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Rev	Author	Line No.	Line
1	pmbaty	1	//////////////////////////////////////////////////////////////////////////////
		2	//
		3	// Copyright (C) Microsoft Corporation. All Rights Reserved.
		4	//
		5	// File: d3dx9math.inl
		6	// Content: D3DX math inline functions
		7	//
		8	//////////////////////////////////////////////////////////////////////////////
		9
		10	#ifndef __D3DX9MATH_INL__
		11	#define __D3DX9MATH_INL__
		12
		13	//===========================================================================
		14	//
		15	// Inline Class Methods
		16	//
		17	//===========================================================================
		18
		19	#ifdef __cplusplus
		20
		21	//--------------------------
		22	// Float16
		23	//--------------------------
		24
		25	D3DXINLINE
		26	D3DXFLOAT16::D3DXFLOAT16( FLOAT f )
		27	{
		28	D3DXFloat32To16Array(this, &f, 1);
		29	}
		30
		31	D3DXINLINE
		32	D3DXFLOAT16::D3DXFLOAT16( CONST D3DXFLOAT16& f )
		33	{
		34	value = f.value;
		35	}
		36
		37	// casting
		38	D3DXINLINE
		39	D3DXFLOAT16::operator FLOAT ()
		40	{
		41	FLOAT f;
		42	D3DXFloat16To32Array(&f, this, 1);
		43	return f;
		44	}
		45
		46	// binary operators
		47	D3DXINLINE BOOL
		48	D3DXFLOAT16::operator == ( CONST D3DXFLOAT16& f ) const
		49	{
		50	return value == f.value;
		51	}
		52
		53	D3DXINLINE BOOL
		54	D3DXFLOAT16::operator != ( CONST D3DXFLOAT16& f ) const
		55	{
		56	return value != f.value;
		57	}
		58
		59
		60	//--------------------------
		61	// 2D Vector
		62	//--------------------------
		63
		64	D3DXINLINE
		65	D3DXVECTOR2::D3DXVECTOR2( CONST FLOAT *pf )
		66	{
		67	#ifdef D3DX_DEBUG
		68	if(!pf)
		69	return;
		70	#endif
		71
		72	x = pf[0];
		73	y = pf[1];
		74	}
		75
		76	D3DXINLINE
		77	D3DXVECTOR2::D3DXVECTOR2( CONST D3DXFLOAT16 *pf )
		78	{
		79	#ifdef D3DX_DEBUG
		80	if(!pf)
		81	return;
		82	#endif
		83
		84	D3DXFloat16To32Array(&x, pf, 2);
		85	}
		86
		87	D3DXINLINE
		88	D3DXVECTOR2::D3DXVECTOR2( FLOAT fx, FLOAT fy )
		89	{
		90	x = fx;
		91	y = fy;
		92	}
		93
		94
		95	// casting
		96	D3DXINLINE
		97	D3DXVECTOR2::operator FLOAT* ()
		98	{
		99	return (FLOAT *) &x;
		100	}
		101
		102	D3DXINLINE
		103	D3DXVECTOR2::operator CONST FLOAT* () const
		104	{
		105	return (CONST FLOAT *) &x;
		106	}
		107
		108
		109	// assignment operators
		110	D3DXINLINE D3DXVECTOR2&
		111	D3DXVECTOR2::operator += ( CONST D3DXVECTOR2& v )
		112	{
		113	x += v.x;
		114	y += v.y;
		115	return *this;
		116	}
		117
		118	D3DXINLINE D3DXVECTOR2&
		119	D3DXVECTOR2::operator -= ( CONST D3DXVECTOR2& v )
		120	{
		121	x -= v.x;
		122	y -= v.y;
		123	return *this;
		124	}
		125
		126	D3DXINLINE D3DXVECTOR2&
		127	D3DXVECTOR2::operator *= ( FLOAT f )
		128	{
		129	x *= f;
		130	y *= f;
		131	return *this;
		132	}
		133
		134	D3DXINLINE D3DXVECTOR2&
		135	D3DXVECTOR2::operator /= ( FLOAT f )
		136	{
		137	FLOAT fInv = 1.0f / f;
		138	x *= fInv;
		139	y *= fInv;
		140	return *this;
		141	}
		142
		143
		144	// unary operators
		145	D3DXINLINE D3DXVECTOR2
		146	D3DXVECTOR2::operator + () const
		147	{
		148	return *this;
		149	}
		150
		151	D3DXINLINE D3DXVECTOR2
		152	D3DXVECTOR2::operator - () const
		153	{
		154	return D3DXVECTOR2(-x, -y);
		155	}
		156
		157
		158	// binary operators
		159	D3DXINLINE D3DXVECTOR2
		160	D3DXVECTOR2::operator + ( CONST D3DXVECTOR2& v ) const
		161	{
		162	return D3DXVECTOR2(x + v.x, y + v.y);
		163	}
		164
		165	D3DXINLINE D3DXVECTOR2
		166	D3DXVECTOR2::operator - ( CONST D3DXVECTOR2& v ) const
		167	{
		168	return D3DXVECTOR2(x - v.x, y - v.y);
		169	}
		170
		171	D3DXINLINE D3DXVECTOR2
		172	D3DXVECTOR2::operator * ( FLOAT f ) const
		173	{
		174	return D3DXVECTOR2(x * f, y * f);
		175	}
		176
		177	D3DXINLINE D3DXVECTOR2
		178	D3DXVECTOR2::operator / ( FLOAT f ) const
		179	{
		180	FLOAT fInv = 1.0f / f;
		181	return D3DXVECTOR2(x * fInv, y * fInv);
		182	}
		183
		184	D3DXINLINE D3DXVECTOR2
		185	operator * ( FLOAT f, CONST D3DXVECTOR2& v )
		186	{
		187	return D3DXVECTOR2(f * v.x, f * v.y);
		188	}
		189
		190	D3DXINLINE BOOL
		191	D3DXVECTOR2::operator == ( CONST D3DXVECTOR2& v ) const
		192	{
		193	return x == v.x && y == v.y;
		194	}
		195
		196	D3DXINLINE BOOL
		197	D3DXVECTOR2::operator != ( CONST D3DXVECTOR2& v ) const
		198	{
		199	return x != v.x \|\| y != v.y;
		200	}
		201
		202
		203
		204	//--------------------------
		205	// 2D Vector (16 bit)
		206	//--------------------------
		207
		208	D3DXINLINE
		209	D3DXVECTOR2_16F::D3DXVECTOR2_16F( CONST FLOAT *pf )
		210	{
		211	#ifdef D3DX_DEBUG
		212	if(!pf)
		213	return;
		214	#endif
		215
		216	D3DXFloat32To16Array(&x, pf, 2);
		217	}
		218
		219	D3DXINLINE
		220	D3DXVECTOR2_16F::D3DXVECTOR2_16F( CONST D3DXFLOAT16 *pf )
		221	{
		222	#ifdef D3DX_DEBUG
		223	if(!pf)
		224	return;
		225	#endif
		226
		227	((DWORD ) &x) = ((DWORD ) &pf[0]);
		228	}
		229
		230	D3DXINLINE
		231	D3DXVECTOR2_16F::D3DXVECTOR2_16F( CONST D3DXFLOAT16 &fx, CONST D3DXFLOAT16 &fy )
		232	{
		233	x = fx;
		234	y = fy;
		235	}
		236
		237
		238	// casting
		239	D3DXINLINE
		240	D3DXVECTOR2_16F::operator D3DXFLOAT16* ()
		241	{
		242	return (D3DXFLOAT16*) &x;
		243	}
		244
		245	D3DXINLINE
		246	D3DXVECTOR2_16F::operator CONST D3DXFLOAT16* () const
		247	{
		248	return (CONST D3DXFLOAT16*) &x;
		249	}
		250
		251
		252	// binary operators
		253	D3DXINLINE BOOL
		254	D3DXVECTOR2_16F::operator == ( CONST D3DXVECTOR2_16F &v ) const
		255	{
		256	return ((DWORD ) &x) == ((DWORD ) &v.x);
		257	}
		258
		259	D3DXINLINE BOOL
		260	D3DXVECTOR2_16F::operator != ( CONST D3DXVECTOR2_16F &v ) const
		261	{
		262	return ((DWORD ) &x) != ((DWORD ) &v.x);
		263	}
		264
		265
		266	//--------------------------
		267	// 3D Vector
		268	//--------------------------
		269	D3DXINLINE
		270	D3DXVECTOR3::D3DXVECTOR3( CONST FLOAT *pf )
		271	{
		272	#ifdef D3DX_DEBUG
		273	if(!pf)
		274	return;
		275	#endif
		276
		277	x = pf[0];
		278	y = pf[1];
		279	z = pf[2];
		280	}
		281
		282	D3DXINLINE
		283	D3DXVECTOR3::D3DXVECTOR3( CONST D3DVECTOR& v )
		284	{
		285	x = v.x;
		286	y = v.y;
		287	z = v.z;
		288	}
		289
		290	D3DXINLINE
		291	D3DXVECTOR3::D3DXVECTOR3( CONST D3DXFLOAT16 *pf )
		292	{
		293	#ifdef D3DX_DEBUG
		294	if(!pf)
		295	return;
		296	#endif
		297
		298	D3DXFloat16To32Array(&x, pf, 3);
		299	}
		300
		301	D3DXINLINE
		302	D3DXVECTOR3::D3DXVECTOR3( FLOAT fx, FLOAT fy, FLOAT fz )
		303	{
		304	x = fx;
		305	y = fy;
		306	z = fz;
		307	}
		308
		309
		310	// casting
		311	D3DXINLINE
		312	D3DXVECTOR3::operator FLOAT* ()
		313	{
		314	return (FLOAT *) &x;
		315	}
		316
		317	D3DXINLINE
		318	D3DXVECTOR3::operator CONST FLOAT* () const
		319	{
		320	return (CONST FLOAT *) &x;
