Example #1
0
  public void LoadWorld() throws IOException {
    // Here we load the world from a .3ds file
    // g_World.carregaObjeto("arenaobj_Scene2.obj", true, false, g_World);
    // g_World.carregaObjeto("arenaobj_10.obj", true, false, g_World);

    // g_World.carregaObjeto(g_World, "Jupiter2_CrashlandModel.3ds");
    // g_World.carregaObjeto(g_World, "Park.3ds");
    g_World.load("collision_arena.3DS");
    // g_World.carregaObjeto(g_World, "teste.3DS");

    // The maximum amount of triangles per node.  If a node has equal or less
    // than this, stop subdividing and store the face indices in that node
    // g_Octree.g_MaxTriangles = 20;
    // The current amount of end nodes in our tree (The nodes with vertices stored in them)
    // g_World.getPObject(6).setMaterialID(0);

    // This stores the amount of nodes that are in the frustum
    // g_Octree.g_TotalNodesDrawn = 0;

    // The maximum amount of subdivisions allowed (Levels of subdivision)
    // g_Octree.g_MaxSubdivisions = 4;

    // The number of Nodes we've checked for collision.
    // g_Octree.g_iNumNodesCollided = 0;

    // System.out.println("antes de passar: " + teste.abc);
    // System.out.println("antes de passar  x: " + temp.x + "y: " + temp.y + "z: " + temp.z);
    // Nothing new, setup the Octree normally.
    // g_Octree.getSceneDimensions(g_World, teste);

    // System.out.println("depois de passar: " +teste.abc);
    octree.getSceneDimensions(g_World);

    // System.out.println("depois de passar  x: " + temp.x + "y: " + temp.y + "z: " + temp.z);

    int TotalTriangleCount = octree.getSceneTriangleCount(g_World);
    octree.createNode(g_World, TotalTriangleCount, octree.getCenter(), octree.getWidth());
    octree.setDisplayListID(glGenLists(Octree.totalNodesCount));
    octree.createDisplayList(octree, g_World, octree.getDisplayListID());

    // Hide our cursor since we are using first person camera mode
    Mouse.setGrabbed(true);

    // glEnable(GL_COLOR_MATERIAL);						// Allow color
  }
Example #2
0
  public void checkGameInput() {

    if (drawMode.isPressed()) {
      octree.setRenderMode(!octree.isRenderMode());
      octree.setObjectColliding(false);
      if (octree.isRenderMode()) {
        glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); // Render the triangles in fill mode
      } else {
        glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); // Render the triangles in wire frame mode
      }
      octree.createDisplayList(octree, g_World, octree.getDisplayListID());
    }

    if (fullScreen.isPressed()) {
      setFullScreen(!isFullScreen());
    }

    if (enter.isPressed()) {
      Octree.octreeCollisionDetection = !Octree.octreeCollisionDetection;
    }

    if (left.isPressed()) {
      camera.strafe(-SPEED / 10 * elapsedTime);
    }

    if (right.isPressed()) {

      camera.strafe(SPEED / 10 * elapsedTime);
    }

    if (zoomIn.isPressed()) {
      camera.move(+SPEED / 10 * elapsedTime);
    }
    if (zoomOut.isPressed()) {

      camera.move(-SPEED / 10 * elapsedTime);
    }

    if (moveLeft.isPressed()) {
      g_BallEntity.fAngle += (float) AR_DegToRad(g_BallEntity.fTurnRate) * elapsedTime;
    }

    if (moveRight.isPressed()) {

      // Rotate the Ball Angle Counter Clockwise.
      g_BallEntity.fAngle -= (float) AR_DegToRad(g_BallEntity.fTurnRate) * elapsedTime;
    }

    // Clamp values above 2 * PI or 360 Deg's.
    if (g_BallEntity.fAngle >= AR_2PI) g_BallEntity.fAngle = g_BallEntity.fAngle - AR_2PI;

    // Clamp values below 0.
    if (g_BallEntity.fAngle < 0.0f) g_BallEntity.fAngle = AR_2PI + g_BallEntity.fAngle;

    if (debug.isPressed()) {
      g_bDisplayNodes = !g_bDisplayNodes;
    }

    if (moveUp.isPressed()) {
      if (g_BallEntity.fVelX + (g_BallEntity.fAccel * elapsedTime) < g_BallEntity.fMaxVel) {
        g_BallEntity.fVelX += g_BallEntity.fAccel * elapsedTime;
        g_BallEntity.fVelZ += g_BallEntity.fAccel * elapsedTime;
      }
    }
    if (moveDown.isPressed()) {

      // Move the Ball Backwards.
      if (g_BallEntity.fVelX - (g_BallEntity.fAccel * elapsedTime) > g_BallEntity.fMinVel) {
        g_BallEntity.fVelX -= g_BallEntity.fAccel * elapsedTime;
        g_BallEntity.fVelZ -= g_BallEntity.fAccel * elapsedTime;
      }
    }

    // Apply Gravity to this Entity (using time based motion) if he's not colliding with anything.
    if (!octree.isObjectColliding()) g_BallEntity.fVelY += (GRAVITY * elapsedTime);

