public static bool RayTriangleIntersect(GTriangle _triangle, GRay _ray, bool _rayDirectionCheck, out float distance)
{
if (!RayTriangleCalculate(_triangle[0], _triangle[1], _triangle[2], _ray.origin, _ray.direction, out distance, out float u, out float v))
{
return(false);
}
return(!_rayDirectionCheck || distance > 0);
}
void OnDrawSceneHandles(SceneView _sceneView)
{
Handles.color = Color.white.SetAlpha(.5f);
Handles.DrawWireCube(m_ModifingMesh.bounds.center, m_ModifingMesh.bounds.size * 1.2f);
if (!m_SelectingPolygon)
{
return;
}
GMeshPolygon _mainPolygon = m_Polygons[m_SelectedPolygon];
foreach (var subPolygon in m_SubPolygons)
{
GDirectedTriangle directedTriangle = m_Polygons[subPolygon].GetDirectedTriangle(m_Verticies);
if (Vector3.Dot(directedTriangle.normal, _sceneView.camera.transform.forward) > 0)
{
continue;
}
Handles.color = Color.yellow.SetAlpha(.1f);
Handles.DrawAAConvexPolygon(directedTriangle.triangle.verticies);
Handles.color = Color.yellow;
Handles.DrawLines(directedTriangle.triangle.GetDrawLinesVerticies());
}
GTriangle mainTriangle = _mainPolygon.GetTriangle(m_Verticies);
Handles.color = Color.green.SetAlpha(.3f);
Handles.DrawAAConvexPolygon(mainTriangle.verticies);
Handles.color = Color.green;
Handles.DrawLines(mainTriangle.GetDrawLinesVerticies());
if (!m_EditingVectors)
{
return;
}
Handles.color = Color.green;
foreach (var indice in _mainPolygon.indices)
{
Handles_Extend.DrawArrow(m_Verticies[indice], m_VertexDatas[indice], .1f * m_GUISize, .01f * m_GUISize);
if (m_SelectedVertexIndex == indice)
{
continue;
}
Handles_Extend.DrawWireSphere(m_Verticies[indice], m_VertexDatas[indice], C_VertexSphereRadius * m_GUISize);
}
Handles.color = Color.yellow;
foreach (var subPolygon in m_SubPolygons)
{
foreach (var indice in m_Polygons[subPolygon].indices)
{
Handles.DrawLine(m_Verticies[indice], m_Verticies[indice] + m_VertexDatas[indice] * .03f * m_GUISize);
}
}
}
void SelectPolygon(int _index)
{
SelectVertex(-1);
m_SelectedPolygon = _index;
m_SubPolygons.Clear();
if (_index < 0)
{
return;
}
GMeshPolygon mainPolygon = m_Polygons[m_SelectedPolygon];
GTriangle mainTriangle = mainPolygon.GetTriangle(m_Verticies);
m_Polygons.FindAllIndexes(m_SubPolygons, (index, polygon) => index != m_SelectedPolygon && polygon.GetTriangle(m_Verticies).verticies.Any(subVertex => mainTriangle.verticies.Any(mainVertex => mainVertex == subVertex)));
}
public GDirectedTriangle(Vector3 _vertex1, Vector3 _vertex2, Vector3 _vertex3)
{
triangle = new GTriangle(_vertex1, _vertex2, _vertex3);
}
public static bool RayTriangleIntersect(GTriangle _triangle, GRay _ray, bool _rayDirectionCheck) => RayTriangleIntersect(_triangle, _ray, _rayDirectionCheck, out float distance);