		321	}
		322
		323
		324	// assignment operators
		325	D3DXINLINE D3DXVECTOR3&
		326	D3DXVECTOR3::operator += ( CONST D3DXVECTOR3& v )
		327	{
		328	x += v.x;
		329	y += v.y;
		330	z += v.z;
		331	return *this;
		332	}
		333
		334	D3DXINLINE D3DXVECTOR3&
		335	D3DXVECTOR3::operator -= ( CONST D3DXVECTOR3& v )
		336	{
		337	x -= v.x;
		338	y -= v.y;
		339	z -= v.z;
		340	return *this;
		341	}
		342
		343	D3DXINLINE D3DXVECTOR3&
		344	D3DXVECTOR3::operator *= ( FLOAT f )
		345	{
		346	x *= f;
		347	y *= f;
		348	z *= f;
		349	return *this;
		350	}
		351
		352	D3DXINLINE D3DXVECTOR3&
		353	D3DXVECTOR3::operator /= ( FLOAT f )
		354	{
		355	FLOAT fInv = 1.0f / f;
		356	x *= fInv;
		357	y *= fInv;
		358	z *= fInv;
		359	return *this;
		360	}
		361
		362
		363	// unary operators
		364	D3DXINLINE D3DXVECTOR3
		365	D3DXVECTOR3::operator + () const
		366	{
		367	return *this;
		368	}
		369
		370	D3DXINLINE D3DXVECTOR3
		371	D3DXVECTOR3::operator - () const
		372	{
		373	return D3DXVECTOR3(-x, -y, -z);
		374	}
		375
		376
		377	// binary operators
		378	D3DXINLINE D3DXVECTOR3
		379	D3DXVECTOR3::operator + ( CONST D3DXVECTOR3& v ) const
		380	{
		381	return D3DXVECTOR3(x + v.x, y + v.y, z + v.z);
		382	}
		383
		384	D3DXINLINE D3DXVECTOR3
		385	D3DXVECTOR3::operator - ( CONST D3DXVECTOR3& v ) const
		386	{
		387	return D3DXVECTOR3(x - v.x, y - v.y, z - v.z);
		388	}
		389
		390	D3DXINLINE D3DXVECTOR3
		391	D3DXVECTOR3::operator * ( FLOAT f ) const
		392	{
		393	return D3DXVECTOR3(x * f, y * f, z * f);
		394	}
		395
		396	D3DXINLINE D3DXVECTOR3
		397	D3DXVECTOR3::operator / ( FLOAT f ) const
		398	{
		399	FLOAT fInv = 1.0f / f;
		400	return D3DXVECTOR3(x * fInv, y * fInv, z * fInv);
		401	}
		402
		403
		404	D3DXINLINE D3DXVECTOR3
		405	operator * ( FLOAT f, CONST struct D3DXVECTOR3& v )
		406	{
		407	return D3DXVECTOR3(f * v.x, f * v.y, f * v.z);
		408	}
		409
		410
		411	D3DXINLINE BOOL
		412	D3DXVECTOR3::operator == ( CONST D3DXVECTOR3& v ) const
		413	{
		414	return x == v.x && y == v.y && z == v.z;
		415	}
		416
		417	D3DXINLINE BOOL
		418	D3DXVECTOR3::operator != ( CONST D3DXVECTOR3& v ) const
		419	{
		420	return x != v.x \|\| y != v.y \|\| z != v.z;
		421	}
		422
		423
		424
		425	//--------------------------
		426	// 3D Vector (16 bit)
		427	//--------------------------
		428
		429	D3DXINLINE
		430	D3DXVECTOR3_16F::D3DXVECTOR3_16F( CONST FLOAT *pf )
		431	{
		432	#ifdef D3DX_DEBUG
		433	if(!pf)
		434	return;
		435	#endif
		436
		437	D3DXFloat32To16Array(&x, pf, 3);
		438	}
		439
		440	D3DXINLINE
		441	D3DXVECTOR3_16F::D3DXVECTOR3_16F( CONST D3DVECTOR& v )
		442	{
		443	D3DXFloat32To16Array(&x, &v.x, 1);
		444	D3DXFloat32To16Array(&y, &v.y, 1);
		445	D3DXFloat32To16Array(&z, &v.z, 1);
		446	}
		447
		448	D3DXINLINE
		449	D3DXVECTOR3_16F::D3DXVECTOR3_16F( CONST D3DXFLOAT16 *pf )
		450	{
		451	#ifdef D3DX_DEBUG
		452	if(!pf)
		453	return;
		454	#endif
		455
		456	((DWORD ) &x) = ((DWORD ) &pf[0]);
		457	((WORD ) &z) = ((WORD ) &pf[2]);
		458	}
		459
		460	D3DXINLINE
		461	D3DXVECTOR3_16F::D3DXVECTOR3_16F( CONST D3DXFLOAT16 &fx, CONST D3DXFLOAT16 &fy, CONST D3DXFLOAT16 &fz )
		462	{
		463	x = fx;
		464	y = fy;
		465	z = fz;
		466	}
		467
		468
		469	// casting
		470	D3DXINLINE
		471	D3DXVECTOR3_16F::operator D3DXFLOAT16* ()
		472	{
		473	return (D3DXFLOAT16*) &x;
		474	}
		475
		476	D3DXINLINE
		477	D3DXVECTOR3_16F::operator CONST D3DXFLOAT16* () const
		478	{
		479	return (CONST D3DXFLOAT16*) &x;
		480	}
		481
		482
		483	// binary operators
		484	D3DXINLINE BOOL
		485	D3DXVECTOR3_16F::operator == ( CONST D3DXVECTOR3_16F &v ) const
		486	{
		487	return ((DWORD ) &x) == ((DWORD ) &v.x) &&
		488	((WORD ) &z) == ((WORD ) &v.z);
		489	}
		490
		491	D3DXINLINE BOOL
		492	D3DXVECTOR3_16F::operator != ( CONST D3DXVECTOR3_16F &v ) const
		493	{
		494	return ((DWORD ) &x) != ((DWORD ) &v.x) \|\|
		495	((WORD ) &z) != ((WORD ) &v.z);
		496	}
		497
		498
		499	//--------------------------
		500	// 4D Vector
		501	//--------------------------
		502	D3DXINLINE
		503	D3DXVECTOR4::D3DXVECTOR4( CONST FLOAT *pf )
		504	{
		505	#ifdef D3DX_DEBUG
		506	if(!pf)
		507	return;
		508	#endif
		509
		510	x = pf[0];
		511	y = pf[1];
		512	z = pf[2];
		513	w = pf[3];
		514	}
		515
		516	D3DXINLINE
		517	D3DXVECTOR4::D3DXVECTOR4( CONST D3DXFLOAT16 *pf )
		518	{
		519	#ifdef D3DX_DEBUG
		520	if(!pf)
		521	return;
		522	#endif
		523
		524	D3DXFloat16To32Array(&x, pf, 4);
		525	}
		526
		527	D3DXINLINE
		528	D3DXVECTOR4::D3DXVECTOR4( CONST D3DVECTOR& v, FLOAT f )
		529	{
		530	x = v.x;
		531	y = v.y;
		532	z = v.z;
		533	w = f;
		534	}
		535
		536	D3DXINLINE
		537	D3DXVECTOR4::D3DXVECTOR4( FLOAT fx, FLOAT fy, FLOAT fz, FLOAT fw )
		538	{
		539	x = fx;
		540	y = fy;
		541	z = fz;
		542	w = fw;
		543	}
		544
		545
		546	// casting
		547	D3DXINLINE
		548	D3DXVECTOR4::operator FLOAT* ()
		549	{
		550	return (FLOAT *) &x;
		551	}
		552
		553	D3DXINLINE
		554	D3DXVECTOR4::operator CONST FLOAT* () const
		555	{
		556	return (CONST FLOAT *) &x;
		557	}
		558
		559
		560	// assignment operators
		561	D3DXINLINE D3DXVECTOR4&
		562	D3DXVECTOR4::operator += ( CONST D3DXVECTOR4& v )
		563	{
		564	x += v.x;
		565	y += v.y;
		566	z += v.z;
		567	w += v.w;
		568	return *this;
		569	}
		570
		571	D3DXINLINE D3DXVECTOR4&
		572	D3DXVECTOR4::operator -= ( CONST D3DXVECTOR4& v )
		573	{
		574	x -= v.x;
		575	y -= v.y;
		576	z -= v.z;
		577	w -= v.w;
		578	return *this;
		579	}
		580
		581	D3DXINLINE D3DXVECTOR4&
		582	D3DXVECTOR4::operator *= ( FLOAT f )
		583	{
		584	x *= f;
		585	y *= f;
		586	z *= f;
		587	w *= f;
		588	return *this;
		589	}
		590
		591	D3DXINLINE D3DXVECTOR4&
		592	D3DXVECTOR4::operator /= ( FLOAT f )
		593	{
		594	FLOAT fInv = 1.0f / f;
		595	x *= fInv;
		596	y *= fInv;
		597	z *= fInv;
		598	w *= fInv;
		599	return *this;
		600	}
		601
		602
		603	// unary operators
		604	D3DXINLINE D3DXVECTOR4
		605	D3DXVECTOR4::operator + () const
		606	{
		607	return *this;
		608	}
		609
		610	D3DXINLINE D3DXVECTOR4
		611	D3DXVECTOR4::operator - () const
		612	{
		613	return D3DXVECTOR4(-x, -y, -z, -w);
		614	}
		615
		616
		617	// binary operators
		618	D3DXINLINE D3DXVECTOR4
		619	D3DXVECTOR4::operator + ( CONST D3DXVECTOR4& v ) const
		620	{
		621	return D3DXVECTOR4(x + v.x, y + v.y, z + v.z, w + v.w);
		622	}
		623
		624	D3DXINLINE D3DXVECTOR4
		625	D3DXVECTOR4::operator - ( CONST D3DXVECTOR4& v ) const
		626	{
		627	return D3DXVECTOR4(x - v.x, y - v.y, z - v.z, w - v.w);
		628	}
		629
		630	D3DXINLINE D3DXVECTOR4
		631	D3DXVECTOR4::operator * ( FLOAT f ) const
		632	{
		633	return D3DXVECTOR4(x * f, y * f, z * f, w * f);
		634	}
		635
		636	D3DXINLINE D3DXVECTOR4
		637	D3DXVECTOR4::operator / ( FLOAT f ) const
