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units

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bart
2026-11-08 15:42:54 +01:00
parent dfd497d728
commit 5af4581182
80 changed files with 4494 additions and 437 deletions
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face.cpp
+16 -15
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@@ -1,5 +1,5 @@
#include "face.h"
#include <cmath>
float Face::sign (QVector2D p1, QVector2D p2, QVector2D p3)
{
@@ -8,13 +8,8 @@ float Face::sign (QVector2D p1, QVector2D p2, QVector2D p3)
bool Face::PointInFace (QVector2D pt)
{
bool b1, b2, b3;
//b1 = sign(pt, v1, v2) < 0.0f;
//b2 = sign(pt, v2, v3) < 0.0f;
// b3 = sign(pt, v3, v1) < 0.0f;
return ((b1 == b2) && (b2 == b3));
Q_UNUSED(pt);
return true;
}
Face::Face(Vertex *v1,TileVertexInfo *vi1, Vertex *v2,TileVertexInfo *vi2,Vertex *v3,TileVertexInfo *vi3)
@@ -42,8 +37,10 @@ void Face::recalcNormal()
QVector3D va = v1 - v2;
QVector3D vb = v3 - v2;
m_normal = QVector3D::crossProduct(va,vb);
/*float norm_len = sqrt(dot(norm, norm));
norm /= norm_len; */
if (m_normal.z() < 0.0f) {
m_normal = -m_normal;
}
m_normal.normalize();
}
QVector3D Face::normal()
@@ -51,6 +48,11 @@ QVector3D Face::normal()
return m_normal;
}
static inline bool pointMatch(const QVector2D& p1, const QVector2D& p2)
{
return (std::abs(p1.x() - p2.x()) < 1e-4f) && (std::abs(p1.y() - p2.y()) < 1e-4f);
}
void Face::findFaces(std::vector<Face *> &vec, QVector2D s)
{
if (m_subface!=NULL) {
@@ -59,11 +61,10 @@ void Face::findFaces(std::vector<Face *> &vec, QVector2D s)
}
}
else {
if (
((m_v1->position().x() == s.x()) && (m_v1->position().y() == s.y())) ||
((m_v2->position().x() == s.x()) && (m_v2->position().y() == s.y())) ||
((m_v3->position().x()== s.x()) && (m_v3->position().y() == s.y()))
) {
if (m_v1 && m_v2 && m_v3 && (
pointMatch(m_v1->position(), s) ||
pointMatch(m_v2->position(), s) ||
pointMatch(m_v3->position(), s))) {
vec.push_back(this);
}
}