void DrawStatusLabel(nite::UserTracker* pUserTracker, const nite::UserData& user)
{
int color = user.getId() % colorCount;
glColor3f(1.0f - Colors[color][0], 1.0f - Colors[color][1], 1.0f - Colors[color][2]);
float x,y;
pUserTracker->convertJointCoordinatesToDepth(user.getCenterOfMass().x, user.getCenterOfMass().y, user.getCenterOfMass().z, &x, &y);
x *= GL_WIN_SIZE_X/(float)g_nXRes;
y *= GL_WIN_SIZE_Y/(float)g_nYRes;
char *msg = g_userStatusLabels[user.getId()];
glRasterPos2i(x-((strlen(msg)/2)*8),y);
glPrintString(GLUT_BITMAP_HELVETICA_18, msg);
}
void DrawCenterOfMass(nite::UserTracker* pUserTracker, const nite::UserData& user)
{
glColor3f(1.0f, 1.0f, 1.0f);
float coordinates[3] = {0};
pUserTracker->convertJointCoordinatesToDepth(user.getCenterOfMass().x, user.getCenterOfMass().y, user.getCenterOfMass().z, &coordinates[0], &coordinates[1]);
coordinates[0] *= GL_WIN_SIZE_X/(float)g_nXRes;
coordinates[1] *= GL_WIN_SIZE_Y/(float)g_nYRes;
glPointSize(8);
glVertexPointer(3, GL_FLOAT, 0, coordinates);
glDrawArrays(GL_POINTS, 0, 1);
}