		638	{
		639	FLOAT fInv = 1.0f / f;
		640	return D3DXVECTOR4(x * fInv, y * fInv, z * fInv, w * fInv);
		641	}
		642
		643	D3DXINLINE D3DXVECTOR4
		644	operator * ( FLOAT f, CONST D3DXVECTOR4& v )
		645	{
		646	return D3DXVECTOR4(f * v.x, f * v.y, f * v.z, f * v.w);
		647	}
		648
		649
		650	D3DXINLINE BOOL
		651	D3DXVECTOR4::operator == ( CONST D3DXVECTOR4& v ) const
		652	{
		653	return x == v.x && y == v.y && z == v.z && w == v.w;
		654	}
		655
		656	D3DXINLINE BOOL
		657	D3DXVECTOR4::operator != ( CONST D3DXVECTOR4& v ) const
		658	{
		659	return x != v.x \|\| y != v.y \|\| z != v.z \|\| w != v.w;
		660	}
		661
		662
		663
		664	//--------------------------
		665	// 4D Vector (16 bit)
		666	//--------------------------
		667
		668	D3DXINLINE
		669	D3DXVECTOR4_16F::D3DXVECTOR4_16F( CONST FLOAT *pf )
		670	{
		671	#ifdef D3DX_DEBUG
		672	if(!pf)
		673	return;
		674	#endif
		675
		676	D3DXFloat32To16Array(&x, pf, 4);
		677	}
		678
		679	D3DXINLINE
		680	D3DXVECTOR4_16F::D3DXVECTOR4_16F( CONST D3DXFLOAT16 *pf )
		681	{
		682	#ifdef D3DX_DEBUG
		683	if(!pf)
		684	return;
		685	#endif
		686
		687	((DWORD ) &x) = ((DWORD ) &pf[0]);
		688	((DWORD ) &z) = ((DWORD ) &pf[2]);
		689	}
		690
		691	D3DXINLINE
		692	D3DXVECTOR4_16F::D3DXVECTOR4_16F( CONST D3DXVECTOR3_16F& v, CONST D3DXFLOAT16& f )
		693	{
		694	x = v.x;
		695	y = v.y;
		696	z = v.z;
		697	w = f;
		698	}
		699
		700	D3DXINLINE
		701	D3DXVECTOR4_16F::D3DXVECTOR4_16F( CONST D3DXFLOAT16 &fx, CONST D3DXFLOAT16 &fy, CONST D3DXFLOAT16 &fz, CONST D3DXFLOAT16 &fw )
		702	{
		703	x = fx;
		704	y = fy;
		705	z = fz;
		706	w = fw;
		707	}
		708
		709
		710	// casting
		711	D3DXINLINE
		712	D3DXVECTOR4_16F::operator D3DXFLOAT16* ()
		713	{
		714	return (D3DXFLOAT16*) &x;
		715	}
		716
		717	D3DXINLINE
		718	D3DXVECTOR4_16F::operator CONST D3DXFLOAT16* () const
		719	{
		720	return (CONST D3DXFLOAT16*) &x;
		721	}
		722
		723
		724	// binary operators
		725	D3DXINLINE BOOL
		726	D3DXVECTOR4_16F::operator == ( CONST D3DXVECTOR4_16F &v ) const
		727	{
		728	return ((DWORD ) &x) == ((DWORD ) &v.x) &&
		729	((DWORD ) &z) == ((DWORD ) &v.z);
		730	}
		731
		732	D3DXINLINE BOOL
		733	D3DXVECTOR4_16F::operator != ( CONST D3DXVECTOR4_16F &v ) const
		734	{
		735	return ((DWORD ) &x) != ((DWORD ) &v.x) \|\|
		736	((DWORD ) &z) != ((DWORD ) &v.z);
		737	}
		738
		739
		740	//--------------------------
		741	// Matrix
		742	//--------------------------
		743	D3DXINLINE
		744	D3DXMATRIX::D3DXMATRIX( CONST FLOAT* pf )
		745	{
		746	#ifdef D3DX_DEBUG
		747	if(!pf)
		748	return;
		749	#endif
		750
		751	memcpy(&_11, pf, sizeof(D3DXMATRIX));
		752	}
		753
		754	D3DXINLINE
		755	D3DXMATRIX::D3DXMATRIX( CONST D3DMATRIX& mat )
		756	{
		757	memcpy(&_11, &mat, sizeof(D3DXMATRIX));
		758	}
		759
		760	D3DXINLINE
		761	D3DXMATRIX::D3DXMATRIX( CONST D3DXFLOAT16* pf )
		762	{
		763	#ifdef D3DX_DEBUG
		764	if(!pf)
		765	return;
		766	#endif
		767
		768	D3DXFloat16To32Array(&_11, pf, 16);
		769	}
		770
		771	D3DXINLINE
		772	D3DXMATRIX::D3DXMATRIX( FLOAT f11, FLOAT f12, FLOAT f13, FLOAT f14,
		773	FLOAT f21, FLOAT f22, FLOAT f23, FLOAT f24,
		774	FLOAT f31, FLOAT f32, FLOAT f33, FLOAT f34,
		775	FLOAT f41, FLOAT f42, FLOAT f43, FLOAT f44 )
		776	{
		777	_11 = f11; _12 = f12; _13 = f13; _14 = f14;
		778	_21 = f21; _22 = f22; _23 = f23; _24 = f24;
		779	_31 = f31; _32 = f32; _33 = f33; _34 = f34;
		780	_41 = f41; _42 = f42; _43 = f43; _44 = f44;
		781	}
		782
		783
		784
		785	// access grants
		786	D3DXINLINE FLOAT&
		787	D3DXMATRIX::operator () ( UINT iRow, UINT iCol )
		788	{
		789	return m[iRow][iCol];
		790	}
		791
		792	D3DXINLINE FLOAT
		793	D3DXMATRIX::operator () ( UINT iRow, UINT iCol ) const
		794	{
		795	return m[iRow][iCol];
		796	}
		797
		798
		799	// casting operators
		800	D3DXINLINE
		801	D3DXMATRIX::operator FLOAT* ()
		802	{
		803	return (FLOAT *) &_11;
		804	}
		805
		806	D3DXINLINE
		807	D3DXMATRIX::operator CONST FLOAT* () const
		808	{
		809	return (CONST FLOAT *) &_11;
		810	}
		811
		812
		813	// assignment operators
		814	D3DXINLINE D3DXMATRIX&
		815	D3DXMATRIX::operator *= ( CONST D3DXMATRIX& mat )
		816	{
		817	D3DXMatrixMultiply(this, this, &mat);
		818	return *this;
		819	}
		820
		821	D3DXINLINE D3DXMATRIX&
		822	D3DXMATRIX::operator += ( CONST D3DXMATRIX& mat )
		823	{
		824	_11 += mat._11; _12 += mat._12; _13 += mat._13; _14 += mat._14;
		825	_21 += mat._21; _22 += mat._22; _23 += mat._23; _24 += mat._24;
		826	_31 += mat._31; _32 += mat._32; _33 += mat._33; _34 += mat._34;
		827	_41 += mat._41; _42 += mat._42; _43 += mat._43; _44 += mat._44;
		828	return *this;
		829	}
		830
		831	D3DXINLINE D3DXMATRIX&
		832	D3DXMATRIX::operator -= ( CONST D3DXMATRIX& mat )
		833	{
		834	_11 -= mat._11; _12 -= mat._12; _13 -= mat._13; _14 -= mat._14;
		835	_21 -= mat._21; _22 -= mat._22; _23 -= mat._23; _24 -= mat._24;
		836	_31 -= mat._31; _32 -= mat._32; _33 -= mat._33; _34 -= mat._34;
		837	_41 -= mat._41; _42 -= mat._42; _43 -= mat._43; _44 -= mat._44;
		838	return *this;
		839	}
		840
		841	D3DXINLINE D3DXMATRIX&
		842	D3DXMATRIX::operator *= ( FLOAT f )
		843	{
		844	_11 = f; _12 = f; _13 = f; _14 = f;
		845	_21 = f; _22 = f; _23 = f; _24 = f;
		846	_31 = f; _32 = f; _33 = f; _34 = f;
		847	_41 = f; _42 = f; _43 = f; _44 = f;
		848	return *this;
		849	}
		850
		851	D3DXINLINE D3DXMATRIX&
		852	D3DXMATRIX::operator /= ( FLOAT f )
		853	{
		854	FLOAT fInv = 1.0f / f;
		855	_11 = fInv; _12 = fInv; _13 = fInv; _14 = fInv;
		856	_21 = fInv; _22 = fInv; _23 = fInv; _24 = fInv;
		857	_31 = fInv; _32 = fInv; _33 = fInv; _34 = fInv;
		858	_41 = fInv; _42 = fInv; _43 = fInv; _44 = fInv;
		859	return *this;
		860	}
		861
		862
		863	// unary operators
		864	D3DXINLINE D3DXMATRIX
		865	D3DXMATRIX::operator + () const
		866	{
		867	return *this;
		868	}
		869
		870	D3DXINLINE D3DXMATRIX
		871	D3DXMATRIX::operator - () const
		872	{
		873	return D3DXMATRIX(-_11, -_12, -_13, -_14,
		874	-_21, -_22, -_23, -_24,
		875	-_31, -_32, -_33, -_34,
		876	-_41, -_42, -_43, -_44);
		877	}
		878
		879
		880	// binary operators
		881	D3DXINLINE D3DXMATRIX
		882	D3DXMATRIX::operator * ( CONST D3DXMATRIX& mat ) const
		883	{
		884	D3DXMATRIX matT;
		885	D3DXMatrixMultiply(&matT, this, &mat);
		886	return matT;
		887	}
		888
		889	D3DXINLINE D3DXMATRIX
		890	D3DXMATRIX::operator + ( CONST D3DXMATRIX& mat ) const
		891	{
		892	return D3DXMATRIX(_11 + mat._11, _12 + mat._12, _13 + mat._13, _14 + mat._14,
		893	_21 + mat._21, _22 + mat._22, _23 + mat._23, _24 + mat._24,
		894	_31 + mat._31, _32 + mat._32, _33 + mat._33, _34 + mat._34,
		895	_41 + mat._41, _42 + mat._42, _43 + mat._43, _44 + mat._44);
		896	}
		897
		898	D3DXINLINE D3DXMATRIX
