/// <summary>
/// The view matrix from the camera can not be used for the projection
/// because it is possible to be in a invalid direction where the
/// projection math does not work.
/// Instead create a new view matrix that re-aims the view to a
/// direction that is always valid. I found a simple view looking down
/// and a bit forward works best.
/// </summary>
void AimProjector(Camera cam)
{
//Copy camera projection into projector projection
CopyMatrix(m_projectorP, cam.projectionMatrix);
CopyVector3(m_pos, cam.transform.position);
CopyVector3(m_dir, cam.transform.forward);
//CopyMatrix(m_projectorV, cam.worldToCameraMatrix);
//return;
double level = m_ocean.level;
double range = Math.Max(1.0, m_ocean.FindMaxDisplacement(true));
//double range = Ocean.MAX_WAVE_HEIGHT;
double maxHeight = Math.Max(0.0, range + 10.0);
//The projection must stay above the ocean level.
if (m_pos[1] < level)
{
m_pos[1] = level;
}
//Set the projection a bit above the camera
//and above the max wave height.
m_pos[1] += maxHeight;
//Look a bit in front of view.
m_lookAt[0] = m_pos[0] + m_dir[0] * 50.0;
m_lookAt[1] = m_ocean.level;
m_lookAt[2] = m_pos[2] + m_dir[2] * 50.0;
LookAt(m_pos, m_lookAt, m_up);
}
/// <summary>
/// The view matrix from the camera can not be used for the projection
/// because it is possible to be in a invalid direction where the
/// projection math does not work.
/// Instead create a new view matrix that re-aims the view to a
/// direction that is always valid. I found a simple view looking down
/// and a bit forward works best.
/// </summary>
void AimProjector(Camera cam)
{
//Copy camera projection into projector projection
m_projectorP = cam.projectionMatrix;
Vector3 pos = cam.transform.position;
Vector3 dir = cam.transform.forward;
Vector3 lookAt = new Vector3();
float level = m_ocean.level;
float range = Mathf.Max(1.0f, m_ocean.FindMaxDisplacement(true));
//float range = Ocean.MAX_WAVE_HEIGHT;
float maxHeight = Mathf.Max(0.0f, range + 10.0f);
//The projection must stay above the ocean level.
if (pos.y < level)
{
pos.y = level;
}
//Set the projection a bit above the camera
//and above the max wave height.
pos.y += maxHeight;
//Look a bit in front of view.
lookAt = pos + dir * 50.0f;
lookAt.y = m_ocean.level;
LookAt(pos, lookAt, Vector3.up);
}
/// <summary>
/// The view matrix from the camera can not be used for the projection
/// because it is possible to be in a invalid direction where the
/// projection math does not work.
/// Instead create a new view matrix that re-aims the view to a
/// direction that is always valid. I found a simple view looking down
/// and a bit forward works best.
/// </summary>
void AimProjector(Camera cam)
{
//Copy camera projection into projector projection
CopyMatrix(m_projectorP, cam.projectionMatrix);
CopyVector3(m_pos, cam.transform.position);
CopyVector3(m_dir, cam.transform.forward);
//CopyMatrix(m_projectorV, cam.worldToCameraMatrix);
//return;
double level = m_ocean.level;
double fit = (TightFit) ? 20.0 : 50.0;
double range = Math.Max(0.0, m_ocean.FindMaxDisplacement(true)) + fit;
if (Ocean.DISABLE_PROJECTION_FLIPPING)
{
//If flipping disabled keep the projection pos above the surface.
//Make sure projection position is above the wave range.
if (m_pos[1] < level)
{
m_pos[1] = level;
}
IsFlipped = false;
m_pos[1] = Math.Max(m_pos[1], level + range);
}
else
{
//If the camera is below the sea level then flip the projection.
//Make sure projection position is above or below the wave range.
if (m_pos[1] < level)
{
IsFlipped = true;
m_pos[1] = Math.Min(m_pos[1], level - range);
}
else
{
IsFlipped = false;
m_pos[1] = Math.Max(m_pos[1], level + range);
}
}
//Look a bit in front of view.
m_lookAt[0] = m_pos[0] + m_dir[0] * 50.0;
m_lookAt[1] = m_ocean.level;
m_lookAt[2] = m_pos[2] + m_dir[2] * 50.0;
LookAt(m_pos, m_lookAt, m_up);
}
/// <summary>
/// The view matrix from the camera can not be used for the projection
/// because it is possible to be in a invalid direction where the
/// projection math does not work.
/// Instead create a new view matrix that re-aims the view to a
/// direction that is always valid. I found a simple view looking down
/// and a bit forward works best.
/// </summary>
void AimProjector(Camera cam)
{
//Copy camera projection into projector projection
m_projectorP = cam.projectionMatrix;
Vector3 pos = cam.transform.position;
Vector3 dir = cam.transform.forward;
Vector3 lookAt = new Vector3();
float level = m_ocean.level;
float fit = (TightFit) ? 20.0f : 50.0f;
float range = Math.Max(0.0f, m_ocean.FindMaxDisplacement(true)) + fit;
if (Ocean.DISABLE_PROJECTION_FLIPPING)
{
//If flipping disabled keep the projection pos above the surface.
//Make sure projection position is above the wave range.
if (pos.y < level)
{
pos.y = level;
}
IsFlipped = false;
pos.y = Math.Max(pos.y, level + range);
}
else
{
//If the camera is below the sea level then flip the projection.
//Make sure projection position is above or below the wave range.
if (pos.y < level)
{
IsFlipped = true;
pos.y = Math.Min(pos.y, level - range);
}
else
{
IsFlipped = false;
pos.y = Math.Max(pos.y, level + range);
}
}
//Look a bit in front of view.
lookAt = pos + dir * 50.0f;
lookAt.y = m_ocean.level;
LookAt(pos, lookAt, Vector3.up);
}
