示例#1
0
void SWDynamicTree2D::query( tarray<tuint>& result, const taabb2d& aabb ) const
{
	result.clear();

	tlist<tuint> suspects;
	suspects.push_back( m_rootID );

	while ( suspects.size() > 0 )
	{
		tuint nodeID = suspects.front();
		suspects.pop_front();

		if ( nodeID == nullID ) continue;

		const TreeNode& node = m_nodes[ nodeID ];
		if ( node.aabb.collide( aabb ) )
		{
			if ( node.isLeaf() )
			{
				result.push_back( nodeID );
			}
			else
			{
				suspects.push_back( node.childID[0] );
				suspects.push_back( node.childID[1] );
			}
		}
	}
}
示例#2
0
void addDynamicOccluder(ZTransform* aTransform) 
{
	int i;

	FOccluderBox	obox;
    tvector3		extend(1,1,1);
	const tmatrix& boxmat = aTransform->GetWorldMatrix();

	for (i=0; i<8; i++)
	{
        tvector3 bvt(BoxCorners[i].x, BoxCorners[i].y, BoxCorners[i].z),bvt2;
		bvt2.TransformPoint((bvt*extend), boxmat);
        obox.mVertex[i] = vector4(bvt2.x, bvt2.y, bvt2.z, 0);
	}

	for (i=0; i<6; i++)
	{
		tvector3 cross = obox.mVertex[FaceVertexIndex[i][1]];
		cross -= obox.mVertex[FaceVertexIndex[i][0]];
		tvector3 cr2 = obox.mVertex[FaceVertexIndex[i][2]];
		cr2 -= obox.mVertex[FaceVertexIndex[i][0]];

        cross.Cross(cr2);
		obox.mPlanes[i] = vector4(cross.x, cross.y, cross.z, 0);
        obox.mPlanes[i].Normalize();
		obox.mPlanes[i].w = -DotProduct(obox.mPlanes[i], obox.mVertex[FaceVertexIndex[i][0]]);
		obox.mVertex[i].w = fabs(obox.mPlanes[i].Dot( cross));		// save area in vertex w component
	}
    obox.mCenter = vector4(boxmat.m16[12], boxmat.m16[13], boxmat.m16[14], 0);
	obox.mCenter.w = Distance(obox.mCenter, obox.mVertex[0]);
	gOccluderBoxes.push_back(obox);

}