		899	D3DXMATRIX::operator - ( CONST D3DXMATRIX& mat ) const
		900	{
		901	return D3DXMATRIX(_11 - mat._11, _12 - mat._12, _13 - mat._13, _14 - mat._14,
		902	_21 - mat._21, _22 - mat._22, _23 - mat._23, _24 - mat._24,
		903	_31 - mat._31, _32 - mat._32, _33 - mat._33, _34 - mat._34,
		904	_41 - mat._41, _42 - mat._42, _43 - mat._43, _44 - mat._44);
		905	}
		906
		907	D3DXINLINE D3DXMATRIX
		908	D3DXMATRIX::operator * ( FLOAT f ) const
		909	{
		910	return D3DXMATRIX(_11 * f, _12 * f, _13 * f, _14 * f,
		911	_21 * f, _22 * f, _23 * f, _24 * f,
		912	_31 * f, _32 * f, _33 * f, _34 * f,
		913	_41 * f, _42 * f, _43 * f, _44 * f);
		914	}
		915
		916	D3DXINLINE D3DXMATRIX
		917	D3DXMATRIX::operator / ( FLOAT f ) const
		918	{
		919	FLOAT fInv = 1.0f / f;
		920	return D3DXMATRIX(_11 * fInv, _12 * fInv, _13 * fInv, _14 * fInv,
		921	_21 * fInv, _22 * fInv, _23 * fInv, _24 * fInv,
		922	_31 * fInv, _32 * fInv, _33 * fInv, _34 * fInv,
		923	_41 * fInv, _42 * fInv, _43 * fInv, _44 * fInv);
		924	}
		925
		926
		927	D3DXINLINE D3DXMATRIX
		928	operator * ( FLOAT f, CONST D3DXMATRIX& mat )
		929	{
		930	return D3DXMATRIX(f * mat._11, f * mat._12, f * mat._13, f * mat._14,
		931	f * mat._21, f * mat._22, f * mat._23, f * mat._24,
		932	f * mat._31, f * mat._32, f * mat._33, f * mat._34,
		933	f * mat._41, f * mat._42, f * mat._43, f * mat._44);
		934	}
		935
		936
		937	D3DXINLINE BOOL
		938	D3DXMATRIX::operator == ( CONST D3DXMATRIX& mat ) const
		939	{
		940	return 0 == memcmp(this, &mat, sizeof(D3DXMATRIX));
		941	}
		942
		943	D3DXINLINE BOOL
		944	D3DXMATRIX::operator != ( CONST D3DXMATRIX& mat ) const
		945	{
		946	return 0 != memcmp(this, &mat, sizeof(D3DXMATRIX));
		947	}
		948
		949
		950
		951	//--------------------------
		952	// Aligned Matrices
		953	//--------------------------
		954
		955	D3DXINLINE
		956	_D3DXMATRIXA16::_D3DXMATRIXA16( CONST FLOAT* f ) :
		957	D3DXMATRIX( f )
		958	{
		959	}
		960
		961	D3DXINLINE
		962	_D3DXMATRIXA16::_D3DXMATRIXA16( CONST D3DMATRIX& m ) :
		963	D3DXMATRIX( m )
		964	{
		965	}
		966
		967	D3DXINLINE
		968	_D3DXMATRIXA16::_D3DXMATRIXA16( CONST D3DXFLOAT16* f ) :
		969	D3DXMATRIX( f )
		970	{
		971	}
		972
		973	D3DXINLINE
		974	_D3DXMATRIXA16::_D3DXMATRIXA16( FLOAT _11, FLOAT _12, FLOAT _13, FLOAT _14,
		975	FLOAT _21, FLOAT _22, FLOAT _23, FLOAT _24,
		976	FLOAT _31, FLOAT _32, FLOAT _33, FLOAT _34,
		977	FLOAT _41, FLOAT _42, FLOAT _43, FLOAT _44 ) :
		978	D3DXMATRIX(_11, _12, _13, _14,
		979	_21, _22, _23, _24,
		980	_31, _32, _33, _34,
		981	_41, _42, _43, _44)
		982	{
		983	}
		984
		985	#ifndef SIZE_MAX
		986	#define SIZE_MAX ((SIZE_T)-1)
		987	#endif
		988
		989	D3DXINLINE void*
		990	_D3DXMATRIXA16::operator new( size_t s )
		991	{
		992	if (s > (SIZE_MAX-16))
		993	return NULL;
		994	LPBYTE p = ::new BYTE[s + 16];
		995	if (p)
		996	{
		997	BYTE offset = (BYTE)(16 - ((UINT_PTR)p & 15));
		998	p += offset;
		999	p[-1] = offset;
		1000	}
		1001	return p;
		1002	}
		1003
		1004	D3DXINLINE void*
		1005	_D3DXMATRIXA16::operator new[]( size_t s )
		1006	{
		1007	if (s > (SIZE_MAX-16))
		1008	return NULL;
		1009	LPBYTE p = ::new BYTE[s + 16];
		1010	if (p)
		1011	{
		1012	BYTE offset = (BYTE)(16 - ((UINT_PTR)p & 15));
		1013	p += offset;
		1014	p[-1] = offset;
		1015	}
		1016	return p;
		1017	}
		1018
		1019	D3DXINLINE void
		1020	_D3DXMATRIXA16::operator delete(void* p)
		1021	{
		1022	if(p)
		1023	{
		1024	BYTE* pb = static_cast<BYTE*>(p);
		1025	pb -= pb[-1];
		1026	::delete [] pb;
		1027	}
		1028	}
		1029
		1030	D3DXINLINE void
		1031	_D3DXMATRIXA16::operator delete[](void* p)
		1032	{
		1033	if(p)
		1034	{
		1035	BYTE* pb = static_cast<BYTE*>(p);
		1036	pb -= pb[-1];
		1037	::delete [] pb;
		1038	}
		1039	}
		1040
		1041	D3DXINLINE _D3DXMATRIXA16&
		1042	_D3DXMATRIXA16::operator=(CONST D3DXMATRIX& rhs)
		1043	{
		1044	memcpy(&_11, &rhs, sizeof(D3DXMATRIX));
		1045	return *this;
		1046	}
		1047
		1048
		1049	//--------------------------
		1050	// Quaternion
		1051	//--------------------------
		1052
		1053	D3DXINLINE
		1054	D3DXQUATERNION::D3DXQUATERNION( CONST FLOAT* pf )
		1055	{
		1056	#ifdef D3DX_DEBUG
		1057	if(!pf)
		1058	return;
		1059	#endif
		1060
		1061	x = pf[0];
		1062	y = pf[1];
		1063	z = pf[2];
		1064	w = pf[3];
		1065	}
		1066
		1067	D3DXINLINE
		1068	D3DXQUATERNION::D3DXQUATERNION( CONST D3DXFLOAT16* pf )
		1069	{
		1070	#ifdef D3DX_DEBUG
		1071	if(!pf)
		1072	return;
		1073	#endif
		1074
		1075	D3DXFloat16To32Array(&x, pf, 4);
		1076	}
		1077
		1078	D3DXINLINE
		1079	D3DXQUATERNION::D3DXQUATERNION( FLOAT fx, FLOAT fy, FLOAT fz, FLOAT fw )
		1080	{
		1081	x = fx;
		1082	y = fy;
		1083	z = fz;
		1084	w = fw;
		1085	}
		1086
		1087
		1088	// casting
		1089	D3DXINLINE
		1090	D3DXQUATERNION::operator FLOAT* ()
		1091	{
		1092	return (FLOAT *) &x;
		1093	}
		1094
		1095	D3DXINLINE
		1096	D3DXQUATERNION::operator CONST FLOAT* () const
		1097	{
		1098	return (CONST FLOAT *) &x;
		1099	}
		1100
		1101
		1102	// assignment operators
		1103	D3DXINLINE D3DXQUATERNION&
		1104	D3DXQUATERNION::operator += ( CONST D3DXQUATERNION& q )
		1105	{
		1106	x += q.x;
		1107	y += q.y;
		1108	z += q.z;
		1109	w += q.w;
		1110	return *this;
		1111	}
		1112
		1113	D3DXINLINE D3DXQUATERNION&
		1114	D3DXQUATERNION::operator -= ( CONST D3DXQUATERNION& q )
		1115	{
		1116	x -= q.x;
		1117	y -= q.y;
		1118	z -= q.z;
		1119	w -= q.w;
		1120	return *this;
		1121	}
		1122
		1123	D3DXINLINE D3DXQUATERNION&
		1124	D3DXQUATERNION::operator *= ( CONST D3DXQUATERNION& q )
		1125	{
		1126	D3DXQuaternionMultiply(this, this, &q);
		1127	return *this;
		1128	}
		1129
		1130	D3DXINLINE D3DXQUATERNION&
		1131	D3DXQUATERNION::operator *= ( FLOAT f )
		1132	{
		1133	x *= f;
		1134	y *= f;
		1135	z *= f;
		1136	w *= f;
		1137	return *this;
		1138	}
		1139
		1140	D3DXINLINE D3DXQUATERNION&
		1141	D3DXQUATERNION::operator /= ( FLOAT f )
		1142	{
		1143	FLOAT fInv = 1.0f / f;
		1144	x *= fInv;
		1145	y *= fInv;
		1146	z *= fInv;
		1147	w *= fInv;
		1148	return *this;
		1149	}
		1150
		1151
		1152	// unary operators
		1153	D3DXINLINE D3DXQUATERNION
		1154	D3DXQUATERNION::operator + () const
		1155	{
		1156	return *this;
		1157	}
		1158
		1159	D3DXINLINE D3DXQUATERNION
		1160	D3DXQUATERNION::operator - () const
		1161	{
		1162	return D3DXQUATERNION(-x, -y, -z, -w);
		1163	}
		1164
		1165
		1166	// binary operators
		1167	D3DXINLINE D3DXQUATERNION
		1168	D3DXQUATERNION::operator + ( CONST D3DXQUATERNION& q ) const
		1169	{
		1170	return D3DXQUATERNION(x + q.x, y + q.y, z + q.z, w + q.w);
		1171	}
		1172
		1173	D3DXINLINE D3DXQUATERNION
		1174	D3DXQUATERNION::operator - ( CONST D3DXQUATERNION& q ) const
		1175	{
		1176	return D3DXQUATERNION(x - q.x, y - q.y, z - q.z, w - q.w);
