Пример #1
0
  /** This method saves all loaded materials to a .mtl file. */
  public void saveMaterials(String filePath) {
    try {
      BufferedWriter fout = new BufferedWriter(new FileWriter(filePath /*+".mtl"*/));
      MaterialCell mat[];
      mat = this.materials;
      for (int i = 1;
          i < mat.length;
          i++) // make i intialized to 1 if you want to avoid saving default material
      {
        fout.write("newmtl " + mat[i].materialName + "\n");
        fout.write("Ka " + mat[i].ka.toString() + "\n");
        fout.write("Kd " + mat[i].kd.toString() + "\n");
        fout.write("Ks " + mat[i].ks.toString() + "\n");
        if (!(mat[i].emmColor.r == 0.0 && mat[i].emmColor.g == 0.0 && mat[i].emmColor.b == 0.0))
          fout.write("e " + mat[i].emmColor.toString() + "\n");
        // e - emitted color
        fout.write("Ns " + (mat[i].shiny) + "\n");
        // Ns - shininess (0-128) Phong cos exponent in OpenGL form
        fout.write("Ni " + mat[i].refractiveIndex + "\n");
        // Ni - index of refraction
        fout.write("Lc " + mat[i].lineColor.toString() + "\n");
        // Lc - line color
        if (!(mat[i].transmissionFilter.r == 0.0
            && mat[i].transmissionFilter.g == 0.0
            && mat[i].transmissionFilter.b == 0.0))
          fout.write("Tf " + mat[i].transmissionFilter.toString() + "\n");
        // Tf - transmission filter - selects color of light transmitted
        if (!(mat[i].reflectivity.r == 0.0
            && mat[i].reflectivity.g == 0.0
            && mat[i].reflectivity.b == 0.0))
          fout.write("Ir " + mat[i].reflectivity.toString() + "\n");
        // Ir- intensity of reflected ray
        if (!(mat[i].refractivity.r == 0.0
            && mat[i].refractivity.g == 0.0
            && mat[i].refractivity.b == 0.0))
          fout.write("It " + mat[i].refractivity.toString() + "\n");
        // It - intensity of transmitted (refracted) ray

        fout.write("\n");
      }
      fout.close();
    } catch (IOException ex) {
      System.out.println("Could not open file for material output, operation terminated");
      ex.printStackTrace();
    }
  }
Пример #2
0
  /**
   * @param String - the name of the file
   * @param String - the name of the file (without the path but with the extension) containing the
   *     materials used by the mesh
   */
  public boolean save(String filename) {
    PMesh.SurfCell surf = this.surfHead;
    PMesh.PolyCell poly;
    PMesh.VertListCell vList;

    try {
      int i;
      BufferedWriter fout = new BufferedWriter(new FileWriter(filename));

      fout.write("#PMesh data structure needs modification to remember group name\n");
      fout.write("mtllib " + mtlFileName + "\n");
      for (i = 0; i < vertArray.size(); i++) {
        fout.write(
            "v "
                + vertArray.get(i).worldPos.x
                + " "
                + vertArray.get(i).worldPos.y
                + " "
                + vertArray.get(i).worldPos.z
                + "\n");
      }
      fout.write("# " + i + " vertices" + "\n");
      fout.write("\n");
      i = 0;
      while (surf != null) {
        poly = surf.polyHead;
        fout.write("g surface" + i + "\n");
        fout.write("usemtl " + materials[surf.material].materialName + "\n");
        while (poly != null) {
          vList = poly.vert;
          fout.write("f ");
          while (vList != null) {
            fout.write((vList.vert + 1) + " ");
            vList = vList.next;
          }
          fout.write("\n");
          poly = poly.next;
        }
        surf = surf.next;
        i++;
      }
      fout.close();
      return true;
    } // end try block
    catch (java.io.IOException ev) {
      System.out.println("Could not open file for output, operation terminated");
      return false;
    } // end catch
  } // end method save