Vector3 FeedingTube::GetForwardsClippingDir( double _predictionTime, FeedingTube *_sender )
{
if (_sender == NULL) {
return GetDishFront( _predictionTime );
}
Vector3 senderDishFront = _sender->GetDishFront( _predictionTime );
Vector3 dishFront = GetDishFront( _predictionTime );
// Make the two dishFronts point at each other.
Vector3 SR = GetDishPos(_predictionTime) - _sender->GetDishPos(_predictionTime) ;
SR.Normalise();
if (SR * senderDishFront < 0)
senderDishFront *= -1;
if (SR * dishFront > 0)
dishFront *= -1;
Vector3 combinedDirection =
-senderDishFront +
dishFront;
if (combinedDirection.MagSquared() < 0.5)
return -dishFront;
return combinedDirection.Normalise();
}
void Vector3::RotateAround(Vector3 const &_axis)
{
float angle = _axis.MagSquared();
if (angle < 1e-8) return;
angle = sqrtf(angle);
Vector3 norm(_axis / angle);
FastRotateAround(norm, angle);
}
void Nuke::RenderHistory( double _predictionTime )
{
if( m_history.Size() > 0 && m_id.GetTeamId() != 255 )
{
glBindTexture( GL_TEXTURE_2D, g_app->m_resource->GetTexture( "textures/laser.bmp" ) );
Vector3 predictedPos = m_pos + m_vel * SERVER_ADVANCE_PERIOD;
Vector3 lastPos = predictedPos;
RGBAColour colour = g_app->m_location->m_teams[m_id.GetTeamId()]->m_colour;
if( m_id.GetTeamId() == g_app->m_location->GetMonsterTeamId() )
{
glBlendFunc ( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_COLOR );
colour.Set( 255, 255, 255, 0 );
}
for( int i = 0; i < m_history.Size(); ++i )
{
Vector3 historyPos, thisPos;
thisPos = historyPos = *m_history[i];
Vector3 diff = thisPos - lastPos;
lastPos += diff * 0.1f;
if( m_id.GetTeamId() != g_app->m_location->GetMonsterTeamId() )
{
colour.a = 255 - 255 * (float) i / (float) m_history.Size();
}
glColor4ubv( colour.GetData() );
Vector3 lengthVector = (thisPos - lastPos).Normalise();
lengthVector.SetLength((thisPos - lastPos).Mag());
Vector3 fromPos = lastPos;
Vector3 toPos = thisPos;//lastPos - lengthVector;
Vector3 midPoint = fromPos + (toPos - fromPos)/2.0f;
Vector3 camToMidPoint = g_app->m_camera->GetPos() - midPoint;
float camDistSqd = camToMidPoint.MagSquared();
Vector3 rightAngle = (camToMidPoint ^ ( midPoint - toPos )).Normalise();
//rightAngle *= 0.8f;
rightAngle.SetLength(5.0f);
glBegin( GL_QUADS );
glTexCoord2i(0,0); glVertex3dv( (fromPos - rightAngle).GetData() );
glTexCoord2i(0,1); glVertex3dv( (fromPos + rightAngle).GetData() );
glTexCoord2i(1,1); glVertex3dv( (toPos + rightAngle).GetData() );
glTexCoord2i(1,0); glVertex3dv( (toPos - rightAngle).GetData() );
glTexCoord2i(0,0); glVertex3dv( (fromPos - rightAngle).GetData() );
glTexCoord2i(0,1); glVertex3dv( (fromPos + rightAngle).GetData() );
glTexCoord2i(1,1); glVertex3dv( (toPos + rightAngle).GetData() );
glTexCoord2i(1,0); glVertex3dv( (toPos - rightAngle).GetData() );
glTexCoord2i(0,0); glVertex3dv( (fromPos - rightAngle).GetData() );
glTexCoord2i(0,1); glVertex3dv( (fromPos + rightAngle).GetData() );
glTexCoord2i(1,1); glVertex3dv( (toPos + rightAngle).GetData() );
glTexCoord2i(1,0); glVertex3dv( (toPos - rightAngle).GetData() );
glEnd();
lastPos = historyPos;
}
}
}
void Nuke::Render( double _predictionTime )
{
if( m_renderMarker )
{
RenderGroundMarker();
}
RenderSub( _predictionTime );
if( m_exploded )
{
//RenderDeaths();
}
else
{
if( !m_launched ) return;
Vector3 front = m_front;
front.RotateAroundY( M_PI / 2.0f );
Vector3 predictedPos = m_pos + m_vel * _predictionTime;;
Vector3 entityUp = m_front;
Vector3 entityRight (front ^ entityUp);
Vector3 lengthVector = m_vel;
lengthVector.SetLength( 10.0f );
Vector3 fromPos = predictedPos;
Vector3 toPos = predictedPos - lengthVector;
Vector3 midPoint = fromPos + (toPos - fromPos)/2.0f;
Vector3 camToMidPoint = g_app->m_camera->GetPos() - midPoint;
float camDistSqd = camToMidPoint.MagSquared();
Vector3 rightAngle = (camToMidPoint ^ ( midPoint - toPos )).Normalise();
entityRight = rightAngle;
float size = 10.0f;
size *= (1.0f + 0.03f * (( m_id.GetIndex() * m_id.GetUniqueId() ) % 10));
entityRight *= size;
entityUp *= size * 2.0f;
glDepthMask ( false );
glEnable ( GL_BLEND );
glBlendFunc ( GL_SRC_ALPHA, GL_ONE );
glEnable ( GL_TEXTURE_2D );
glBindTexture( GL_TEXTURE_2D, g_app->m_resource->GetTexture( "sprites/nuke.bmp" ) );
RGBAColour colour = g_app->m_location->m_teams[m_id.GetTeamId()]->m_colour;
if( m_id.GetTeamId() == g_app->m_location->GetMonsterTeamId() )
{
glBlendFunc ( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_COLOR );
colour.Set( 255, 255, 255, 0 );
}
glColor4ubv(colour.GetData());
glBegin(GL_QUADS);
glTexCoord2i(0, 1); glVertex3dv( (predictedPos - entityRight + entityUp).GetData() );
glTexCoord2i(1, 1); glVertex3dv( (predictedPos + entityRight + entityUp).GetData() );
glTexCoord2i(1, 0); glVertex3dv( (predictedPos + entityRight).GetData() );
glTexCoord2i(0, 0); glVertex3dv( (predictedPos - entityRight).GetData() );
glEnd();
RenderHistory( _predictionTime );
glShadeModel ( GL_FLAT );
glDisable ( GL_TEXTURE_2D );
glDepthMask ( true );
}
}