		1177	}
		1178
		1179	D3DXINLINE D3DXQUATERNION
		1180	D3DXQUATERNION::operator * ( CONST D3DXQUATERNION& q ) const
		1181	{
		1182	D3DXQUATERNION qT;
		1183	D3DXQuaternionMultiply(&qT, this, &q);
		1184	return qT;
		1185	}
		1186
		1187	D3DXINLINE D3DXQUATERNION
		1188	D3DXQUATERNION::operator * ( FLOAT f ) const
		1189	{
		1190	return D3DXQUATERNION(x * f, y * f, z * f, w * f);
		1191	}
		1192
		1193	D3DXINLINE D3DXQUATERNION
		1194	D3DXQUATERNION::operator / ( FLOAT f ) const
		1195	{
		1196	FLOAT fInv = 1.0f / f;
		1197	return D3DXQUATERNION(x * fInv, y * fInv, z * fInv, w * fInv);
		1198	}
		1199
		1200
		1201	D3DXINLINE D3DXQUATERNION
		1202	operator * (FLOAT f, CONST D3DXQUATERNION& q )
		1203	{
		1204	return D3DXQUATERNION(f * q.x, f * q.y, f * q.z, f * q.w);
		1205	}
		1206
		1207
		1208	D3DXINLINE BOOL
		1209	D3DXQUATERNION::operator == ( CONST D3DXQUATERNION& q ) const
		1210	{
		1211	return x == q.x && y == q.y && z == q.z && w == q.w;
		1212	}
		1213
		1214	D3DXINLINE BOOL
		1215	D3DXQUATERNION::operator != ( CONST D3DXQUATERNION& q ) const
		1216	{
		1217	return x != q.x \|\| y != q.y \|\| z != q.z \|\| w != q.w;
		1218	}
		1219
		1220
		1221
		1222	//--------------------------
		1223	// Plane
		1224	//--------------------------
		1225
		1226	D3DXINLINE
		1227	D3DXPLANE::D3DXPLANE( CONST FLOAT* pf )
		1228	{
		1229	#ifdef D3DX_DEBUG
		1230	if(!pf)
		1231	return;
		1232	#endif
		1233
		1234	a = pf[0];
		1235	b = pf[1];
		1236	c = pf[2];
		1237	d = pf[3];
		1238	}
		1239
		1240	D3DXINLINE
		1241	D3DXPLANE::D3DXPLANE( CONST D3DXFLOAT16* pf )
		1242	{
		1243	#ifdef D3DX_DEBUG
		1244	if(!pf)
		1245	return;
		1246	#endif
		1247
		1248	D3DXFloat16To32Array(&a, pf, 4);
		1249	}
		1250
		1251	D3DXINLINE
		1252	D3DXPLANE::D3DXPLANE( FLOAT fa, FLOAT fb, FLOAT fc, FLOAT fd )
		1253	{
		1254	a = fa;
		1255	b = fb;
		1256	c = fc;
		1257	d = fd;
		1258	}
		1259
		1260
		1261	// casting
		1262	D3DXINLINE
		1263	D3DXPLANE::operator FLOAT* ()
		1264	{
		1265	return (FLOAT *) &a;
		1266	}
		1267
		1268	D3DXINLINE
		1269	D3DXPLANE::operator CONST FLOAT* () const
		1270	{
		1271	return (CONST FLOAT *) &a;
		1272	}
		1273
		1274
		1275	// assignment operators
		1276	D3DXINLINE D3DXPLANE&
		1277	D3DXPLANE::operator *= ( FLOAT f )
		1278	{
		1279	a *= f;
		1280	b *= f;
		1281	c *= f;
		1282	d *= f;
		1283	return *this;
		1284	}
		1285
		1286	D3DXINLINE D3DXPLANE&
		1287	D3DXPLANE::operator /= ( FLOAT f )
		1288	{
		1289	FLOAT fInv = 1.0f / f;
		1290	a *= fInv;
		1291	b *= fInv;
		1292	c *= fInv;
		1293	d *= fInv;
		1294	return *this;
		1295	}
		1296
		1297
		1298	// unary operators
		1299	D3DXINLINE D3DXPLANE
		1300	D3DXPLANE::operator + () const
		1301	{
		1302	return *this;
		1303	}
		1304
		1305	D3DXINLINE D3DXPLANE
		1306	D3DXPLANE::operator - () const
		1307	{
		1308	return D3DXPLANE(-a, -b, -c, -d);
		1309	}
		1310
		1311
		1312	// binary operators
		1313	D3DXINLINE D3DXPLANE
		1314	D3DXPLANE::operator * ( FLOAT f ) const
		1315	{
		1316	return D3DXPLANE(a * f, b * f, c * f, d * f);
		1317	}
		1318
		1319	D3DXINLINE D3DXPLANE
		1320	D3DXPLANE::operator / ( FLOAT f ) const
		1321	{
		1322	FLOAT fInv = 1.0f / f;
		1323	return D3DXPLANE(a * fInv, b * fInv, c * fInv, d * fInv);
		1324	}
		1325
		1326	D3DXINLINE D3DXPLANE
		1327	operator * (FLOAT f, CONST D3DXPLANE& p )
		1328	{
		1329	return D3DXPLANE(f * p.a, f * p.b, f * p.c, f * p.d);
		1330	}
		1331
		1332	D3DXINLINE BOOL
		1333	D3DXPLANE::operator == ( CONST D3DXPLANE& p ) const
		1334	{
		1335	return a == p.a && b == p.b && c == p.c && d == p.d;
		1336	}
		1337
		1338	D3DXINLINE BOOL
		1339	D3DXPLANE::operator != ( CONST D3DXPLANE& p ) const
		1340	{
		1341	return a != p.a \|\| b != p.b \|\| c != p.c \|\| d != p.d;
		1342	}
		1343
		1344
		1345
		1346
		1347	//--------------------------
		1348	// Color
		1349	//--------------------------
		1350
		1351	D3DXINLINE
		1352	D3DXCOLOR::D3DXCOLOR( DWORD dw )
		1353	{
		1354	CONST FLOAT f = 1.0f / 255.0f;
		1355	r = f * (FLOAT) (unsigned char) (dw >> 16);
		1356	g = f * (FLOAT) (unsigned char) (dw >> 8);
		1357	b = f * (FLOAT) (unsigned char) (dw >> 0);
		1358	a = f * (FLOAT) (unsigned char) (dw >> 24);
		1359	}
		1360
		1361	D3DXINLINE
		1362	D3DXCOLOR::D3DXCOLOR( CONST FLOAT* pf )
		1363	{
		1364	#ifdef D3DX_DEBUG
		1365	if(!pf)
		1366	return;
		1367	#endif
		1368
		1369	r = pf[0];
		1370	g = pf[1];
		1371	b = pf[2];
		1372	a = pf[3];
		1373	}
		1374
		1375	D3DXINLINE
		1376	D3DXCOLOR::D3DXCOLOR( CONST D3DXFLOAT16* pf )
		1377	{
		1378	#ifdef D3DX_DEBUG
		1379	if(!pf)
		1380	return;
		1381	#endif
		1382
		1383	D3DXFloat16To32Array(&r, pf, 4);
		1384	}
		1385
		1386	D3DXINLINE
		1387	D3DXCOLOR::D3DXCOLOR( CONST D3DCOLORVALUE& c )
		1388	{
		1389	r = c.r;
		1390	g = c.g;
		1391	b = c.b;
		1392	a = c.a;
		1393	}
		1394
		1395	D3DXINLINE
		1396	D3DXCOLOR::D3DXCOLOR( FLOAT fr, FLOAT fg, FLOAT fb, FLOAT fa )
		1397	{
		1398	r = fr;
		1399	g = fg;
		1400	b = fb;
		1401	a = fa;
		1402	}
		1403
		1404
		1405	// casting
		1406	D3DXINLINE
		1407	D3DXCOLOR::operator DWORD () const
		1408	{
		1409	DWORD dwR = r >= 1.0f ? 0xff : r <= 0.0f ? 0x00 : (DWORD) (r * 255.0f + 0.5f);
		1410	DWORD dwG = g >= 1.0f ? 0xff : g <= 0.0f ? 0x00 : (DWORD) (g * 255.0f + 0.5f);
		1411	DWORD dwB = b >= 1.0f ? 0xff : b <= 0.0f ? 0x00 : (DWORD) (b * 255.0f + 0.5f);
		1412	DWORD dwA = a >= 1.0f ? 0xff : a <= 0.0f ? 0x00 : (DWORD) (a * 255.0f + 0.5f);
		1413
		1414	return (dwA << 24) \| (dwR << 16) \| (dwG << 8) \| dwB;
		1415	}
		1416
		1417
		1418	D3DXINLINE
		1419	D3DXCOLOR::operator FLOAT * ()
		1420	{
		1421	return (FLOAT *) &r;
		1422	}
		1423
		1424	D3DXINLINE
		1425	D3DXCOLOR::operator CONST FLOAT * () const
		1426	{
		1427	return (CONST FLOAT *) &r;
		1428	}
		1429
		1430
		1431	D3DXINLINE
		1432	D3DXCOLOR::operator D3DCOLORVALUE * ()
		1433	{
		1434	return (D3DCOLORVALUE *) &r;
		1435	}
		1436
		1437	D3DXINLINE
		1438	D3DXCOLOR::operator CONST D3DCOLORVALUE * () const
		1439	{
		1440	return (CONST D3DCOLORVALUE *) &r;
		1441	}
		1442
		1443
		1444	D3DXINLINE
		1445	D3DXCOLOR::operator D3DCOLORVALUE& ()
		1446	{
		1447	return ((D3DCOLORVALUE ) &r);
		1448	}
		1449
		1450	D3DXINLINE
		1451	D3DXCOLOR::operator CONST D3DCOLORVALUE& () const
		1452	{
		1453	return ((CONST D3DCOLORVALUE ) &r);
		1454	}
		1455
		1456
		1457	// assignment operators
		1458	D3DXINLINE D3DXCOLOR&
		1459	D3DXCOLOR::operator += ( CONST D3DXCOLOR& c )
		1460	{
		1461	r += c.r;
		1462	g += c.g;
		1463	b += c.b;
		1464	a += c.a;
		1465	return *this;
		1466	}
		1467
		1468	D3DXINLINE D3DXCOLOR&
		1469	D3DXCOLOR::operator -= ( CONST D3DXCOLOR& c )
		1470	{
		1471	r -= c.r;
		1472	g -= c.g;
		1473	b -= c.b;
		1474	a -= c.a;
		1475	return *this;
