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chunkstream version fixedleaselication

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git-svn-id: svn://db.shs.com.ru/libs@3 a8b55f48-bf90-11e4-a774-851b48703e85
This commit is contained in:
Пелипенко Иван
2015-03-24 11:04:36 +00:00
parent b3e47dfc99
commit b068a301bf
29 changed files with 406 additions and 95 deletions
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82
qglview/glprimitives.cpp
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@@ -29,6 +29,16 @@ void GLPrimitivePoint::draw(bool simplest) {
void GLPrimitiveLine::draw(bool simplest) {
glColor3f(material_.color_diffuse.redF(), material_.color_diffuse.greenF(), material_.color_diffuse.blueF());
glBegin(GL_LINES);
glVertex3d(p0.x(), p0.y(), p0.z());
glVertex3d(p1.x(), p1.y(), p1.z());
glEnd();
}
GLPrimitiveCube::GLPrimitiveCube(double width, double length, double height, QVector3D pos): GLObjectBase() {
geom_prim = Quads;
w = width;
@@ -101,3 +111,75 @@ void GLPrimitiveCube::init() {
is_init = true;
vbo.rebuffer();
}
GLPrimitiveEllipsoid::GLPrimitiveEllipsoid(double width, double length, double height, int seg_wl, int seg_h, QVector3D pos) {
geom_prim = GLObjectBase::Triangles;
w = width;
l = length;
h = height;
swl = seg_wl;
sh = seg_h;
moveTo(pos);
init();
}
void GLPrimitiveEllipsoid::putTriangle(const QVector3D & v0, const QVector3D & v1, const QVector3D & v2) {
vbo.vertices() << v0.x() << v0.y() << v0.z() << v1.x() << v1.y() << v1.z() << v2.x() << v2.y() << v2.z();
QVector3D n = QVector3D::normal(v1 - v0, v2 - v0);
for (int i = 0; i < 3; ++i)
vbo.normals() << n.x() << n.y() << n.z();
return;
QVector3D s(w, l, h);
n = (v0 * s).normalized(); vbo.normals() << n.x() << n.y() << n.z();
n = (v1 * s).normalized(); vbo.normals() << n.x() << n.y() << n.z();
n = (v2 * s).normalized(); vbo.normals() << n.x() << n.y() << n.z();
}
void GLPrimitiveEllipsoid::init() {
QVector<QVector3D> points;
vbo.clear();
vbo.init();
int ret = 0, hseg = sh + 1, wlseg = swl + 1;
double crw, crl, a, ch, twl;
QVector3D cp(0., 0., -h / 2.);
points << cp;
for (int i = 1; i < hseg; i++) {
ch = -cos((double)i / hseg * M_PI);
cp.setZ(ch * h / 2.);
twl = sqrt(1. - ch * ch) / 2.;
crw = twl * w;
crl = twl * l;
for (int j = 0; j < wlseg * 2; j++) {
a = (double)j / wlseg * M_PI;
cp.setY(crw * sin(a));
cp.setX(crl * cos(a));
points << cp;
ret = points.size() - 1;
if (i == 1)
if (j > 0) putTriangle(points[0], points[ret], points[ret - 1]);
if (j > 0) {
if (i > 1) {
putTriangle(points[ret - wlseg * 2 - 1], points[ret], points[ret - 1]);
putTriangle(points[ret - wlseg * 2], points[ret], points[ret - wlseg * 2 - 1]);
}
}
}
if (i == 1) putTriangle(points[0], points[ret - wlseg * 2 + 1], points[ret]);
else {
putTriangle(points[ret - wlseg * 2 + 1], points[ret], points[ret - wlseg * 2]);
putTriangle(points[ret - wlseg * 2 + 1], points[ret - wlseg * 2], points[ret - wlseg * 4 + 1]);
}
}
points << QVector3D(0., 0., h / 2.);
ret = points.size() - 1;
putTriangle(points[ret - 1], points[ret - wlseg * 2], points[ret]);
for (int j = 1; j < wlseg * 2; j++)
if (j > 0) putTriangle(points[ret - wlseg * 2 + j - 1], points[ret - wlseg * 2 + j], points[ret]);
is_init = true;
vbo.rebuffer();
}