Method draw

examples/Heightfield/HeightfieldExample.cpp:1039–1066

	}

	void draw()
	{
		if (m_guiHelper)
		{
			btAlignedObjectArray<unsigned int> indices;
			btAlignedObjectArray<btVector3FloatData> points;

			float lineColor[4] = { 1, 0.4, .4, 1 };

			for (int i = 0; i < NUMRAYS2; i++)
			{
				btVector3FloatData s, h;
				for (int w = 0; w < 4; w++)
				{
					s.m_floats[w] = source[i][w];
					h.m_floats[w] = hit[i][w];
				}

				points.push_back(s);
				points.push_back(h);
				indices.push_back(indices.size());
				indices.push_back(indices.size());
			}

			m_guiHelper->getRenderInterface()->drawLines(&points[0].m_floats[0], lineColor, points.size(), sizeof(btVector3FloatData), &indices[0], indices.size(), 1);
		}

	}
};

static btRaycastBar3 raycastBar;