void RGLView::trackballUpdate(int mouseX, int mouseY)
{
Viewpoint* viewpoint = scene->getViewpoint();
rotCurrent = screenToVector(width,height,mouseX,height-mouseY);
windowImpl->beginGL();
viewpoint->updateMouseMatrix(rotBase,rotCurrent);
windowImpl->endGL();
View::update();
}
void RGLView::oneAxisUpdate(int mouseX, int mouseY)
{
Viewpoint* viewpoint = scene->getViewpoint();
rotCurrent = screenToVector(width,height,mouseX,height/2);
windowImpl->beginGL();
viewpoint->mouseOneAxis(rotBase,rotCurrent,axis[drag-1]);
windowImpl->endGL();
View::update();
}
void CObjectView::OnMouseMove(UINT nFlags, CPoint point)
{
if (GetCapture() == this && (nFlags & MK_LBUTTON)){
if (mode == PAN){
Point2D pL, pC;
screenToFrustum(&pL, lastPt);
screenToFrustum(&pC, point);
// update translate
tr[0] += (pC.x - pL.x)*1000.0/scale;
tr[1] += (pC.y - pL.y)*1000.0/scale;
}
else if (mode == ROTATE || mode == LIGHT){
Vector3D vL, vC;
screenToVector(&vL, lastPt);
screenToVector(&vC, point);
// calculate angle prop to length mouse movement
float dX = vC.x - vL.x;
float dY = vC.y - vL.y;
float dZ = vC.z - vL.z;
float ang = 90.0 * sqrt(dX*dX + dY*dY + dZ*dZ);
// vector is just cross product
Vector3D v;
v.cross(vL, vC);
v.norm();
if (mode == ROTATE)
applyRotation(m, ang, v);
else
applyRotation(mL, ang, v);
}
lastPt = point;
RedrawWindow();
}
CView ::OnMouseMove(nFlags, point);
}
void RGLView::oneAxisBegin(int mouseX, int mouseY)
{
rotBase = screenToVector(width,height,mouseX,height/2);
}
void RGLView::trackballBegin(int mouseX, int mouseY)
{
rotBase = screenToVector(width,height,mouseX,height-mouseY);
}
