void COrbitController::Orbit()
{
CCamera* cam = camera;
cam->pos = cen + GetOrbitPos();
cam->pos.y = std::max(cam->pos.y, ground->GetHeight2(cam->pos.x, cam->pos.z));
cam->forward = (cen - cam->pos).ANormalize();
cam->up = YVEC;
}
void OrbitCamera::MouseMoved(int x, int y, int dx, int dy) {
if (!active) {
return;
}
switch (inputHandler->GetLastMouseButton()) {
case SDL_BUTTON_LEFT: {
// we want translation wrt. coors of last press
dx = (inputHandler->GetLastMouseCoors()).x - x;
dy = (inputHandler->GetLastMouseCoors()).y - y;
// orbit change does not affect distance
rotation = cRotation - (dx * 0.25f);
elevation = cElevation - (dy * 0.25f);
} break;
case SDL_BUTTON_RIGHT: {
dx = (inputHandler->GetLastMouseCoors()).x - x;
dy = (inputHandler->GetLastMouseCoors()).y - y;
// distance change does not affect orbit
distance = cDistance - (dy * 0.5f * 10.0f);
} break;
}
if (elevation > 89.0f) elevation = 89.0f;
if (elevation < -89.0f) elevation = -89.0f;
if (distance < 1.0f) distance = 1.0f;
switch (inputHandler->GetLastMouseButton()) {
case SDL_BUTTON_LEFT: {
pos = cen + GetOrbitPos();
vrp = pos + ((cen - pos).inorm3D());
ydir = YVECf;
// keep rotations level in xz-plane
mat.SetPos(pos);
mat.SetYDir(ydir);
} break;
case SDL_BUTTON_RIGHT: {
pos = cen - (zdir * distance);
vrp = pos + zdir;
mat.SetPos(pos);
} break;
case SDL_BUTTON_MIDDLE: {
const int xsign = (dx > 0)? 1: 1;
const int ysign = (dy > 0)? -1: -1;
// const float rdx = abs(dx) / hFOVdeg;
// const float rdy = abs(dy) / vFOVdeg;
HStrafe(xsign, dx * 2);
VStrafe(ysign, dy * 2);
} break;
}
}
