam); // Exit the program
}
int ModelViewController::handle(int event)
{
Vector2f Clickpoint; // NEW: Current Mouse Point
static float Click_y;
static float old_zoom;
Clickpoint.x = (GLfloat)Fl::event_x();;
Clickpoint.y = (GLfloat)Fl::event_y();;
switch(event) {
case FL_PUSH: //mouse down event position in Fl::event_x() and Fl::event_y()
{
switch(Fl::event_button()) {
case FL_LEFT_MOUSE:
MousePt.T[0] = (GLfloat)Clickpoint.x;
MousePt.T[1] = (GLfloat)Clickpoint.y;
ArcBall->click(&MousePt); // Update Start Vector And Prepare For Dragging
break;
case FL_MIDDLE_MOUSE:
downPoint = Clickpoint;
/*
Matrix3fSetIdentity(&LastRot); // Reset Rotation
Matrix3fSetIdentity(&ThisRot); // Reset Rotation
Matrix4fSetRotationFromMatrix3f(&Transform, &ThisRot); // Reset Rotation
*/
break;
case FL_RIGHT_MOUSE:
Click_y = Clickpoint.y;
old_zoom = zoom;
break;
}
LastRot = ThisRot; // Set Last Static Rotation To Last Dynamic One
redraw();
return 1;
}
case FL_DRAG: //mouse moved while down event ...
switch(Fl::event_button())
{
case FL_LEFT_MOUSE:
Quat4fT ThisQuat;
MousePt.T[0] = Clickpoint.x;
MousePt.T[1] = Clickpoint.y;
ArcBall->drag(&MousePt, &ThisQuat); // Update End Vector And Get Rotation As Quaternion
Matrix3fSetRotationFromQuat4f(&ThisRot, &ThisQuat); // Convert Quaternion Into Matrix3fT
Matrix3fMulMatrix3f(&ThisRot, &LastRot); // Accumulate Last Rotation Into This One
Matrix4fSetRotationFromMatrix3f(&Transform, &ThisRot); // Set Our Final Transform's Rotation From This One
redraw();
break;
case FL_MIDDLE_MOUSE:
{
Vector2f dragp = Clickpoint;
Vector2f delta = downPoint-dragp;
Matrix4f matrix;
memcpy(&matrix.m00, &Transform.M[0], sizeof(Matrix4f));
Vector3f X(delta.x,0,0);
X = matrix * X;
Vector3f Y(0,-delta.y,0);
Y = matrix * Y;
ProcessControl.Center += X*delta.length()*0.01f;
ProcessControl.Center += Y*delta.length()*0.01f;
redraw();
downPoint=Clickpoint;
}
break;
case FL_RIGHT_MOUSE:
float y = Click_y - Clickpoint.y;
zoom = old_zoom + y*0.1;
redraw();
break;
}
return 1;
case FL_RELEASE: //mouse up event ...
MousePt.T[0] = (GLfloat)Fl::event_x();
MousePt.T[1] = (GLfloat)Fl::event_y();
redraw();
return 1;
case FL_MOUSEWHEEL: { //mouse scroll event
int mwscrolled = Fl::event_dy();
zoom += mwscrolled*1;
redraw();
return 1;
}
case FL_FOCUS :
case FL_UNFOCUS : // Return 1 if you want keyboard events, 0 otherwise
return 0;
case FL_KEYBOARD: //keypress, key is in Fl::event_key(), ascii in Fl::event_text() .. Return 1 if you understand/use the keyboard event, 0 otherwise...
return 1;
case FL_SHORTCUT: // shortcut, key is in Fl::event_key(), ascii in Fl::event_text() ... Return 1 if you understand/use the shortcut event, 0 otherwise...
return 1;
case FL_CLOSE:
if (fl_choice("Save settings ?", "Exit", "Save then exit", NULL))
{
// int a=0;
// ProcessControl.SaveXML();
}
break;
default:
break;
}
// pass other events to the base class...
