Ejemplo n.º 1
0
void
grid3d_update (grid3d * g, float angle, float *vals, float dist)
{
  int i;
  float cosa;
  float sina;
  surf3d *s = &(g->surf);
  v3d cam = s->center;

  cam.z += dist;

  SINCOS ((angle / 4.3f), sina, cosa);
  cam.y += sina * 2.0f;
  SINCOS (angle, sina, cosa);

  if (g->mode == 0) {
    if (vals)
      for (i = 0; i < g->defx; i++)
        s->vertex[i].y = s->vertex[i].y * 0.2 + vals[i] * 0.8;

    for (i = g->defx; i < s->nbvertex; i++) {
      s->vertex[i].y *= 0.255f;
      s->vertex[i].y += (s->vertex[i - g->defx].y * 0.777f);
    }
  }

  for (i = 0; i < s->nbvertex; i++) {
    Y_ROTATE_V3D (s->vertex[i], s->svertex[i], cosa, sina);
    TRANSLATE_V3D (cam, s->svertex[i]);
  }
}
Ejemplo n.º 2
0
void surf3d_rotate (surf3d *s, float angle) {
	int i;
	float cosa;
	float sina;
	SINCOS(angle,sina,cosa);
	for (i=0;i<s->nbvertex;i++) {
		Y_ROTATE_V3D(s->vertex[i],s->svertex[i],cosa,sina);
	}
}