tge/engine/collision/planeExtractor.cc
2025-02-17 23:17:30 -06:00

118 lines
2.9 KiB
C++
Executable File

//-----------------------------------------------------------------------------
// Torque Game Engine
// Copyright (C) GarageGames.com, Inc.
//-----------------------------------------------------------------------------
#include "platform/platform.h"
#include "dgl/dgl.h"
#include "math/mMath.h"
#include "console/console.h"
#include "collision/planeExtractor.h"
//----------------------------------------------------------------------------
// Plane matching parameters
static F32 NormalEpsilon = 0.93969; // 20 deg.
static F32 DistanceEpsilon = 100;
//----------------------------------------------------------------------------
PlaneExtractorPolyList::PlaneExtractorPolyList()
{
VECTOR_SET_ASSOCIATION(mVertexList);
VECTOR_SET_ASSOCIATION(mPolyPlaneList);
}
PlaneExtractorPolyList::~PlaneExtractorPolyList()
{
}
//----------------------------------------------------------------------------
void PlaneExtractorPolyList::clear()
{
mVertexList.clear();
mPolyPlaneList.clear();
}
U32 PlaneExtractorPolyList::addPoint(const Point3F& p)
{
mVertexList.increment();
Point3F& v = mVertexList.last();
v.x = p.x * mScale.x;
v.y = p.y * mScale.y;
v.z = p.z * mScale.z;
mMatrix.mulP(v);
return mVertexList.size() - 1;
}
U32 PlaneExtractorPolyList::addPlane(const PlaneF& plane)
{
mPolyPlaneList.increment();
mPlaneTransformer.transform(plane, mPolyPlaneList.last());
return mPolyPlaneList.size() - 1;
}
//----------------------------------------------------------------------------
void PlaneExtractorPolyList::plane(U32 v1,U32 v2,U32 v3)
{
mPlaneList->last().set(mVertexList[v1],
mVertexList[v2],mVertexList[v3]);
}
void PlaneExtractorPolyList::plane(const PlaneF& p)
{
mPlaneTransformer.transform(p, mPlaneList->last());
}
void PlaneExtractorPolyList::plane(const U32 index)
{
AssertFatal(index < mPolyPlaneList.size(), "Out of bounds index!");
mPlaneList->last() = mPolyPlaneList[index];
}
const PlaneF& PlaneExtractorPolyList::getIndexedPlane(const U32 index)
{
AssertFatal(index < mPolyPlaneList.size(), "Out of bounds index!");
return mPolyPlaneList[index];
}
//----------------------------------------------------------------------------
bool PlaneExtractorPolyList::isEmpty() const
{
return true;
}
void PlaneExtractorPolyList::begin(U32,U32)
{
mPlaneList->increment();
}
void PlaneExtractorPolyList::end()
{
// See if there are any duplicate planes
PlaneF &plane = mPlaneList->last();
PlaneF *ptr = mPlaneList->begin();
for (; ptr != &plane; ptr++)
if (mFabs(ptr->d - plane.d) < DistanceEpsilon &&
mDot(*ptr,plane) > NormalEpsilon) {
mPlaneList->decrement();
return;
}
}
void PlaneExtractorPolyList::vertex(U32)
{
}
void PlaneExtractorPolyList::render()
{
}