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openscad
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translate old style viewport mouse drag into Eigen math (see T. Hunter bug rpt)

stl_dim
Don Bright 2011-12-18 15:55:12 -06:00
parent 541db676ee
commit c2d94835b0
1 changed files with 33 additions and 3 deletions
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36
src/glview.cc
View File

@ -58,6 +58,8 @@
#define FAR_FAR_AWAY 100000.0
#include <Eigen/Geometry>
GLView::GLView(QWidget *parent) : QGLWidget(parent), renderer(NULL)
{
init();
@ -558,7 +560,6 @@ void GLView::mousePressEvent(QMouseEvent *event)
setFocus();
}
void GLView::normalizeAngle(GLdouble& angle)
{
while(angle < 0)
@ -595,8 +596,37 @@ void GLView::mouseMoveEvent(QMouseEvent *event)
if ((QApplication::keyboardModifiers() & Qt::ShiftModifier) != 0) {
viewer_distance += (GLdouble)dy;
} else {
object_trans_x += dx * viewer_distance/1000;
object_trans_z -= dy * viewer_distance/1000;
double mx = +(dx) * viewer_distance/1000;
double my = -(dy) * viewer_distance/1000;
Eigen::Matrix3d aax, aay, aaz, tm3;
aax = Eigen::AngleAxisd(-(object_rot_x/180) * M_PI,Eigen::Vector3d::UnitX());
aay = Eigen::AngleAxisd(-(object_rot_y/180) * M_PI,Eigen::Vector3d::UnitY());
aaz = Eigen::AngleAxisd(-(object_rot_z/180) * M_PI,Eigen::Vector3d::UnitZ());
tm3 = Eigen::Matrix3d::Identity();
tm3 = aaz * (aay * (aax * tm3));
Eigen::Matrix4d tm;
tm = Eigen::Matrix4d::Identity();
for (int i=0;i<3;i++) for (int j=0;j<3;j++) tm(j,i)=tm3(j,i);
Eigen::Matrix4d vec;
vec <<
0, 0, 0, mx,
0, 0, 0, 0,
0, 0, 0, my,
0, 0, 0, 1
;
if ((QApplication::keyboardModifiers() & Qt::ShiftModifier) != 0) {
vec(0,3) = 0;
vec(1,3) = my;
vec(2,3) = 0;
}
tm = tm * vec;
object_trans_x += tm(0,3);
object_trans_y += tm(1,3);
object_trans_z += tm(2,3);
}
}
updateGL();