		1476	}
		1477
		1478	D3DXINLINE D3DXCOLOR&
		1479	D3DXCOLOR::operator *= ( FLOAT f )
		1480	{
		1481	r *= f;
		1482	g *= f;
		1483	b *= f;
		1484	a *= f;
		1485	return *this;
		1486	}
		1487
		1488	D3DXINLINE D3DXCOLOR&
		1489	D3DXCOLOR::operator /= ( FLOAT f )
		1490	{
		1491	FLOAT fInv = 1.0f / f;
		1492	r *= fInv;
		1493	g *= fInv;
		1494	b *= fInv;
		1495	a *= fInv;
		1496	return *this;
		1497	}
		1498
		1499
		1500	// unary operators
		1501	D3DXINLINE D3DXCOLOR
		1502	D3DXCOLOR::operator + () const
		1503	{
		1504	return *this;
		1505	}
		1506
		1507	D3DXINLINE D3DXCOLOR
		1508	D3DXCOLOR::operator - () const
		1509	{
		1510	return D3DXCOLOR(-r, -g, -b, -a);
		1511	}
		1512
		1513
		1514	// binary operators
		1515	D3DXINLINE D3DXCOLOR
		1516	D3DXCOLOR::operator + ( CONST D3DXCOLOR& c ) const
		1517	{
		1518	return D3DXCOLOR(r + c.r, g + c.g, b + c.b, a + c.a);
		1519	}
		1520
		1521	D3DXINLINE D3DXCOLOR
		1522	D3DXCOLOR::operator - ( CONST D3DXCOLOR& c ) const
		1523	{
		1524	return D3DXCOLOR(r - c.r, g - c.g, b - c.b, a - c.a);
		1525	}
		1526
		1527	D3DXINLINE D3DXCOLOR
		1528	D3DXCOLOR::operator * ( FLOAT f ) const
		1529	{
		1530	return D3DXCOLOR(r * f, g * f, b * f, a * f);
		1531	}
		1532
		1533	D3DXINLINE D3DXCOLOR
		1534	D3DXCOLOR::operator / ( FLOAT f ) const
		1535	{
		1536	FLOAT fInv = 1.0f / f;
		1537	return D3DXCOLOR(r * fInv, g * fInv, b * fInv, a * fInv);
		1538	}
		1539
		1540
		1541	D3DXINLINE D3DXCOLOR
		1542	operator * (FLOAT f, CONST D3DXCOLOR& c )
		1543	{
		1544	return D3DXCOLOR(f * c.r, f * c.g, f * c.b, f * c.a);
		1545	}
		1546
		1547
		1548	D3DXINLINE BOOL
		1549	D3DXCOLOR::operator == ( CONST D3DXCOLOR& c ) const
		1550	{
		1551	return r == c.r && g == c.g && b == c.b && a == c.a;
		1552	}
		1553
		1554	D3DXINLINE BOOL
		1555	D3DXCOLOR::operator != ( CONST D3DXCOLOR& c ) const
		1556	{
		1557	return r != c.r \|\| g != c.g \|\| b != c.b \|\| a != c.a;
		1558	}
		1559
		1560
		1561	#endif //__cplusplus
		1562
		1563
		1564
		1565	//===========================================================================
		1566	//
		1567	// Inline functions
		1568	//
		1569	//===========================================================================
		1570
		1571
		1572	//--------------------------
		1573	// 2D Vector
		1574	//--------------------------
		1575
		1576	D3DXINLINE FLOAT D3DXVec2Length
		1577	( CONST D3DXVECTOR2 *pV )
		1578	{
		1579	#ifdef D3DX_DEBUG
		1580	if(!pV)
		1581	return 0.0f;
		1582	#endif
		1583
		1584	#ifdef __cplusplus
		1585	return sqrtf(pV->x * pV->x + pV->y * pV->y);
		1586	#else
		1587	return (FLOAT) sqrt(pV->x * pV->x + pV->y * pV->y);
		1588	#endif
		1589	}
		1590
		1591	D3DXINLINE FLOAT D3DXVec2LengthSq
		1592	( CONST D3DXVECTOR2 *pV )
		1593	{
		1594	#ifdef D3DX_DEBUG
		1595	if(!pV)
		1596	return 0.0f;
		1597	#endif
		1598
		1599	return pV->x * pV->x + pV->y * pV->y;
		1600	}
		1601
		1602	D3DXINLINE FLOAT D3DXVec2Dot
		1603	( CONST D3DXVECTOR2 pV1, CONST D3DXVECTOR2 pV2 )
		1604	{
		1605	#ifdef D3DX_DEBUG
		1606	if(!pV1 \|\| !pV2)
		1607	return 0.0f;
		1608	#endif
		1609
		1610	return pV1->x * pV2->x + pV1->y * pV2->y;
		1611	}
		1612
		1613	D3DXINLINE FLOAT D3DXVec2CCW
		1614	( CONST D3DXVECTOR2 pV1, CONST D3DXVECTOR2 pV2 )
		1615	{
		1616	#ifdef D3DX_DEBUG
		1617	if(!pV1 \|\| !pV2)
		1618	return 0.0f;
		1619	#endif
		1620
		1621	return pV1->x * pV2->y - pV1->y * pV2->x;
		1622	}
		1623
		1624	D3DXINLINE D3DXVECTOR2* D3DXVec2Add
		1625	( D3DXVECTOR2 pOut, CONST D3DXVECTOR2 pV1, CONST D3DXVECTOR2 *pV2 )
		1626	{
		1627	#ifdef D3DX_DEBUG
		1628	if(!pOut \|\| !pV1 \|\| !pV2)
		1629	return NULL;
		1630	#endif
		1631
		1632	pOut->x = pV1->x + pV2->x;
		1633	pOut->y = pV1->y + pV2->y;
		1634	return pOut;
		1635	}
		1636
		1637	D3DXINLINE D3DXVECTOR2* D3DXVec2Subtract
		1638	( D3DXVECTOR2 pOut, CONST D3DXVECTOR2 pV1, CONST D3DXVECTOR2 *pV2 )
		1639	{
		1640	#ifdef D3DX_DEBUG
		1641	if(!pOut \|\| !pV1 \|\| !pV2)
		1642	return NULL;
		1643	#endif
		1644
		1645	pOut->x = pV1->x - pV2->x;
		1646	pOut->y = pV1->y - pV2->y;
		1647	return pOut;
		1648	}
		1649
		1650	D3DXINLINE D3DXVECTOR2* D3DXVec2Minimize
		1651	( D3DXVECTOR2 pOut, CONST D3DXVECTOR2 pV1, CONST D3DXVECTOR2 *pV2 )
		1652	{
		1653	#ifdef D3DX_DEBUG
		1654	if(!pOut \|\| !pV1 \|\| !pV2)
		1655	return NULL;
		1656	#endif
		1657
		1658	pOut->x = pV1->x < pV2->x ? pV1->x : pV2->x;
		1659	pOut->y = pV1->y < pV2->y ? pV1->y : pV2->y;
		1660	return pOut;
		1661	}
		1662
		1663	D3DXINLINE D3DXVECTOR2* D3DXVec2Maximize
		1664	( D3DXVECTOR2 pOut, CONST D3DXVECTOR2 pV1, CONST D3DXVECTOR2 *pV2 )
		1665	{
		1666	#ifdef D3DX_DEBUG
		1667	if(!pOut \|\| !pV1 \|\| !pV2)
		1668	return NULL;
		1669	#endif
		1670
		1671	pOut->x = pV1->x > pV2->x ? pV1->x : pV2->x;
		1672	pOut->y = pV1->y > pV2->y ? pV1->y : pV2->y;
		1673	return pOut;
		1674	}
		1675
		1676	D3DXINLINE D3DXVECTOR2* D3DXVec2Scale
		1677	( D3DXVECTOR2 pOut, CONST D3DXVECTOR2 pV, FLOAT s )
		1678	{
		1679	#ifdef D3DX_DEBUG
		1680	if(!pOut \|\| !pV)
		1681	return NULL;
		1682	#endif
		1683
		1684	pOut->x = pV->x * s;
		1685	pOut->y = pV->y * s;
		1686	return pOut;
		1687	}
		1688
		1689	D3DXINLINE D3DXVECTOR2* D3DXVec2Lerp
		1690	( D3DXVECTOR2 pOut, CONST D3DXVECTOR2 pV1, CONST D3DXVECTOR2 *pV2,
		1691	FLOAT s )
		1692	{
		1693	#ifdef D3DX_DEBUG
		1694	if(!pOut \|\| !pV1 \|\| !pV2)
		1695	return NULL;
		1696	#endif
		1697
		1698	pOut->x = pV1->x + s * (pV2->x - pV1->x);
		1699	pOut->y = pV1->y + s * (pV2->y - pV1->y);
		1700	return pOut;
		1701	}
		1702
		1703
		1704	//--------------------------
		1705	// 3D Vector
		1706	//--------------------------
		1707
		1708	D3DXINLINE FLOAT D3DXVec3Length
		1709	( CONST D3DXVECTOR3 *pV )
		1710	{
		1711	#ifdef D3DX_DEBUG
		1712	if(!pV)
		1713	return 0.0f;
		1714	#endif
		1715
		1716	#ifdef __cplusplus
		1717	return sqrtf(pV->x * pV->x + pV->y * pV->y + pV->z * pV->z);
		1718	#else
		1719	return (FLOAT) sqrt(pV->x * pV->x + pV->y * pV->y + pV->z * pV->z);
		1720	#endif
		1721	}
		1722
		1723	D3DXINLINE FLOAT D3DXVec3LengthSq
		1724	( CONST D3DXVECTOR3 *pV )
		1725	{
		1726	#ifdef D3DX_DEBUG
		1727	if(!pV)
		1728	return 0.0f;
		1729	#endif
		1730
		1731	return pV->x * pV->x + pV->y * pV->y + pV->z * pV->z;
		1732	}
		1733
		1734	D3DXINLINE FLOAT D3DXVec3Dot
		1735	( CONST D3DXVECTOR3 pV1, CONST D3DXVECTOR3 pV2 )
		1736	{
		1737	#ifdef D3DX_DEBUG
		1738	if(!pV1 \|\| !pV2)
		1739	return 0.0f;
		1740	#endif
		1741
		1742	return pV1->x * pV2->x + pV1->y * pV2->y + pV1->z * pV2->z;
		1743	}
		1744
		1745	D3DXINLINE D3DXVECTOR3* D3DXVec3Cross
		1746	( D3DXVECTOR3 pOut, CONST D3DXVECTOR3 pV1, CONST D3DXVECTOR3 *pV2 )
		1747	{
		1748	D3DXVECTOR3 v;
		1749
		1750	#ifdef D3DX_DEBUG
