Method newMesh

deps/physx/physx/samples/samplevehicle/SampleVehicle.cpp:428–550

}

void SampleVehicle::newMesh(const RAWMesh& data)
{
	if(LOAD_TYPE_LOOPTHELOOP==gLoadType)
	{
		PxMaterial* saved = mMaterial;
		mMaterial = mStandardMaterials[SURFACE_TYPE_TARMAC];
		PhysXSample::newMesh(data);
		mMaterial = saved;
	}
	else if(LOAD_TYPE_VEHICLE==gLoadType)
	{
		PxU32 carPart=0xffffffff;
		if(0==Ps::strcmp(data.mName,gCarPartNames[CAR_PART_CHASSIS]))
		{
			carPart=CAR_PART_CHASSIS;

			//Find the min and max of the set of verts.
			PxVec3 min(PX_MAX_F32,PX_MAX_F32,PX_MAX_F32);
			PxVec3 max(-PX_MAX_F32,-PX_MAX_F32,-PX_MAX_F32);
			for(PxU32 i=0;i<data.mNbVerts;i++)
			{
				min.x=PxMin(min.x,data.mVerts[i].x);
				min.y=PxMin(min.y,data.mVerts[i].y);
				min.z=PxMin(min.z,data.mVerts[i].z);
				max.x=PxMax(max.x,data.mVerts[i].x);
				max.y=PxMax(max.y,data.mVerts[i].y);
				max.z=PxMax(max.z,data.mVerts[i].z);
			}

			//Make sure the chassis has an aabb that is centred at (0,0,0).
			//This just makes it a lot easier to set the centre of mass offset relative to the centre of the actor.
			gChassisMeshTransform=(min+max)*0.5f;

			//Make sure wheel offsets are symmetric (they are not quite symmetric left to right or front to back).
			gWheelCentreOffsets4[CAR_PART_FRONT_LEFT_WHEEL].x=-gWheelCentreOffsets4[CAR_PART_FRONT_RIGHT_WHEEL].x;
			gWheelCentreOffsets4[CAR_PART_REAR_LEFT_WHEEL].x=-gWheelCentreOffsets4[CAR_PART_REAR_RIGHT_WHEEL].x;
			gWheelCentreOffsets4[CAR_PART_FRONT_LEFT_WHEEL].y=gWheelCentreOffsets4[CAR_PART_REAR_LEFT_WHEEL].y;
			gWheelCentreOffsets4[CAR_PART_FRONT_RIGHT_WHEEL].y=gWheelCentreOffsets4[CAR_PART_REAR_RIGHT_WHEEL].y;

			//Make an adjustment so that the the centre of the four wheels is at the origin.
			//Again, this just makes it a lot easier to set the centre of mass because we have a known point 
			//that represents the origin.  Also, it kind of makes sense that the default centre of mass is at the 
			//centre point of the wheels.
			PxF32 wheelOffsetZ=0;
			for(PxU32 i=0;i<=CAR_PART_REAR_RIGHT_WHEEL;i++)
			{
				wheelOffsetZ+=gWheelCentreOffsets4[i].z;
			}
			wheelOffsetZ*=0.25f;
			gChassisMeshTransform.z+=wheelOffsetZ;

			//Reposition the mesh verts.
			PxVec3* verts = const_cast<PxVec3*>(data.mVerts);
			for(PxU32 i=0;i<data.mNbVerts;i++)
			{
				verts[i]-=gChassisMeshTransform;
			}