void mouse(double x, double y){
if(rotating){
vec3 beg = screenToSphere(start.x, start.y);
vec3 end = screenToSphere(x,HEIGHT-y);
glm::vec3 axis = glm::normalize(glm::cross(beg,end));
float phi = glm::distance(beg, end)/4;
glm::vec3 newAxis = glm::normalize(glm::mat3(glm::inverse(glm::toMat4(trans.r))*glm::inverse(camera.getView()))*axis);
trans.r = glm::rotate(trans.r, glm::degrees(phi)*0.3f, newAxis);
start = gd->getMousePos();
}
if(translating){
glm::vec2 delta = gd->getMousePos() - panStart;
delta.x /= WIDTH; delta.y /= HEIGHT;
glm::vec3 newDelta = glm::mat3(glm::inverse(glm::toMat4(trans.r))*glm::inverse(camera.getView()))*glm::vec3(delta.x,delta.y,0.0);
trans.t = trans.t + newDelta*3.0f;
panStart = gd->getMousePos();
}
camera.apply(trans);
}
void mouseScroll(double x, double y){
if(y < 0.0)
trans.s *= 0.95;
else trans.s *= 1.05;
camera.apply(trans);
}