		1751	if(!pOut \|\| !pV1 \|\| !pV2)
		1752	return NULL;
		1753	#endif
		1754
		1755	v.x = pV1->y * pV2->z - pV1->z * pV2->y;
		1756	v.y = pV1->z * pV2->x - pV1->x * pV2->z;
		1757	v.z = pV1->x * pV2->y - pV1->y * pV2->x;
		1758
		1759	*pOut = v;
		1760	return pOut;
		1761	}
		1762
		1763	D3DXINLINE D3DXVECTOR3* D3DXVec3Add
		1764	( D3DXVECTOR3 pOut, CONST D3DXVECTOR3 pV1, CONST D3DXVECTOR3 *pV2 )
		1765	{
		1766	#ifdef D3DX_DEBUG
		1767	if(!pOut \|\| !pV1 \|\| !pV2)
		1768	return NULL;
		1769	#endif
		1770
		1771	pOut->x = pV1->x + pV2->x;
		1772	pOut->y = pV1->y + pV2->y;
		1773	pOut->z = pV1->z + pV2->z;
		1774	return pOut;
		1775	}
		1776
		1777	D3DXINLINE D3DXVECTOR3* D3DXVec3Subtract
		1778	( D3DXVECTOR3 pOut, CONST D3DXVECTOR3 pV1, CONST D3DXVECTOR3 *pV2 )
		1779	{
		1780	#ifdef D3DX_DEBUG
		1781	if(!pOut \|\| !pV1 \|\| !pV2)
		1782	return NULL;
		1783	#endif
		1784
		1785	pOut->x = pV1->x - pV2->x;
		1786	pOut->y = pV1->y - pV2->y;
		1787	pOut->z = pV1->z - pV2->z;
		1788	return pOut;
		1789	}
		1790
		1791	D3DXINLINE D3DXVECTOR3* D3DXVec3Minimize
		1792	( D3DXVECTOR3 pOut, CONST D3DXVECTOR3 pV1, CONST D3DXVECTOR3 *pV2 )
		1793	{
		1794	#ifdef D3DX_DEBUG
		1795	if(!pOut \|\| !pV1 \|\| !pV2)
		1796	return NULL;
		1797	#endif
		1798
		1799	pOut->x = pV1->x < pV2->x ? pV1->x : pV2->x;
		1800	pOut->y = pV1->y < pV2->y ? pV1->y : pV2->y;
		1801	pOut->z = pV1->z < pV2->z ? pV1->z : pV2->z;
		1802	return pOut;
		1803	}
		1804
		1805	D3DXINLINE D3DXVECTOR3* D3DXVec3Maximize
		1806	( D3DXVECTOR3 pOut, CONST D3DXVECTOR3 pV1, CONST D3DXVECTOR3 *pV2 )
		1807	{
		1808	#ifdef D3DX_DEBUG
		1809	if(!pOut \|\| !pV1 \|\| !pV2)
		1810	return NULL;
		1811	#endif
		1812
		1813	pOut->x = pV1->x > pV2->x ? pV1->x : pV2->x;
		1814	pOut->y = pV1->y > pV2->y ? pV1->y : pV2->y;
		1815	pOut->z = pV1->z > pV2->z ? pV1->z : pV2->z;
		1816	return pOut;
		1817	}
		1818
		1819	D3DXINLINE D3DXVECTOR3* D3DXVec3Scale
		1820	( D3DXVECTOR3 pOut, CONST D3DXVECTOR3 pV, FLOAT s)
		1821	{
		1822	#ifdef D3DX_DEBUG
		1823	if(!pOut \|\| !pV)
		1824	return NULL;
		1825	#endif
		1826
		1827	pOut->x = pV->x * s;
		1828	pOut->y = pV->y * s;
		1829	pOut->z = pV->z * s;
		1830	return pOut;
		1831	}
		1832
		1833	D3DXINLINE D3DXVECTOR3* D3DXVec3Lerp
		1834	( D3DXVECTOR3 pOut, CONST D3DXVECTOR3 pV1, CONST D3DXVECTOR3 *pV2,
		1835	FLOAT s )
		1836	{
		1837	#ifdef D3DX_DEBUG
		1838	if(!pOut \|\| !pV1 \|\| !pV2)
		1839	return NULL;
		1840	#endif
		1841
		1842	pOut->x = pV1->x + s * (pV2->x - pV1->x);
		1843	pOut->y = pV1->y + s * (pV2->y - pV1->y);
		1844	pOut->z = pV1->z + s * (pV2->z - pV1->z);
		1845	return pOut;
		1846	}
		1847
		1848
		1849	//--------------------------
		1850	// 4D Vector
		1851	//--------------------------
		1852
		1853	D3DXINLINE FLOAT D3DXVec4Length
		1854	( CONST D3DXVECTOR4 *pV )
		1855	{
		1856	#ifdef D3DX_DEBUG
		1857	if(!pV)
		1858	return 0.0f;
		1859	#endif
		1860
		1861	#ifdef __cplusplus
		1862	return sqrtf(pV->x * pV->x + pV->y * pV->y + pV->z * pV->z + pV->w * pV->w);
		1863	#else
		1864	return (FLOAT) sqrt(pV->x * pV->x + pV->y * pV->y + pV->z * pV->z + pV->w * pV->w);
		1865	#endif
		1866	}
		1867
		1868	D3DXINLINE FLOAT D3DXVec4LengthSq
		1869	( CONST D3DXVECTOR4 *pV )
		1870	{
		1871	#ifdef D3DX_DEBUG
		1872	if(!pV)
		1873	return 0.0f;
		1874	#endif
		1875
		1876	return pV->x * pV->x + pV->y * pV->y + pV->z * pV->z + pV->w * pV->w;
		1877	}
		1878
		1879	D3DXINLINE FLOAT D3DXVec4Dot
		1880	( CONST D3DXVECTOR4 pV1, CONST D3DXVECTOR4 pV2 )
		1881	{
		1882	#ifdef D3DX_DEBUG
		1883	if(!pV1 \|\| !pV2)
		1884	return 0.0f;
		1885	#endif
		1886
		1887	return pV1->x * pV2->x + pV1->y * pV2->y + pV1->z * pV2->z + pV1->w * pV2->w;
		1888	}
		1889
		1890	D3DXINLINE D3DXVECTOR4* D3DXVec4Add
		1891	( D3DXVECTOR4 pOut, CONST D3DXVECTOR4 pV1, CONST D3DXVECTOR4 *pV2)
		1892	{
		1893	#ifdef D3DX_DEBUG
		1894	if(!pOut \|\| !pV1 \|\| !pV2)
		1895	return NULL;
		1896	#endif
		1897
		1898	pOut->x = pV1->x + pV2->x;
		1899	pOut->y = pV1->y + pV2->y;
		1900	pOut->z = pV1->z + pV2->z;
		1901	pOut->w = pV1->w + pV2->w;
		1902	return pOut;
		1903	}
		1904
		1905	D3DXINLINE D3DXVECTOR4* D3DXVec4Subtract
		1906	( D3DXVECTOR4 pOut, CONST D3DXVECTOR4 pV1, CONST D3DXVECTOR4 *pV2)
		1907	{
		1908	#ifdef D3DX_DEBUG
		1909	if(!pOut \|\| !pV1 \|\| !pV2)
		1910	return NULL;
		1911	#endif
		1912
		1913	pOut->x = pV1->x - pV2->x;
		1914	pOut->y = pV1->y - pV2->y;
		1915	pOut->z = pV1->z - pV2->z;
		1916	pOut->w = pV1->w - pV2->w;
		1917	return pOut;
		1918	}
		1919
		1920	D3DXINLINE D3DXVECTOR4* D3DXVec4Minimize
		1921	( D3DXVECTOR4 pOut, CONST D3DXVECTOR4 pV1, CONST D3DXVECTOR4 *pV2)
		1922	{
		1923	#ifdef D3DX_DEBUG
		1924	if(!pOut \|\| !pV1 \|\| !pV2)
		1925	return NULL;
		1926	#endif
		1927
		1928	pOut->x = pV1->x < pV2->x ? pV1->x : pV2->x;
		1929	pOut->y = pV1->y < pV2->y ? pV1->y : pV2->y;
		1930	pOut->z = pV1->z < pV2->z ? pV1->z : pV2->z;
		1931	pOut->w = pV1->w < pV2->w ? pV1->w : pV2->w;
		1932	return pOut;
		1933	}
		1934
		1935	D3DXINLINE D3DXVECTOR4* D3DXVec4Maximize
		1936	( D3DXVECTOR4 pOut, CONST D3DXVECTOR4 pV1, CONST D3DXVECTOR4 *pV2)
		1937	{
		1938	#ifdef D3DX_DEBUG
		1939	if(!pOut \|\| !pV1 \|\| !pV2)
		1940	return NULL;
		1941	#endif
		1942
		1943	pOut->x = pV1->x > pV2->x ? pV1->x : pV2->x;
		1944	pOut->y = pV1->y > pV2->y ? pV1->y : pV2->y;
		1945	pOut->z = pV1->z > pV2->z ? pV1->z : pV2->z;
		1946	pOut->w = pV1->w > pV2->w ? pV1->w : pV2->w;
		1947	return pOut;
		1948	}
		1949
		1950	D3DXINLINE D3DXVECTOR4* D3DXVec4Scale
		1951	( D3DXVECTOR4 pOut, CONST D3DXVECTOR4 pV, FLOAT s)
		1952	{
		1953	#ifdef D3DX_DEBUG
		1954	if(!pOut \|\| !pV)
		1955	return NULL;
		1956	#endif
		1957
		1958	pOut->x = pV->x * s;
		1959	pOut->y = pV->y * s;
		1960	pOut->z = pV->z * s;
		1961	pOut->w = pV->w * s;
		1962	return pOut;
		1963	}
		1964
		1965	D3DXINLINE D3DXVECTOR4* D3DXVec4Lerp
		1966	( D3DXVECTOR4 pOut, CONST D3DXVECTOR4 pV1, CONST D3DXVECTOR4 *pV2,
		1967	FLOAT s )
		1968	{
		1969	#ifdef D3DX_DEBUG
		1970	if(!pOut \|\| !pV1 \|\| !pV2)
		1971	return NULL;
		1972	#endif
		1973
		1974	pOut->x = pV1->x + s * (pV2->x - pV1->x);
		1975	pOut->y = pV1->y + s * (pV2->y - pV1->y);
		1976	pOut->z = pV1->z + s * (pV2->z - pV1->z);
		1977	pOut->w = pV1->w + s * (pV2->w - pV1->w);
		1978	return pOut;
		1979	}
		1980
		1981
		1982	//--------------------------
		1983	// 4D Matrix
		1984	//--------------------------
		1985
		1986	D3DXINLINE D3DXMATRIX* D3DXMatrixIdentity
		1987	( D3DXMATRIX *pOut )
		1988	{
		1989	#ifdef D3DX_DEBUG
		1990	if(!pOut)
		1991	return NULL;
		1992	#endif
		1993
		1994	pOut->m[0][1] = pOut->m[0][2] = pOut->m[0][3] =
		1995	pOut->m[1][0] = pOut->m[1][2] = pOut->m[1][3] =
