void SubdividerState::mouseMoved(double x, double y) {
if (paused) {
return;
}
nsgl::Vec2f mouseCurr(x, y), dv;
dv = mouseCurr - mousePrev;
if (dv.norm() > 50.0f)
dv = nsgl::Vec2f(0, 0);
mousePrev = mouseCurr;
camera.mouseMoved(dv.x(), dv.y());
}
void Camera::mouseMoved(int x, int y)
{
Eigen::Vector2f mouseCurr(x, y);
Eigen::Vector2f dv = mouseCurr - mousePrev;
switch(state) {
case Camera::ROTATE:
rotations += rfactor * dv;
break;
case Camera::TRANSLATE:
translations(0) += tfactor * dv(0);
translations(1) -= tfactor * dv(1);
break;
case Camera::SCALE:
translations(2) *= (1.0f - sfactor * dv(1));
break;
}
mousePrev = mouseCurr;
}
void Camera::mouseMoved(int x, int y)
{
glm::vec2 mouseCurr(x, y);
glm::vec2 dv = mouseCurr - mousePrev;
switch(state) {
case Camera::ROTATE:
rotations += rfactor * dv;
break;
case Camera::TRANSLATE:
translations.x += tfactor * dv.x;
translations.y -= tfactor * dv.y;
break;
case Camera::SCALE:
translations.z *= (1.0f + sfactor * dv.y);
break;
}
mousePrev.x = x;
mousePrev.y = y;
}