本文整理汇总了C++中Triangles::OnPicked方法的典型用法代码示例。如果您正苦于以下问题：C++ Triangles::OnPicked方法的具体用法？C++ Triangles::OnPicked怎么用？C++ Triangles::OnPicked使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Triangles的用法示例。
在下文中一共展示了Triangles::OnPicked方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: ExecuteRecursive
//----------------------------------------------------------------------------
void Picker::ExecuteRecursive (Movable* object, bool &hasMeshPicked)
{
if (object)
{
if (!object->IsDoPick())
return;
if (!object->IsShow() && !object->IsPickIngoreCullingMode())
return;
}
Triangles* mesh = DynamicCast<Triangles>(object);
if (mesh)
{
if (!mesh->GetVertexBuffer())
return;
if (mesh->WorldBound.TestIntersection(mOrigin, mDirection, mTMin, mTMax))
{
if (mesh->IsUseBoundPick())
{
AVector dir = mesh->GetWorldTransform().GetTranslate() - mOrigin;
float length = dir.Length();
PickRecord record;
record.Intersected = mesh;
record.T = length;
Records.push_back(record);
}
else
{
// 将射线从世界坐标系转换到模型坐标系。
APoint ptmp;
if (!mesh->IsSkinCtrlSetWroldTrans)
ptmp = mesh->WorldTransform.Inverse()*mOrigin;
else
ptmp = mesh->BoundWorldTransform.Inverse()*mOrigin;
Vector3f modelOrigin(ptmp[0], ptmp[1], ptmp[2]);
AVector vtmp;
if (!mesh->IsSkinCtrlSetWroldTrans)
vtmp = mesh->WorldTransform.Inverse()*mDirection;
else
vtmp = mesh->BoundWorldTransform.Inverse()*mDirection;
Vector3f modelDirection(vtmp[0], vtmp[1], vtmp[2]);
Line3f line(modelOrigin, modelDirection);
// 访问方位数据
VertexBufferAccessor vba(mesh);
int numTriangles = mesh->GetNumTriangles();
for (int i = 0; i < numTriangles; ++i)
{
int v0, v1, v2;
if (!mesh->GetTriangle(i, v0, v1, v2))
{
continue;
}
Vector3f vertex0 = vba.Position<Vector3f>(v0);
Vector3f vertex1 = vba.Position<Vector3f>(v1);
Vector3f vertex2 = vba.Position<Vector3f>(v2);
Triangle3f triangle(vertex0, vertex1, vertex2);
IntrLine3Triangle3f calc(line, triangle);
if (calc.Find())
{
float lineParameter = calc.GetLineParameter();
if (mTMin<=lineParameter && lineParameter<=mTMax)
{
PickRecord record;
record.Intersected = mesh;
record.T = calc.GetLineParameter();
record.Triangle = i;
record.Bary[0] = calc.GetTriBary0();
record.Bary[1] = calc.GetTriBary1();
record.Bary[2] = calc.GetTriBary2();
Vector3f edg1 = vertex1 - vertex0;
Vector3f edg2 = vertex2 - vertex0;
Vector3f normal = edg1.UnitCross(edg2);
float dotVal = line.Direction.Dot(normal);
if (dotVal > Mathf::ZERO_TOLERANCE)
{
normal *= -1.0f;
}
record.LocalNormal = normal;
record.WorldPos = mOrigin + mDirection * record.T;
Records.push_back(record);
if (mIsDoMovPickCall)
{
hasMeshPicked = true;
mesh->OnPicked(mPickInfo);
}
}
}
//.........这里部分代码省略.........
示例2: ExecuteRecursive
//----------------------------------------------------------------------------
void Picker::ExecuteRecursive (Movable* object, bool &hasMeshPicked)
{
if (object)
{
if (object->Culling == Movable::CULL_ALWAYS)
return;
}
Triangles* mesh = DynamicCast<Triangles>(object);
if (mesh)
{
if (mesh->WorldBound.TestIntersection(mOrigin, mDirection, mTMin, mTMax))
{
// 将射线从世界坐标系转换到模型坐标系。
APoint ptmp = mesh->WorldTransform.Inverse()*mOrigin;
Vector3f modelOrigin(ptmp[0], ptmp[1], ptmp[2]);
AVector vtmp = mesh->WorldTransform.Inverse()*mDirection;
Vector3f modelDirection(vtmp[0], vtmp[1], vtmp[2]);
Line3f line(modelOrigin, modelDirection);
// 访问方位数据
VertexBufferAccessor vba(mesh);
int numTriangles = mesh->GetNumTriangles();
for (int i = 0; i < numTriangles; ++i)
{
int v0, v1, v2;
if (!mesh->GetTriangle(i, v0, v1, v2))
{
continue;
}
Vector3f vertex0 = vba.Position<Vector3f>(v0);
Vector3f vertex1 = vba.Position<Vector3f>(v1);
Vector3f vertex2 = vba.Position<Vector3f>(v2);
Triangle3f triangle(vertex0, vertex1, vertex2);
IntrLine3Triangle3f calc(line, triangle);
if (calc.Find() && mTMin <= calc.GetLineParameter()
&& calc.GetLineParameter() <= mTMax)
{
PickRecord record;
record.Intersected = mesh;
record.T = calc.GetLineParameter();
record.Triangle = i;
record.Bary[0] = calc.GetTriBary0();
record.Bary[1] = calc.GetTriBary1();
record.Bary[2] = calc.GetTriBary2();
Records.push_back(record);
if (mIsDoMovPickCall)
{
hasMeshPicked = true;
mesh->OnPicked(mPickInfo);
}
}
}
}
else
{
if (mIsDoMovPickCall)
mesh->OnNotPicked(mPickInfo);
}
return;
}
SwitchNode* switchNode = DynamicCast<SwitchNode>(object);
if (switchNode)
{
int activeChild = switchNode->GetActiveChild();
if (activeChild != SwitchNode::SN_INVALID_CHILD)
{
if (switchNode->WorldBound.TestIntersection(mOrigin, mDirection, mTMin, mTMax))
{
Movable* child = switchNode->GetChild(activeChild);
if (child)
{
ExecuteRecursive(child, hasMeshPicked);
}
if (mIsDoMovPickCall)
{
if (hasMeshPicked)
{
switchNode->OnPicked(mPickInfo);
}
else
{
switchNode->OnNotPicked(mPickInfo);
}
}
}
else
{
if (mIsDoMovPickCall)
switchNode->OnNotPicked(mPickInfo);
}
//.........这里部分代码省略.........