Beispiel #1
0
std::pair<Real, Real> Tri3::min_and_max_angle() const
{
  Point v10 ( this->point(1) - this->point(0) );
  Point v20 ( this->point(2) - this->point(0) );
  Point v21 ( this->point(2) - this->point(1) );

  const Real
    len_10=v10.size(),
    len_20=v20.size(),
    len_21=v21.size()
    ;

  const Real
    theta0=std::acos(( v10*v20)/len_10/len_20),
    theta1=std::acos((-v10*v21)/len_10/len_21),
    theta2=libMesh::pi - theta0 - theta1
    ;

  libmesh_assert_greater (theta0, 0.);
  libmesh_assert_greater (theta1, 0.);
  libmesh_assert_greater (theta2, 0.);

  return std::make_pair(std::min(theta0, std::min(theta1,theta2)),
                        std::max(theta0, std::max(theta1,theta2)));
}
Beispiel #2
0
Real Tri3::volume () const
{
  // 3-node triangles have the following formula for computing the area
  Point v10 ( *(this->get_node(1)) - *(this->get_node(0)) );

  Point v20 ( *(this->get_node(2)) - *(this->get_node(0)) );

  return 0.5 * (v10.cross(v20)).size() ;
}
void Hud::Draw (Zeni::Time::Second_Type elapsedTime)
{
	HeroComponent & hero = HeroComponent::GetInstance();

	double heroHealth = hero.GetHealth();
	double heroShields = hero.GetShields();
	double healthWidth = 200.0f;
	double healthHeight = 30.0f;

	Zeni::Point2f bgPosition1 (590.0f, 40.0f);
	Zeni::Point2f bgPosition2 (bgPosition1.x, bgPosition1.y + healthHeight);
	Zeni::Point2f bgPosition3 (bgPosition1.x + healthWidth, bgPosition1.y + healthHeight);
	Zeni::Point2f bgPosition4 (bgPosition1.x + healthWidth, bgPosition1.y);

	Zeni::Point2f healthPosition1 = bgPosition1;
	Zeni::Point2f healthPosition2 = bgPosition2;
	Zeni::Point2f healthPosition3 (bgPosition1.x + healthWidth * heroHealth / 1000.0f, bgPosition1.y + healthHeight);
	Zeni::Point2f healthPosition4 (bgPosition1.x + healthWidth * heroHealth / 1000.0f, bgPosition1.y);

	Zeni::Point2f shieldPosition1 = bgPosition1;
	Zeni::Point2f shieldPosition2 = bgPosition2;
	Zeni::Point2f shieldPosition3 (bgPosition1.x + healthWidth * heroShields / 100.0f, bgPosition1.y + healthHeight);
	Zeni::Point2f shieldPosition4 (bgPosition1.x + healthWidth * heroShields / 100.0f, bgPosition1.y);

	int score = hero.GetScore();

	std::stringstream ss4;
	ss4 << score;
	Zeni::get_Fonts()["score"].render_text (ss4.str(), Zeni::Point2f (20.0f, 550.0f), Zeni::get_Colors()["score"]);

	++frameCount;

	std::stringstream ss ("FPS: ");
	ss << fps;

	//Zeni::get_Fonts()["fps"].render_text (ss.str(), Zeni::Point2f(), Zeni::get_Colors()["fps"]);

	const std::vector<ProjectileFactory*>& heroWeapons = hero.GetWeapons();

	size_t numWeapons = heroWeapons.size();
	int selectedWeapon = hero.GetSelectedWeaponIndex();

	double corner = 800.0f - 30.0f * numWeapons;

	Zeni::Color enabled = Zeni::get_Colors()["weapon_enabled"];
	Zeni::Color disabled = Zeni::get_Colors()["weapon_disabled"];

	for (int i = 0; i < numWeapons; ++i)
	{
		Zeni::Vertex2f_Texture vertex1 (Zeni::Point2f(corner + 30.0f * i, 0.0f), Zeni::Point2f(0.0f, 0.0f));
		Zeni::Vertex2f_Texture vertex2 (Zeni::Point2f(corner + 30.0f * i, 30.0f), Zeni::Point2f(0.0f, 1.0f));
		Zeni::Vertex2f_Texture vertex3 (Zeni::Point2f(corner + 30.0f * (i + 1), 30.0f), Zeni::Point2f(1.0f, 1.0f));
		Zeni::Vertex2f_Texture vertex4 (Zeni::Point2f(corner + 30.0f * (i + 1), 0.0f), Zeni::Point2f(1.0f, 0.0f));
		Zeni::Quadrilateral<Zeni::Vertex2f_Texture> q (vertex1, vertex2, vertex3, vertex4);

