Method drawDebug

src/geometry/TextSceneNode.cpp:723–751

void TextSceneNode::TextRenderNode::drawDebug() {
  myColor4fv(*colorPtr);

  fvec3 points[5];
  sceneNode->getPoints(points);

  glPointSize(3.0f);
  glLineWidth(3.0f);

  glBegin(GL_LINE_LOOP);
  for (int i = 0; i < 4; i++) {
    glVertex3fv(points[i]);
  }
  glEnd();

  const double period = 0.5;
  const double now = BzTime::getCurrent().getSeconds();
  const float phase = (float)(fmod(now, period) / period);
  const float alpha = 2.0f * fabsf(0.5f - phase);
  fvec4 color = 1.0f - *colorPtr;
  color.a = alpha;
  glColor4fv(color);
  glBegin(GL_POINTS);
  glVertex3fv(points[4]);
  glEnd();

  glLineWidth(1.0f);
  glPointSize(1.0f);
}


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