public void draw() {
    /*---Update---*/
    world.update();
    worm.update();
    for (int i = 0; i < extraNum; i++) {
      extraWorms[i].update();
    }

    /*---Draw--*/
    // Lights
    lights();
    /*
    ambientLight(128f, 128f, 128f);
    directionalLight(128f, 128f, 128f, 0f, 0f, -1f);
    lightFalloff(1f, 0f, 0f);
    lightSpecular(0f, 0f, 0f);
    */

    // Camera
    perspective(fov, aspect, near, far);
    // Calculate camera position
    if (PVector.dist(worm.getPosition(), eye) > eyeDist) {
      eye = PVector.sub(eye, worm.getPosition());
      eye.normalize();
      eye.mult(eyeDist);
      eye.add(worm.getPosition());
    }
    camera(
        eye.x,
        eye.y,
        eye.z, // eyeX, eyeY, eyeZ (camera position)
        worm.getPosition().x,
        worm.getPosition().y,
        worm.getPosition().z, // centerX, centerY, centerZ (look at)
        0f,
        1f,
        0f); // upX, upY, upZ

    // Action
    world.draw();
    worm.draw();
    for (int i = 0; i < extraNum; i++) {
      extraWorms[i].draw();
    }
    // Drama!
  }
Ejemplo n.º 2
0
    public void checkThirtyDegreeRule(
        ArrayList<Cam> cameras, ArrayList<Character> characters, int selectedIdx) {
      if (cameras == null || cameras.isEmpty()) {
        println("No cameras in the scene!");
      }

      if (characters.size() != 2) {
        println("Only two characters supported for now");
        // TODO (sanjeet): Hack! Fix this once more characters are allowed
      }

      Cam selectedCamera = cameras.get(selectedIdx);

      // TODO The characters.get results in a runtime error because there aren't currently any
      // characters allocated in the input file.
      Character ch1 = characters.get(0);
      Character ch2 = characters.get(1);

      // Obtaining (x,y,z) for characters and selected camera
      PVector ch1Location = ch1.getTranslation();
      PVector ch2Location = ch2.getTranslation();
      PVector selectedCameraLocation = selectedCamera.getTranslation();

      PVector cameraPoint = new PVector();
      cameraPoint.add(selectedCameraLocation);
      for (int i = 0; i < 100; i++) {
        cameraPoint.add(selectedCamera.getZAxis());
      }
      PVector intersection =
          getTwoLinesIntersection(
              new PVector(ch1Location.x, ch1Location.z),
              new PVector(ch2Location.x, ch2Location.z),
              new PVector(selectedCameraLocation.x, selectedCameraLocation.z),
              new PVector(cameraPoint.x, cameraPoint.z));

      PVector diff = PVector.sub(selectedCameraLocation, intersection);
      diff.normalize();
      FloatBuffer fb = selectedCamera.modelViewMatrix;
      float[] mat = fb.array();
      float[] fbMatrix = new float[mat.length];
      for (int i = 0; i < fbMatrix.length; i++) {
        fbMatrix[i] = mat[i];
      }
      fbMatrix[0] = -diff.x;
      fbMatrix[1] = diff.y;
      fbMatrix[2] = -diff.z;
      fbMatrix[9] = diff.x;
      fbMatrix[10] = diff.y;
      fbMatrix[11] = diff.z;
      fbMatrix[13] = intersection.x;
      fbMatrix[14] = intersection.y;
      fbMatrix[15] = intersection.z;
      PMatrix3D matrix = new PMatrix3D();
      matrix.set(fbMatrix);
      matrix.transpose();
      pushMatrix();
      applyMatrix(matrix);
      rotateY(radians(30));
      line(0, 0, 0, 0, 0, 1000);
      rotateY(radians(-2 * 30));
      line(0, 0, 0, 0, 0, 1000);
      popMatrix();

      for (int i = 0; i < cameras.size(); i++) {
        if (i == selectedIdx) {
          continue;
        }

        if (!cameras.get(i).isInView(ch1Location) && !cameras.get(i).isInView(ch2Location)) {
          continue;
        }
        PVector currCamLocation = cameras.get(i).getTranslation();
        PVector vect1 = PVector.sub(currCamLocation, intersection);
        PVector vect2 = PVector.sub(selectedCameraLocation, intersection);
        float dotP = vect1.dot(vect2) / (vect1.mag() * vect2.mag());
        if (acos(dotP) <= PI / 6) {
          cameras.get(i).setColor(255, 0, 0);
        } else {
          cameras.get(i).setColor(0, 0, 255);
        }
      }
    }