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git-svn-id: svn://db.shs.com.ru/libs@631 a8b55f48-bf90-11e4-a774-851b48703e85

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Пелипенко Иван
2019-11-26 21:20:59 +00:00
parent 9059a17cd0
commit 5eaf516eae
16 changed files with 615 additions and 411 deletions
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29
qglengine/glmesh.cpp
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@@ -310,20 +310,33 @@ uint Mesh::hash() const {
void Mesh::translatePoints(const QVector3D & dp) {
if (vertices_.isEmpty()) return;
int vcnt = vertices_.size();
for (int i = 0; i < vcnt; ++i) {
vertices_[i] += dp;
}
changed = hash_changed = true;
QMatrix4x4 m;
m.translate(dp);
transformPoints(m);
}
void Mesh::scalePoints(const QVector3D & dp) {
QMatrix4x4 m;
m.scale(dp);
transformPoints(m);
}
void Mesh::rotatePoints(const double & angle, const QVector3D & a) {
QMatrix4x4 m;
m.rotate(angle, a);
transformPoints(m);
}
void Mesh::transformPoints(const QMatrix4x4 & mat) {
if (vertices_.isEmpty()) return;
int vcnt = vertices_.size();
int vcnt = vertices_.size(), ncnt = normals_.size();
for (int i = 0; i < vcnt; ++i) {
vertices_[i] *= dp;
vertices_[i] = (mat * QVector4D(vertices_[i], 1)).toVector3D();
if (i < ncnt)
normals_[i] = (mat * QVector4D(normals_[i], 0)).toVector3D();
}
changed = hash_changed = true;
}