		1996	pOut->m[2][0] = pOut->m[2][1] = pOut->m[2][3] =
		1997	pOut->m[3][0] = pOut->m[3][1] = pOut->m[3][2] = 0.0f;
		1998
		1999	pOut->m[0][0] = pOut->m[1][1] = pOut->m[2][2] = pOut->m[3][3] = 1.0f;
		2000	return pOut;
		2001	}
		2002
		2003
		2004	D3DXINLINE BOOL D3DXMatrixIsIdentity
		2005	( CONST D3DXMATRIX *pM )
		2006	{
		2007	#ifdef D3DX_DEBUG
		2008	if(!pM)
		2009	return FALSE;
		2010	#endif
		2011
		2012	return pM->m[0][0] == 1.0f && pM->m[0][1] == 0.0f && pM->m[0][2] == 0.0f && pM->m[0][3] == 0.0f &&
		2013	pM->m[1][0] == 0.0f && pM->m[1][1] == 1.0f && pM->m[1][2] == 0.0f && pM->m[1][3] == 0.0f &&
		2014	pM->m[2][0] == 0.0f && pM->m[2][1] == 0.0f && pM->m[2][2] == 1.0f && pM->m[2][3] == 0.0f &&
		2015	pM->m[3][0] == 0.0f && pM->m[3][1] == 0.0f && pM->m[3][2] == 0.0f && pM->m[3][3] == 1.0f;
		2016	}
		2017
		2018
		2019	//--------------------------
		2020	// Quaternion
		2021	//--------------------------
		2022
		2023	D3DXINLINE FLOAT D3DXQuaternionLength
		2024	( CONST D3DXQUATERNION *pQ )
		2025	{
		2026	#ifdef D3DX_DEBUG
		2027	if(!pQ)
		2028	return 0.0f;
		2029	#endif
		2030
		2031	#ifdef __cplusplus
		2032	return sqrtf(pQ->x * pQ->x + pQ->y * pQ->y + pQ->z * pQ->z + pQ->w * pQ->w);
		2033	#else
		2034	return (FLOAT) sqrt(pQ->x * pQ->x + pQ->y * pQ->y + pQ->z * pQ->z + pQ->w * pQ->w);
		2035	#endif
		2036	}
		2037
		2038	D3DXINLINE FLOAT D3DXQuaternionLengthSq
		2039	( CONST D3DXQUATERNION *pQ )
		2040	{
		2041	#ifdef D3DX_DEBUG
		2042	if(!pQ)
		2043	return 0.0f;
		2044	#endif
		2045
		2046	return pQ->x * pQ->x + pQ->y * pQ->y + pQ->z * pQ->z + pQ->w * pQ->w;
		2047	}
		2048
		2049	D3DXINLINE FLOAT D3DXQuaternionDot
		2050	( CONST D3DXQUATERNION pQ1, CONST D3DXQUATERNION pQ2 )
		2051	{
		2052	#ifdef D3DX_DEBUG
		2053	if(!pQ1 \|\| !pQ2)
		2054	return 0.0f;
		2055	#endif
		2056
		2057	return pQ1->x * pQ2->x + pQ1->y * pQ2->y + pQ1->z * pQ2->z + pQ1->w * pQ2->w;
		2058	}
		2059
		2060
		2061	D3DXINLINE D3DXQUATERNION* D3DXQuaternionIdentity
		2062	( D3DXQUATERNION *pOut )
		2063	{
		2064	#ifdef D3DX_DEBUG
		2065	if(!pOut)
		2066	return NULL;
		2067	#endif
		2068
		2069	pOut->x = pOut->y = pOut->z = 0.0f;
		2070	pOut->w = 1.0f;
		2071	return pOut;
		2072	}
		2073
		2074	D3DXINLINE BOOL D3DXQuaternionIsIdentity
		2075	( CONST D3DXQUATERNION *pQ )
		2076	{
		2077	#ifdef D3DX_DEBUG
		2078	if(!pQ)
		2079	return FALSE;
		2080	#endif
		2081
		2082	return pQ->x == 0.0f && pQ->y == 0.0f && pQ->z == 0.0f && pQ->w == 1.0f;
		2083	}
		2084
		2085
		2086	D3DXINLINE D3DXQUATERNION* D3DXQuaternionConjugate
		2087	( D3DXQUATERNION pOut, CONST D3DXQUATERNION pQ )
		2088	{
		2089	#ifdef D3DX_DEBUG
		2090	if(!pOut \|\| !pQ)
		2091	return NULL;
		2092	#endif
		2093
		2094	pOut->x = -pQ->x;
		2095	pOut->y = -pQ->y;
		2096	pOut->z = -pQ->z;
		2097	pOut->w = pQ->w;
		2098	return pOut;
		2099	}
		2100
		2101
		2102	//--------------------------
		2103	// Plane
		2104	//--------------------------
		2105
		2106	D3DXINLINE FLOAT D3DXPlaneDot
		2107	( CONST D3DXPLANE pP, CONST D3DXVECTOR4 pV)
		2108	{
		2109	#ifdef D3DX_DEBUG
		2110	if(!pP \|\| !pV)
		2111	return 0.0f;
		2112	#endif
		2113
		2114	return pP->a * pV->x + pP->b * pV->y + pP->c * pV->z + pP->d * pV->w;
		2115	}
		2116
		2117	D3DXINLINE FLOAT D3DXPlaneDotCoord
		2118	( CONST D3DXPLANE pP, CONST D3DXVECTOR3 pV)
		2119	{
		2120	#ifdef D3DX_DEBUG
		2121	if(!pP \|\| !pV)
		2122	return 0.0f;
		2123	#endif
		2124
		2125	return pP->a * pV->x + pP->b * pV->y + pP->c * pV->z + pP->d;
		2126	}
		2127
		2128	D3DXINLINE FLOAT D3DXPlaneDotNormal
		2129	( CONST D3DXPLANE pP, CONST D3DXVECTOR3 pV)
		2130	{
		2131	#ifdef D3DX_DEBUG
		2132	if(!pP \|\| !pV)
		2133	return 0.0f;
		2134	#endif
		2135
		2136	return pP->a * pV->x + pP->b * pV->y + pP->c * pV->z;
		2137	}
		2138
		2139	D3DXINLINE D3DXPLANE* D3DXPlaneScale
		2140	(D3DXPLANE pOut, CONST D3DXPLANE pP, FLOAT s)
		2141	{
		2142	#ifdef D3DX_DEBUG
		2143	if(!pOut \|\| !pP)
		2144	return NULL;
		2145	#endif
		2146
		2147	pOut->a = pP->a * s;
		2148	pOut->b = pP->b * s;
		2149	pOut->c = pP->c * s;
		2150	pOut->d = pP->d * s;
		2151	return pOut;
		2152	}
		2153
		2154
		2155	//--------------------------
		2156	// Color
		2157	//--------------------------
		2158
		2159	D3DXINLINE D3DXCOLOR* D3DXColorNegative
		2160	(D3DXCOLOR pOut, CONST D3DXCOLOR pC)
		2161	{
		2162	#ifdef D3DX_DEBUG
		2163	if(!pOut \|\| !pC)
		2164	return NULL;
		2165	#endif
		2166
		2167	pOut->r = 1.0f - pC->r;
		2168	pOut->g = 1.0f - pC->g;
		2169	pOut->b = 1.0f - pC->b;
		2170	pOut->a = pC->a;
		2171	return pOut;
		2172	}
		2173
		2174	D3DXINLINE D3DXCOLOR* D3DXColorAdd
		2175	(D3DXCOLOR pOut, CONST D3DXCOLOR pC1, CONST D3DXCOLOR *pC2)
		2176	{
		2177	#ifdef D3DX_DEBUG
		2178	if(!pOut \|\| !pC1 \|\| !pC2)
		2179	return NULL;
		2180	#endif
		2181
		2182	pOut->r = pC1->r + pC2->r;
		2183	pOut->g = pC1->g + pC2->g;
		2184	pOut->b = pC1->b + pC2->b;
		2185	pOut->a = pC1->a + pC2->a;
		2186	return pOut;
		2187	}
		2188
		2189	D3DXINLINE D3DXCOLOR* D3DXColorSubtract
		2190	(D3DXCOLOR pOut, CONST D3DXCOLOR pC1, CONST D3DXCOLOR *pC2)
		2191	{
		2192	#ifdef D3DX_DEBUG
		2193	if(!pOut \|\| !pC1 \|\| !pC2)
		2194	return NULL;
		2195	#endif
		2196
		2197	pOut->r = pC1->r - pC2->r;
		2198	pOut->g = pC1->g - pC2->g;
		2199	pOut->b = pC1->b - pC2->b;
		2200	pOut->a = pC1->a - pC2->a;
		2201	return pOut;
		2202	}
		2203
		2204	D3DXINLINE D3DXCOLOR* D3DXColorScale
		2205	(D3DXCOLOR pOut, CONST D3DXCOLOR pC, FLOAT s)
		2206	{
		2207	#ifdef D3DX_DEBUG
		2208	if(!pOut \|\| !pC)
		2209	return NULL;
		2210	#endif
		2211
		2212	pOut->r = pC->r * s;
		2213	pOut->g = pC->g * s;
		2214	pOut->b = pC->b * s;
		2215	pOut->a = pC->a * s;
		2216	return pOut;
		2217	}
		2218
		2219	D3DXINLINE D3DXCOLOR* D3DXColorModulate
		2220	(D3DXCOLOR pOut, CONST D3DXCOLOR pC1, CONST D3DXCOLOR *pC2)
		2221	{
		2222	#ifdef D3DX_DEBUG
		2223	if(!pOut \|\| !pC1 \|\| !pC2)
		2224	return NULL;
		2225	#endif
		2226
		2227	pOut->r = pC1->r * pC2->r;
		2228	pOut->g = pC1->g * pC2->g;
		2229	pOut->b = pC1->b * pC2->b;
		2230	pOut->a = pC1->a * pC2->a;
		2231	return pOut;
		2232	}
		2233
		2234	D3DXINLINE D3DXCOLOR* D3DXColorLerp
		2235	(D3DXCOLOR pOut, CONST D3DXCOLOR pC1, CONST D3DXCOLOR *pC2, FLOAT s)
		2236	{
		2237	#ifdef D3DX_DEBUG
		2238	if(!pOut \|\| !pC1 \|\| !pC2)
		2239	return NULL;
		2240	#endif
		2241
		2242	pOut->r = pC1->r + s * (pC2->r - pC1->r);
		2243	pOut->g = pC1->g + s * (pC2->g - pC1->g);
		2244	pOut->b = pC1->b + s * (pC2->b - pC1->b);
		2245	pOut->a = pC1->a + s * (pC2->a - pC1->a);
		2246	return pOut;
		2247	}
		2248
		2249
		2250	#endif // __D3DX9MATH_INL__
		2251

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Games.Chess Giants//DirectX9/Include/d3dx9math.inl – Rev 1