void TerrainEntity::changed(const Eris::StringSet &s) {
Eris::StringSet::const_iterator I = s.begin();
Eris::StringSet::const_iterator Iend = s.end();
while (I != Iend) {
if (*I == "terrain") updateTerrain();
++I;
}
}
//--------------------------------------------------------------------
// animate the view
BOOL Landscape::appViewAnimate(
double now, // current time (ms)
double since) // milliseconds since last pass
{
// construct eye matrix
m_eyeMatrix.loadIdentity();
if (m_mapView)
{
m_eyeMatrix.rotateZDeg(m_eyeRotZ);
m_eyeMatrix.rotateYDeg(m_eyeRotY);
}
else
{
m_eyeMatrix.rotateZDeg(m_eyeRotZ);
m_eyeMatrix.rotateYDeg(m_eyeRotY);
m_eyeMatrix.rotateXDeg(m_eyeRotX);
}
// update position
BOOL changed = updateMovement(now, since);
// update vertical position of eye based on landscape
if (changed)
{
double ht = Terrain::heightAtPt(m_eyePt.x, m_eyePt.z);
ht = max(ht, WATER_LEVEL);
m_eyePt.y = max(m_eyePt.y, ht + MIN_HEIGHT);
}
// mark changed if mouse moved
changed |= m_eyeChanged;
m_eyeChanged = false;
// animate the sky
changed |= m_sky->animate(now, since);
// update the terrain after movement
changed |= updateTerrain();
if (m_ui != NULL)
changed |= m_ui->animate(now, since);
return changed;
}
