void motionfunc(int x, int y)
{
if (!bound && !menu)
{
int deltax = x - mousex;
int deltay = mousey - y;
mousex = x;
mousey = y;
vec3f direction;
vec3f position;
if (scene.active_camera_valid())
{
if (scene.cameras[scene.active_camera]->type == "ortho")
{
position = canvas.unproject(canvas.to_window(vec2i(x, y)));
direction = ror3(vec3f(0.0f, 0.0f, 1.0f), scene.cameras[scene.active_camera]->orientation);
}
else
{
position = scene.cameras[scene.active_camera]->position;
direction = norm(canvas.unproject(canvas.to_window(vec2i(x, y))));
}
}
if (scene.active_object_valid() && scene.active_camera_valid())
{
if (manipulator == manipulate::translate)
{
float d = mag(scene.objects[scene.active_object]->position - position);
scene.objects[scene.active_object]->position = d*direction + position;
}
else if (manipulator == manipulate::rotate)
scene.objects[scene.active_object]->orientation += vec3f(-(float)deltay/100.0, (float)deltax/100.0, 0.0);
else if (manipulator == manipulate::scale)
scene.objects[scene.active_object]->scale += (float)deltay/100.0;
for (int i = 0; i < scene.cameras.size(); i++)
if (scene.cameras[i]->model == scene.objects[scene.active_object])
{
scene.cameras[i]->position = scene.objects[scene.active_object]->position;
scene.cameras[i]->orientation = scene.objects[scene.active_object]->orientation;
}
}
if (scene.active_camera_valid())
{
if (manipulator == manipulate::fovy && scene.cameras[scene.active_camera]->type == "perspective")
((perspectivehdl*)scene.cameras[scene.active_camera])->fovy += (float)deltay/100.0;
else if (manipulator == manipulate::aspect && scene.cameras[scene.active_camera]->type == "perspective")
((perspectivehdl*)scene.cameras[scene.active_camera])->aspect += (float)deltay/100.0;
else if (manipulator == manipulate::width && scene.cameras[scene.active_camera]->type == "ortho")
{
((orthohdl*)scene.cameras[scene.active_camera])->right += (float)deltay/200.0;
((orthohdl*)scene.cameras[scene.active_camera])->left -= (float)deltay/200.0;
}
else if (manipulator == manipulate::width && scene.cameras[scene.active_camera]->type == "frustum")
{
((frustumhdl*)scene.cameras[scene.active_camera])->right += (float)deltay/200.0;
((frustumhdl*)scene.cameras[scene.active_camera])->left -= (float)deltay/200.0;
}
else if (manipulator == manipulate::height && scene.cameras[scene.active_camera]->type == "ortho")
{
((orthohdl*)scene.cameras[scene.active_camera])->top += (float)deltay/200.0;
((orthohdl*)scene.cameras[scene.active_camera])->bottom -= (float)deltay/200.0;
}
else if (manipulator == manipulate::height && scene.cameras[scene.active_camera]->type == "frustum")
{
((frustumhdl*)scene.cameras[scene.active_camera])->top += (float)deltay/200.0;
((frustumhdl*)scene.cameras[scene.active_camera])->bottom -= (float)deltay/200.0;
}
else if (manipulator == manipulate::front && scene.cameras[scene.active_camera]->type == "ortho")
((orthohdl*)scene.cameras[scene.active_camera])->front += (float)deltay/100.0;
else if (manipulator == manipulate::front && scene.cameras[scene.active_camera]->type == "frustum")
((frustumhdl*)scene.cameras[scene.active_camera])->front += (float)deltay/100.0;
else if (manipulator == manipulate::front && scene.cameras[scene.active_camera]->type == "perspective")
((perspectivehdl*)scene.cameras[scene.active_camera])->front += (float)deltay/100.0;
else if (manipulator == manipulate::back && scene.cameras[scene.active_camera]->type == "ortho")
((orthohdl*)scene.cameras[scene.active_camera])->back += (float)deltay/100.0;
else if (manipulator == manipulate::back && scene.cameras[scene.active_camera]->type == "frustum")
((frustumhdl*)scene.cameras[scene.active_camera])->back += (float)deltay/100.0;
else if (manipulator == manipulate::back && scene.cameras[scene.active_camera]->type == "perspective")
((perspectivehdl*)scene.cameras[scene.active_camera])->back += (float)deltay/100.0;
if (manipulator == manipulate::fovy ||
manipulator == manipulate::aspect ||
manipulator == manipulate::width ||
manipulator == manipulate::height ||
manipulator == manipulate::front ||
manipulator == manipulate::back)
scene.cameras[scene.active_camera]->project(&canvas);
}
glutPostRedisplay();
}
else if (!bound)
{
menu = false;
pmotionfunc(x, y);
}
}
void motionfunc(int x, int y)
{
if (!bound && !menu)
{
int deltax = x - mousex;
int deltay = mousey - y;
mousex = x;
mousey = y;
vec3f direction;
vec3f position;
if (scene.active_camera_valid())
{
if (scene.cameras[scene.active_camera]->type == "ortho")
{
GLdouble model[16];
GLdouble proj[16];
GLint view[4];