		Zeni::Material backing(i == selectedWeapon ? "selected_weapon" : "weapon");

		q.lend_Material (&backing);

		Zeni::get_Video().render (q);
		
		double r = selectedWeapon == i ? weaponRotation : 0.0f;
		Zeni::render_image (
			heroWeapons[i]->GetTexture(),
			Zeni::Point2f(corner + 30 * i + 5.0f, 5.0f),
			Zeni::Point2f(corner + 30 * (i + 1.0f) - 5.0f, 25.0),
			r,
			1.0f,
			Zeni::Point2f(corner + 30 * i + 15.0f, 15.0f),
			false,
			heroWeapons[i]->IsReady() ? enabled : disabled);
	}

	int heroAmmo = heroWeapons[selectedWeapon]->GetAmmo();

	std::stringstream ss3;
	ss3 << heroAmmo;
	Zeni::get_Fonts()["ammo"].render_text (ss3.str(), Zeni::Point2f(corner - 5.0f, 0.0f), Zeni::get_Colors()["ammo"], Zeni::ZENI_RIGHT);

	Zeni::Vertex2f_Texture v9 (bgPosition1, Zeni::Point2f (0.0f, 0.0f));
	Zeni::Vertex2f_Texture v10 (bgPosition2, Zeni::Point2f (0.0f, 1.0f));
	Zeni::Vertex2f_Texture v11 (bgPosition3, Zeni::Point2f (1.0f, 1.0f));
	Zeni::Vertex2f_Texture v12 (bgPosition4, Zeni::Point2f (1.0f, 0.0f));

	Zeni::Quadrilateral<Zeni::Vertex2f_Texture> q3 (v9, v10, v11, v12);

	Zeni::Material healthbar1("healthbar1");

	q3.lend_Material (&healthbar1);

	Zeni::get_Video().render (q3);

	Zeni::Vertex2f_Texture v13 (healthPosition1, Zeni::Point2f (0.0f, 0.0f));
	Zeni::Vertex2f_Texture v14 (healthPosition2, Zeni::Point2f (0.0f, 1.0f));
	Zeni::Vertex2f_Texture v15 (healthPosition3, Zeni::Point2f (heroHealth / 1000.0f, 1.0f));
	Zeni::Vertex2f_Texture v16 (healthPosition4, Zeni::Point2f (heroHealth / 1000.0f, 0.0f));

	Zeni::Quadrilateral<Zeni::Vertex2f_Texture> q4 (v13, v14, v15, v16);

	Zeni::Material healthbar2("healthbar2");

	q4.lend_Material (&healthbar2);

	Zeni::get_Video().render (q4);

	Zeni::Vertex2f_Texture v17 (shieldPosition1, Zeni::Point2f (0.0f, 0.0f));
	Zeni::Vertex2f_Texture v18 (shieldPosition2, Zeni::Point2f (0.0f, 1.0f));
	Zeni::Vertex2f_Texture v19 (shieldPosition3, Zeni::Point2f (heroShields / 100.0f, 1.0f));
	Zeni::Vertex2f_Texture v20 (shieldPosition4, Zeni::Point2f (heroShields / 100.0f, 0.0f));

	Zeni::Quadrilateral<Zeni::Vertex2f_Texture> q5 (v17, v18, v19, v20);

	Zeni::Material healthbar3("healthbar3");

	q5.lend_Material (&healthbar3);

	Zeni::get_Video().render (q5);

	double timeRemaining = GameTimer::GetInstance().GetRemainingTime();

	Zeni::Color timerTextColor = timeRemaining < 10.0f ? Zeni::get_Colors()["low_time"] : Zeni::get_Colors()["time"];

	Zeni::render_image (
		"Timer",
		Zeni::Point2f (620.0f, 540.0f),
		Zeni::Point2f (670.0f, 590.0f),
		false,
		timerTextColor);

	std::stringstream ss2;
	int minutes = (int)timeRemaining / 60;
	ss2 << minutes << ":" << std::fixed << std::setprecision(2) << timeRemaining - minutes * 60;
	Zeni::get_Fonts()["time"].render_text (ss2.str(), Zeni::Point2f(680.0f, 550.0f), timerTextColor);
}
Beispiel #4
0
osg::Drawable *ClampNode::createBrick(void) const {
    // Get the brick
    Clamp* clamp = static_cast<Clamp*>(_lego);
    
    // Get brick color
    QColor color = clamp->getColor();

    // Get clamp bounding box
    clamp->calculateBoundingBox();
    BoundingBox bb = clamp->getBoundingBox();
    // Get integer sizes
    int width = bb.getWidth();
    int length = bb.getLength();
    int height = bb.getHeight();

