Function DrawVertBox

editor/drawworld.cpp:764–776

#define CROSS_HEIGHT 8.0

void DrawVertBox(vector *v, ddgr_color color) {
  // Draw a box at the marked vert
  g3Point p0;
  uint8_t c0 = g3_RotatePoint(&p0, v);
  if (!c0) { // on screen?
    g3_ProjectPoint(&p0);
    rend_SetFlatColor(color);
    rend_DrawLine(p0.p3_sx - CROSS_WIDTH, p0.p3_sy, p0.p3_sx, p0.p3_sy - CROSS_HEIGHT);
    rend_DrawLine(p0.p3_sx, p0.p3_sy - CROSS_HEIGHT, p0.p3_sx + CROSS_WIDTH, p0.p3_sy);
    rend_DrawLine(p0.p3_sx + CROSS_WIDTH, p0.p3_sy, p0.p3_sx, p0.p3_sy + CROSS_HEIGHT);
    rend_DrawLine(p0.p3_sx, p0.p3_sy + CROSS_HEIGHT, p0.p3_sx - CROSS_WIDTH, p0.p3_sy);
  }
}

void DrawWorld(grViewport *vp, vector *view_target, matrix *view_orient, float view_dist, int start_room, float rad) {
  vector viewer_position;