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)));
}
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);
}
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();
}