    // Get real position, according to tile size
    double mw = (-width)*Lego::length_unit/2;
    double mwpm = (-width)*Lego::length_unit/2+Lego::height_unit/2;
    double mwp = (-width)*Lego::length_unit/2+0.93*Lego::height_unit;
    double pw = (width)*Lego::length_unit/2;
    double pwm = (width)*Lego::length_unit/2-Lego::height_unit/2;
    double ml = (-length)*Lego::length_unit/2;
    double mlp = (-length+0.5)*Lego::length_unit/2;
    double pl = (length)*Lego::length_unit/2;
    double plm = (length-0.5)*Lego::length_unit/2;
    double mh = (-height)*Lego::height_unit/2;
    double mhp = (-height)*Lego::height_unit/2+2*Lego::plot_top_height;
    double mhpm = (-height)*Lego::height_unit/2+Lego::plot_top_height;
    double phm = (height)*Lego::height_unit/2-Lego::height_unit/2;
    double phmp = (height)*Lego::height_unit/2-0.5*Lego::height_unit/2;
    
    // Create 3 vertices
    osg::ref_ptr<osg::Vec3Array> vertices = new osg::Vec3Array;
    osg::Vec3 v0(ml, mw, mh);
    osg::Vec3 v1(pl, mw, mh);
    osg::Vec3 v2(pl, pw, mh);
    osg::Vec3 v3(ml, pw, mh);
    osg::Vec3 v4(ml, pw, mhp);
    osg::Vec3 v5(pl, pw, mhp);
    osg::Vec3 v6(pl, mw, mhp);
    osg::Vec3 v7(ml, mw, mhp);
    osg::Vec3 v8(mlp, mw, mhp);
    osg::Vec3 v9(mlp, mw, phm);
    osg::Vec3 v10(ml, mw, phm);
    osg::Vec3 v11(ml, mwp, phmp);
    osg::Vec3 v12(mlp, mwp, phmp);
    osg::Vec3 v13(mlp, pw, mhp);
    osg::Vec3 v14(plm, mw, mhp);
    osg::Vec3 v15(plm, mw, phm);
    osg::Vec3 v16(pl, mw, phm);
    osg::Vec3 v17(pl, mwp, phmp);
    osg::Vec3 v18(plm, mwp, phmp);
    osg::Vec3 v19(plm, pw, mhp);
    osg::Vec3 v20(mlp, mwpm, mh);
    osg::Vec3 v21(plm, mwpm, mh);
    osg::Vec3 v22(plm, pwm, mh);
    osg::Vec3 v23(mlp, pwm, mh);
    osg::Vec3 v24(mlp, mwpm, mhpm);
    osg::Vec3 v25(plm, mwpm, mhpm);
    osg::Vec3 v26(plm, pwm, mhpm);
    osg::Vec3 v27(mlp, pwm, mhpm);
    
    // Create 1 faces, 0 faces are quads splitted into two triangles
    // NB: Down face is transparent, we don't even create it

    // Bottom
    vertices->push_back(v3);
    vertices->push_back(v2);
    vertices->push_back(v1);
    vertices->push_back(v0);
    // Bottom hole
    vertices->push_back(v20);
    vertices->push_back(v21);
    vertices->push_back(v22);
    vertices->push_back(v23);
    // Bottom far
    vertices->push_back(v24);
    vertices->push_back(v25);
    vertices->push_back(v26);
    vertices->push_back(v27);

    // Front face
    vertices->push_back(v2);
    vertices->push_back(v3);
    vertices->push_back(v4);
    vertices->push_back(v5);

    // Back face
    vertices->push_back(v0);
    vertices->push_back(v1);
    vertices->push_back(v6);
    vertices->push_back(v7);

    // Left bottom face
    vertices->push_back(v0);
    vertices->push_back(v3);
    vertices->push_back(v4);
    vertices->push_back(v7);

    // Right bottom face
    vertices->push_back(v1);
    vertices->push_back(v2);
    vertices->push_back(v5);
    vertices->push_back(v6);

    // Top face
    vertices->push_back(v4);
    vertices->push_back(v5);
    vertices->push_back(v6);
    vertices->push_back(v7);

    // Left part back
    vertices->push_back(v7);
    vertices->push_back(v8);
    vertices->push_back(v9);
    vertices->push_back(v10);

    // Left part left ext
    vertices->push_back(v4);
    vertices->push_back(v7);
    vertices->push_back(v10);
    vertices->push_back(v11);

