本文整理汇总了C++中VSub函数的典型用法代码示例。如果您正苦于以下问题：C++ VSub函数的具体用法？C++ VSub怎么用？C++ VSub使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了VSub函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: newtri
object * newtri(void * tex, vector v0, vector v1, vector v2) {
tri * t;
vector edge1, edge2, edge3;
VSub(&v1, &v0, &edge1);
VSub(&v2, &v0, &edge2);
VSub(&v2, &v1, &edge3);
/* check to see if this will be a degenerate triangle before creation */
if ((VLength(&edge1) >= EPSILON) &&
(VLength(&edge2) >= EPSILON) &&
(VLength(&edge3) >= EPSILON)) {
t=(tri *) rt_getmem(sizeof(tri));
t->nextobj = NULL;
t->methods = &tri_methods;
t->tex = (texture *)tex;
t->v0 = v0;
t->edge1 = edge1;
t->edge2 = edge2;
return (object *) t;
}
return NULL; /* was a degenerate triangle */
}示例2: cylinder_normal
static void cylinder_normal(cylinder * cyl, vector * pnt, ray * incident, vector * N) {
vector a,b,c;
flt t;
VSub((vector *) pnt, &(cyl->ctr), &a);
c=cyl->axis;
VNorm(&c);
VDOT(t, a, c);
b.x = c.x * t + cyl->ctr.x;
b.y = c.y * t + cyl->ctr.y;
b.z = c.z * t + cyl->ctr.z;
VSub(pnt, &b, N);
VNorm(N);
if (VDot(N, &(incident->d)) > 0.0) { /* make cylinder double sided */
N->x=-N->x;
N->y=-N->y;
N->z=-N->z;
}
}示例3: EvalSinCos
void EvalSinCos ()
{
VecR t, tt, u, w;
int j, n;
VSetAll (t, 2. * M_PI);
VDiv (t, t, region);
DO_MOL {
VMul (tt, t, mol[n].r);
VSetAll (tCos[0][n], 1.);
VSetAll (tSin[0][n], 0.);
VSet (tCos[1][n], cos (tt.x), cos (tt.y), cos (tt.z));
VSet (tSin[1][n], sin (tt.x), sin (tt.y), sin (tt.z));
VSCopy (u, 2., tCos[1][n]);
VMul (tCos[2][n], u, tCos[1][n]);
VMul (tSin[2][n], u, tSin[1][n]);
VSetAll (tt, 1.);
VVSub (tCos[2][n], tt);
for (j = 3; j <= fSpaceLimit; j ++) {
VMul (w, u, tCos[j - 1][n]);
VSub (tCos[j][n], w, tCos[j - 2][n]);
VMul (w, u, tSin[j - 1][n]);
VSub (tSin[j][n], w, tSin[j - 2][n]);
}
}
}示例4: build_area_table
static __inline__ void build_area_table(const BBOX_TREE *bbox_tree,
Uint32 a, Uint32 b, float *areas)
{
VECTOR3 bmin, bmax, len;
int i, j;
VFill(bmin, BOUND_HUGE);
VFill(bmax, -BOUND_HUGE);
if (a < b)
{
for (i = a, j = 0; i <= b; i++, j++)
{
VMin(bmin, bmin, bbox_tree->items[i].bbox.bbmin);
VMax(bmax, bmax, bbox_tree->items[i].bbox.bbmax);
VSub(len, bmax, bmin);
areas[j] = len[X] * len[Y] * len[Z];
}
}
else
{
for (i = a, j = a-b; i >= (int)b; i--, j--)
{
VMin(bmin, bmin, bbox_tree->items[i].bbox.bbmin);
VMax(bmax, bmax, bbox_tree->items[i].bbox.bbmax);
VSub(len, bmax, bmin);
areas[j] = len[X] * len[Y] * len[Z];
}
}
}示例5: Vfunc
float Vfunc(int which, float* v1, float* v2, float* vresult, float scalar)