    // Apply (spherical based) motion.

    g_BallEntity.x +=
        (g_fSinTable[(int) AR_RadToDeg(g_BallEntity.fAngle)] * g_BallEntity.fVelX) * elapsedTime;
    g_BallEntity.y += g_BallEntity.fVelY * elapsedTime;
    g_BallEntity.z +=
        (g_fCosTable[(int) AR_RadToDeg(g_BallEntity.fAngle)] * g_BallEntity.fVelZ) * elapsedTime;

    // Adjust the Forward I-Sectors Endpoint.
    g_vForwardISector[1].x =
        g_fSinTable[(int) AR_RadToDeg(g_BallEntity.fAngle)] * g_BallEntity.fRadius * 0.2f;
    g_vForwardISector[1].y = 0.0f;
    g_vForwardISector[1].z =
        g_fCosTable[(int) AR_RadToDeg(g_BallEntity.fAngle)] * g_BallEntity.fRadius * 0.2f;

    // Slow this guy down (friction).
    if (g_BallEntity.fVelX > g_fFriction * elapsedTime) {
      g_BallEntity.fVelX -= g_fFriction * elapsedTime;
    }

    if (g_BallEntity.fVelZ > g_fFriction * elapsedTime) {
      g_BallEntity.fVelZ -= g_fFriction * elapsedTime;
    }

    if (g_BallEntity.fVelX < g_fFriction * elapsedTime) {
      g_BallEntity.fVelX += g_fFriction * elapsedTime;
    }

    if (g_BallEntity.fVelZ < g_fFriction * elapsedTime) {
      g_BallEntity.fVelZ += g_fFriction * elapsedTime;
    }

    // If this Ball falls outside the world, drop back from the top.
    if (g_BallEntity.y < -30) {
      g_BallEntity.x = g_BallEntity.z = 0.0f;
      g_BallEntity.y = 5.0f;
      g_BallEntity.fVelX = g_BallEntity.fVelY = g_BallEntity.fVelZ = 0.0f;
    }

    Vector3f[] vGroundLine = {new Vector3f(), new Vector3f()};
    Vector3f[] vForwardLine = {new Vector3f(), new Vector3f()};

    // Prepare a Temporary line transformed to the Balls exact world position.
    vGroundLine[0].x = g_BallEntity.x + g_vGroundISector[0].x;
    vGroundLine[0].y = g_BallEntity.y + g_vGroundISector[0].y;
    vGroundLine[0].z = g_BallEntity.z + g_vGroundISector[0].z;

    vGroundLine[1].x = g_BallEntity.x + g_vGroundISector[1].x;
    vGroundLine[1].y = g_BallEntity.y + g_vGroundISector[1].y;
    vGroundLine[1].z = g_BallEntity.z + g_vGroundISector[1].z;

    // Prepare a Temporary line transformed to the Balls exact world position.
    vForwardLine[0].x = g_BallEntity.x + g_vForwardISector[0].x;
    vForwardLine[0].y = g_BallEntity.y + g_vForwardISector[0].y;
    vForwardLine[0].z = g_BallEntity.z + g_vForwardISector[0].z;

    vForwardLine[1].x = g_BallEntity.x + g_vForwardISector[1].x;
    vForwardLine[1].y = g_BallEntity.y + g_vForwardISector[1].y;
    vForwardLine[1].z = g_BallEntity.z + g_vForwardISector[1].z;

    // A temporary Vector holding the Intersection Point of our Intersection Check.
    vIntersectionPt = new Vector3f();

    // Reset the Status of the Object (wheter it is colliding or not).
    octree.setObjectColliding(false);

    // Reset the Nodes collided to zero so we can start with a fresh count.
    Octree.numNodesCollided = 0;

    // Test the line for an intersection with the Octree Geometry.
    if (octree.intersectLineWithOctree(octree, g_World, vGroundLine, vIntersectionPt)) {
      // Move the Ball up from the point at which it collided with the ground. This is what
      // ground clamping is!
      g_BallEntity.x = vIntersectionPt.x;
      // NOTE: Make sure it is above the surface, AND half it's height (so it isn't half
      // underground).
      // This would only apply if you placed entity's by their exact center.
      g_BallEntity.y = vIntersectionPt.y + g_BallEntity.fRadius;
      g_BallEntity.z = vIntersectionPt.z;

      // Stop your up-down velocity.
      g_BallEntity.fVelY = 0.0f;
    }

    // Test the line for an intersection with the Octree Geometry.
    if (octree.intersectLineWithOctree(octree, g_World, vForwardLine, vIntersectionPt)) {
      // Move the Ball up from the point at which it collided with the ground. This is what
      // ground clamping is!
      g_BallEntity.x = vIntersectionPt.x;
      // NOTE: Make sure it is above the surface, AND half it's height (so it isn't half
      // underground).
      // This would only apply if you placed entity's by their exact center.
      g_BallEntity.y = vIntersectionPt.y + g_BallEntity.fRadius;
      g_BallEntity.z = vIntersectionPt.z;

      // Stop your up-down velocity.
      g_BallEntity.fVelY = 0.0f;
    }
  }