    // Left part front
    vertices->push_back(v4);
    vertices->push_back(v11);
    vertices->push_back(v12);
    vertices->push_back(v13);

    // Left part left int
    vertices->push_back(v8);
    vertices->push_back(v9);
    vertices->push_back(v12);
    vertices->push_back(v13);

    // Right part back
    vertices->push_back(v6);
    vertices->push_back(v14);
    vertices->push_back(v15);
    vertices->push_back(v16);

    // Left part left ext
    vertices->push_back(v5);
    vertices->push_back(v6);
    vertices->push_back(v16);
    vertices->push_back(v17);

    // Left part front
    vertices->push_back(v5);
    vertices->push_back(v17);
    vertices->push_back(v18);
    vertices->push_back(v19);

    // Left part left int
    vertices->push_back(v14);
    vertices->push_back(v15);
    vertices->push_back(v18);
    vertices->push_back(v19);

    // Bottom front
    vertices->push_back(v20);
    vertices->push_back(v21);
    vertices->push_back(v25);
    vertices->push_back(v24);

    // Bottom right
    vertices->push_back(v21);
    vertices->push_back(v22);
    vertices->push_back(v26);
    vertices->push_back(v25);

    // Bottom back
    vertices->push_back(v22);
    vertices->push_back(v23);
    vertices->push_back(v27);
    vertices->push_back(v26);

    // Bottom left
    vertices->push_back(v23);
    vertices->push_back(v20);
    vertices->push_back(v24);
    vertices->push_back(v27);

    // Create tile geometry
    osg::ref_ptr<osg::Geometry> clampGeometry = new osg::Geometry;
    
    // Match vertices
    clampGeometry->setVertexArray(vertices);
    
    // Create colors
    osg::Vec4 osgColor(static_cast<float>(color.red())/255.0, static_cast<float>(color.green())/255.0, static_cast<float>(color.blue())/255.0, 1.0);
    osg::ref_ptr<osg::Vec4Array> colors = new osg::Vec4Array;
    // Every face has the same color, so there is only one color
    colors->push_back(osgColor);
    
    // Match color
    clampGeometry->setColorArray(colors);
    clampGeometry->setColorBinding(osg::Geometry::BIND_OVERALL);
    
    // Create normals
    osg::ref_ptr<osg::Vec3Array> normals = new osg::Vec3Array;
    normals->push_back(osg::Vec3(0, 0, -1));
    normals->push_back(osg::Vec3(0, 0, -1));
    normals->push_back(osg::Vec3(0, 1, 0));
    normals->push_back(osg::Vec3(0, -1, 0));
    normals->push_back(osg::Vec3(-1, 0, 0));
    normals->push_back(osg::Vec3(1, 0, 0));
    normals->push_back(osg::Vec3(0, 0, 1));
    normals->push_back(osg::Vec3(0, -1, 0));
    normals->push_back(osg::Vec3(-1, 0, 0));
    double w = pw - mwp;
    double h = phmp - mhp;
    double norm = std::sqrt(w*w + h*h);
    normals->push_back(osg::Vec3(0, h/norm, w/norm));
    normals->push_back(osg::Vec3(1, 0, 0));
    normals->push_back(osg::Vec3(0, -1, 0));
    normals->push_back(osg::Vec3(1, 0, 0));
    normals->push_back(osg::Vec3(0, h/norm, w/norm));
    normals->push_back(osg::Vec3(-1, 0, 0));
    normals->push_back(osg::Vec3(0, 1, 0));
    normals->push_back(osg::Vec3(-1, 0, 0));
    normals->push_back(osg::Vec3(0, -1, 0));
    normals->push_back(osg::Vec3(1, 0, 0));
    
    // Match normals
    clampGeometry->setNormalArray(normals);
    clampGeometry->setNormalBinding(osg::Geometry::BIND_PER_PRIMITIVE);

    // Define 1 GL_QUADS with 1*4 vertices, corresponding to bottom part
    clampGeometry->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::QUADS, 0*4, 4));

    // Define 1 GL_QUADS with 1*4 vertices, corresponding to 1 hole in bottom part
    clampGeometry->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::QUADS, 1*4, 4));

    // Retesslate to create hole
    osgUtil::Tessellator tesslator;
    tesslator.setTessellationType(osgUtil::Tessellator::TESS_TYPE_GEOMETRY);
    tesslator.setWindingType(osgUtil::Tessellator::TESS_WINDING_ODD);
    tesslator.retessellatePolygons(*clampGeometry);

    // Create 17 GL_QUADS, i.e. 18*4 vertices
    clampGeometry->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::QUADS, 2*4, 18*4));

    // Return the tile whithout plot
    return clampGeometry.release();
}