return Fl_Gl_Window::handle(event);
}
void Update (long milliseconds) { // Perform Motion Updates Here
if(isClicked) {
if(newClick) {
if(!state) {
mySelect(MousePt.s.X, MousePt.s.Y,(int)wwidth, (int)wheight);
if(recycleClicked) {
recycleState=true;
recyclingMode=recyclingMode?false:true;
newClick = false;
} else if(recyclingMode) {
// mySelect(MousePt.s.X, MousePt.s.Y,(int)wwidth, (int)wheight);
newClick = false;
}
else if(newClick && gotNewPosition) {
bridge->click3(mpx,mpy,((float)thickness)/100.0f);
newClick = false;
}
} else {
Matrix3fSetIdentity(&LastRot); // Reset Rotation
Matrix3fSetIdentity(&ThisRot); // Reset Rotation
Matrix4fSetRotationFromMatrix3f(&Transform, &ThisRot); // Reset Rotation
ArcBall.clickL(&MousePt);
newClick = false;
// mySelect(MousePt.s.X, MousePt.s.Y, (int)wwidth, (int)wheight);
state = 0;
// printf("was here asdf\n");
for(int i=bridge->nnodes; i--;) {
bridge->nodes[i].reset();
}
}
}
} else {
newClick = true;
gotNewPosition = false;
recycleClicked = false;
recycleState = false;
}
if(bridge->tfrom) {
mySelect(MousePt.s.X, MousePt.s.Y, (int) wwidth, (int)wheight);
if((bridge->tfrom->p.x != (mpx-24.0f) || bridge->tfrom->p.y != (mpy-13.0f))) {
if(5>(sqrt(pow(bridge->tfrom->p.x-(mpx-24.0f),2)+pow(bridge->tfrom->p.y-(mpy-13.0f),2)))) { // restricting to nodes which aren't itself ( edgelenth=0 ) and limiting the maximal size of edges
if(bridge->tto == 0) // tto = temporary to
bridge->tto = new Node();
bridge->tto->set((float)mpx-24.0f, (float)mpy-13.0f);
if(bridge->tEdge == 0) {
bridge->tEdge = new Edge(); // tEdge = temporary Edge
bridge->tEdge->set(((float)thickness)/100.0f,bridge->tfrom,bridge->tto);
}
} else {
if(bridge->tto == 0) // tto = temporary to
bridge->tto = new Node();
// std::cout<<"tfrom x="<<bridge->tfrom->p.x<<" tfrom y="<<bridge->tfrom->p.y<<" mpx-24.0f="<<(float)mpx-24.0f<<" mpy-13.0f="<<mpy-13.0f<<std::endl;
float vlength = 5/sqrt(pow(((float)mpx-24.0f)-bridge->tfrom->p.x,2.0)+pow(((float)mpy-13.0f)-bridge->tfrom->p.y,2.0));
bridge->tto->set(bridge->tfrom->p.x+round((((float)mpx-24.0f)-bridge->tfrom->p.x)*vlength), bridge->tfrom->p.y+round((((float)mpy-13.0f)-bridge->tfrom->p.y)*vlength));
if(bridge->tEdge == 0) {
bridge->tEdge = new Edge(); // tEdge = temporary Edge
bridge->tEdge->set(((float)thickness)/100.0f,bridge->tfrom,bridge->tto);
}
}
}
// else
// std::cout<<"\n was here"<<std::endl;
}
if (!isDragging) { // Not Dragging
if (isRClicked) { // First Click
recyclingMode = false;
bridge->stopClicking();
state=1;
isDragging = true; // Prepare For Dragging
LastRot = ThisRot; // Set Last Static Rotation To Last Dynamic One
ArcBall.click(&MousePt); // Update Start Vector And Prepare For Dragging
}
}
else {
if (isRClicked) { // Still Clicked, So Still Dragging
Quat4fT ThisQuat;
ArcBall.drag(&MousePt, &ThisQuat); // Update End Vector And Get Rotation As Quaternion
Matrix3fSetRotationFromQuat4f(&ThisRot, &ThisQuat); // Convert Quaternion Into Matrix3fT
Matrix3fMulMatrix3f(&ThisRot, &LastRot); // Accumulate Last Rotation Into This One
Matrix4fSetRotationFromMatrix3f(&Transform, &ThisRot); // Set Our Final Transform's Rotation From This One
}
else // No Longer Dragging
isDragging = false;
}
}