glGetDoublev(GL_MODELVIEW_MATRIX, model);
glGetDoublev(GL_PROJECTION_MATRIX, proj);
glGetIntegerv(GL_VIEWPORT, view);
vec<double, 3> p;
gluUnProject(x, height-y, 0.0, model, proj, view, &p[0], &p[1], &p[2]);
position = p;
direction = ror3(vec3f(0.0f, 0.0f, 1.0f), scene.cameras[scene.active_camera]->orientation);
}
else
{
GLdouble model[16];
GLdouble proj[16];
GLint view[4];
glGetDoublev(GL_MODELVIEW_MATRIX, model);
glGetDoublev(GL_PROJECTION_MATRIX, proj);
glGetIntegerv(GL_VIEWPORT, view);
vec<double, 3> p;
gluUnProject(x, height-y, 0.0, model, proj, view, &p[0], &p[1], &p[2]);
position = scene.cameras[scene.active_camera]->position;
direction = norm(p - position);
}
}
if (scene.active_object_valid() && scene.active_camera_valid())
{
if (manipulator == manipulate::translate)
{
float d = mag(scene.objects[scene.active_object]->position - position);
scene.objects[scene.active_object]->position = d*direction + position;
}
else if (manipulator == manipulate::rotate)
scene.objects[scene.active_object]->orientation += vec3f(-(float)deltay/100.0, (float)deltax/100.0, 0.0);
else if (manipulator == manipulate::scale)
scene.objects[scene.active_object]->scale += (float)deltay/100.0;
else if (manipulator == manipulate::stepsize)
{
scene.objects[scene.active_object]->minstep += (float)deltay/100.0;
if (scene.objects[scene.active_object]->minstep < 0.0)
scene.objects[scene.active_object]->minstep = 0.0;
}
for (int i = 0; i < scene.cameras.size(); i++)
if (scene.cameras[i]->model == scene.objects[scene.active_object])
{
scene.cameras[i]->position = scene.objects[scene.active_object]->position;
scene.cameras[i]->orientation = scene.objects[scene.active_object]->orientation;
}
}
if (scene.active_camera_valid())
{
if (manipulator == manipulate::fovy && scene.cameras[scene.active_camera]->type == "perspective")
((perspectivehdl*)scene.cameras[scene.active_camera])->fovy += (float)deltay/100.0;
else if (manipulator == manipulate::aspect && scene.cameras[scene.active_camera]->type == "perspective")
((perspectivehdl*)scene.cameras[scene.active_camera])->aspect += (float)deltay/100.0;
else if (manipulator == manipulate::width && scene.cameras[scene.active_camera]->type == "ortho")
{
((orthohdl*)scene.cameras[scene.active_camera])->right += (float)deltay/200.0;
((orthohdl*)scene.cameras[scene.active_camera])->left -= (float)deltay/200.0;
}
else if (manipulator == manipulate::width && scene.cameras[scene.active_camera]->type == "frustum")
{
((frustumhdl*)scene.cameras[scene.active_camera])->right += (float)deltay/200.0;
((frustumhdl*)scene.cameras[scene.active_camera])->left -= (float)deltay/200.0;
}
else if (manipulator == manipulate::height && scene.cameras[scene.active_camera]->type == "ortho")
{
((orthohdl*)scene.cameras[scene.active_camera])->top += (float)deltay/200.0;
((orthohdl*)scene.cameras[scene.active_camera])->bottom -= (float)deltay/200.0;
}
else if (manipulator == manipulate::height && scene.cameras[scene.active_camera]->type == "frustum")
{
((frustumhdl*)scene.cameras[scene.active_camera])->top += (float)deltay/200.0;
((frustumhdl*)scene.cameras[scene.active_camera])->bottom -= (float)deltay/200.0;
}
else if (manipulator == manipulate::front && scene.cameras[scene.active_camera]->type == "ortho")
((orthohdl*)scene.cameras[scene.active_camera])->front += (float)deltay/100.0;
else if (manipulator == manipulate::front && scene.cameras[scene.active_camera]->type == "frustum")
((frustumhdl*)scene.cameras[scene.active_camera])->front += (float)deltay/100.0;
else if (manipulator == manipulate::front && scene.cameras[scene.active_camera]->type == "perspective")
((perspectivehdl*)scene.cameras[scene.active_camera])->front += (float)deltay/100.0;
else if (manipulator == manipulate::back && scene.cameras[scene.active_camera]->type == "ortho")
((orthohdl*)scene.cameras[scene.active_camera])->back += (float)deltay/100.0;
else if (manipulator == manipulate::back && scene.cameras[scene.active_camera]->type == "frustum")
((frustumhdl*)scene.cameras[scene.active_camera])->back += (float)deltay/100.0;
else if (manipulator == manipulate::back && scene.cameras[scene.active_camera]->type == "perspective")
((perspectivehdl*)scene.cameras[scene.active_camera])->back += (float)deltay/100.0;
if (manipulator == manipulate::fovy ||
manipulator == manipulate::aspect ||
manipulator == manipulate::width ||
manipulator == manipulate::height ||
manipulator == manipulate::front ||
manipulator == manipulate::back)
scene.cameras[scene.active_camera]->project();
}
glutPostRedisplay();
}
else if (!bound)
{
menu = false;
pmotionfunc(x, y);
}
}
