Method drawArc

physx/source/physxextensions/src/ExtD6Joint.cpp:663–684

	struct Local
	{
		static void drawArc(PxConstraintVisualizer& _viz, const PxTransform& _cA2w, float ymin, float ymax, float zmin, float zmax, PxU32 color)
		{
			// PT: we use 32 segments for the cone case, so that's 32/4 segments per arc in the pyramid case
			const PxU32 nb = 32/4;
			PxVec3 prev(0.0f);
			for(PxU32 i=0;i<nb;i++)
			{
				const float coeff = float(i)/float(nb-1);
				const float y = coeff*ymax + (1.0f-coeff)*ymin;
				const float z = coeff*zmax + (1.0f-coeff)*zmin;

				const float r = 1.0f;
				PxMat33 my;	_setRotZ(my, z);
				PxMat33 mz;	_setRotY(mz, y);
				const PxVec3 p0 = (my*mz).transform(PxVec3(r, 0.0f, 0.0f));
				const PxVec3 p0w = _cA2w.transform(p0);
				_viz.visualizeLine(_cA2w.p, p0w, color);
				if(i)
					_viz.visualizeLine(prev, p0w, color);
				prev = p0w;
			}
		}
	};

	const PxJointLimitPyramid& l = data.pyramidSwingLimit;