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Improves logical checks for the default value so it's more sane and stable

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Allows creation of polyhedrons via constructor with a origin and vector format, allowing to have default polyhedron values on triggers and physical zones
This commit is contained in:
JeffR 2022-02-14 01:07:39 -06:00
parent 68ae0ca96d
commit a0f8b29da7
5 changed files with 63 additions and 2 deletions
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47
Engine/source/math/mPolyhedron.h
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@ -307,6 +307,53 @@ struct PolyhedronImpl : public Base
this->mEdgeList = edges;
}
PolyhedronImpl(Point3F origin, Point3F vecs[3])
{
// This setup goes against conventions for Polyhedrons in that it a) sets up
// edges with CCW instead of CW order for face[0] and that it b) lets plane
// normals face outwards rather than inwards.
mPointList.setSize(8);
mPointList[0] = origin;
mPointList[1] = origin + vecs[0];
mPointList[2] = origin + vecs[1];
mPointList[3] = origin + vecs[2];
mPointList[4] = origin + vecs[0] + vecs[1];
mPointList[5] = origin + vecs[0] + vecs[2];
mPointList[6] = origin + vecs[1] + vecs[2];
mPointList[7] = origin + vecs[0] + vecs[1] + vecs[2];
Point3F normal;
mPlaneList.setSize(6);
mCross(vecs[2], vecs[0], &normal);
mPlaneList[0].set(origin, normal);
mCross(vecs[0], vecs[1], &normal);
mPlaneList[1].set(origin, normal);
mCross(vecs[1], vecs[2], &normal);
mPlaneList[2].set(origin, normal);
mCross(vecs[1], vecs[0], &normal);
mPlaneList[3].set(mPointList[7], normal);
mCross(vecs[2], vecs[1], &normal);
mPlaneList[4].set(mPointList[7], normal);
mCross(vecs[0], vecs[2], &normal);
mPlaneList[5].set(mPointList[7], normal);
mEdgeList.setSize(12);
mEdgeList[0].vertex[0] = 0; mEdgeList[0].vertex[1] = 1; mEdgeList[0].face[0] = 0; mEdgeList[0].face[1] = 1;
mEdgeList[1].vertex[0] = 1; mEdgeList[1].vertex[1] = 5; mEdgeList[1].face[0] = 0; mEdgeList[1].face[1] = 4;
mEdgeList[2].vertex[0] = 5; mEdgeList[2].vertex[1] = 3; mEdgeList[2].face[0] = 0; mEdgeList[2].face[1] = 3;
mEdgeList[3].vertex[0] = 3; mEdgeList[3].vertex[1] = 0; mEdgeList[3].face[0] = 0; mEdgeList[3].face[1] = 2;
mEdgeList[4].vertex[0] = 3; mEdgeList[4].vertex[1] = 6; mEdgeList[4].face[0] = 3; mEdgeList[4].face[1] = 2;
mEdgeList[5].vertex[0] = 6; mEdgeList[5].vertex[1] = 2; mEdgeList[5].face[0] = 2; mEdgeList[5].face[1] = 5;
mEdgeList[6].vertex[0] = 2; mEdgeList[6].vertex[1] = 0; mEdgeList[6].face[0] = 2; mEdgeList[6].face[1] = 1;
mEdgeList[7].vertex[0] = 1; mEdgeList[7].vertex[1] = 4; mEdgeList[7].face[0] = 4; mEdgeList[7].face[1] = 1;
mEdgeList[8].vertex[0] = 4; mEdgeList[8].vertex[1] = 2; mEdgeList[8].face[0] = 1; mEdgeList[8].face[1] = 5;
mEdgeList[9].vertex[0] = 4; mEdgeList[9].vertex[1] = 7; mEdgeList[9].face[0] = 4; mEdgeList[9].face[1] = 5;
mEdgeList[10].vertex[0] = 5; mEdgeList[10].vertex[1] = 7; mEdgeList[10].face[0] = 3; mEdgeList[10].face[1] = 4;
mEdgeList[11].vertex[0] = 7; mEdgeList[11].vertex[1] = 6; mEdgeList[11].face[0] = 3; mEdgeList[11].face[1] = 5;
}
/// Return the AABB around the polyhedron.
Box3F getBounds() const
{