{
int i = 0;
float fTmp[3];
if (which == 2) { // vresult = v1 - v2
for (; i < 3; i++)
vresult[i] = v1[i] - v2[i];
}
if (which == 4) { // vresult = scalar * v1
for (; i < 3; ++i)
vresult[i] = scalar * v1[i];
}
if (which == 6) { // returns distance between v1 and v2
VSub(v1, v2, fTmp); // fTmp = v1 - v2
return VLen(fTmp);
}
if (which == 8)
return acosf(VDot(v1, v2)/(VLen(v1) * VLen(v2)))*180.0/PI;
if (which == 9)
{ // unit vector pointing from v1 toward v2
VSub(v2, v1, vresult);
VUnit(vresult);
}
return 0;
}示例6: getVector
inline VECTOR MODEL :: getVector(){
VECTOR tmp = VSub(VGet(x, y, z), VGet(preX, preY, preZ));
if(tmp.x == 0 && tmp.z ==0)
return VSub(VGet(x, y, z), VGet(ppX, ppY, ppZ));
ppX = preX;
ppY = preY;
ppZ = preZ;
return VSub(VGet(x, y, z), VGet(preX, preY, preZ));
}示例7: ComputeSiteForces
void ComputeSiteForces ()
{
VecR dr, shift;
real fcVal, rr, rrCut, rri, rri3, uVal;
int j1, j2, m1, m2, ms1, ms2, n, typeSum;
rrCut = Sqr (rCut);
for (n = 0; n < nMol * sitesMol; n ++) VZero (site[n].f);
uSum = 0.;
for (m1 = 0; m1 < nMol - 1; m1 ++) {
for (m2 = m1 + 1; m2 < nMol; m2 ++) {
VSub (dr, mol[m1].r, mol[m2].r);
VZero (shift);
VShiftAll (dr);
VVAdd (dr, shift);
rr = VLenSq (dr);
if (rr < rrCut) {
ms1 = m1 * sitesMol;
ms2 = m2 * sitesMol;
for (j1 = 0; j1 < sitesMol; j1 ++) {
for (j2 = 0; j2 < sitesMol; j2 ++) {
typeSum = mSite[j1].typeF + mSite[j2].typeF;
if (mSite[j1].typeF == mSite[j2].typeF || typeSum == 5) {
VSub (dr, site[ms1 + j1].r, site[ms2 + j2].r);
VVAdd (dr, shift);
rr = VLenSq (dr);
rri = 1. / rr;
switch (typeSum) {
case 2:
rri3 = Cube (rri);
uVal = 4. * rri3 * (rri3 - 1.);
fcVal = 48. * rri3 * (rri3 - 0.5) * rri;
break;
case 4:
uVal = 4. * bCon * sqrt (rri);
fcVal = uVal * rri;
break;
case 5:
uVal = -2. * bCon * sqrt (rri);
fcVal = uVal * rri;
break;
case 6:
uVal = bCon * sqrt (rri);
fcVal = uVal * rri;
break;
}
VVSAdd (site[ms1 + j1].f, fcVal, dr);
VVSAdd (site[ms2 + j2].f, - fcVal, dr);
uSum += uVal;
}
}
}
}
}
}
}示例8: EvalRdf
void EvalRdf ()
{
VecR dr, shift;
real deltaR, normFac, rr;
int j1, j2, k, m1, m2, ms1, ms2, n, rdfType, typeSum;
if (countRdf == 0) {
for (k = 0; k < 3; k ++) {
for (n = 0; n < sizeHistRdf; n ++) histRdf[k][n] = 0.;
}
}
deltaR = rangeRdf / sizeHistRdf;
for (m1 = 0; m1 < nMol - 1; m1 ++) {
for (m2 = m1 + 1; m2 < nMol; m2 ++) {
VSub (dr, mol[m1].r, mol[m2].r);
VZero (shift);
VShiftAll (dr);
VVAdd (dr, shift);
rr = VLenSq (dr);
if (rr < Sqr (rangeRdf)) {
ms1 = m1 * sitesMol;
ms2 = m2 * sitesMol;
for (j1 = 0; j1 < sitesMol; j1 ++) {
for (j2 = 0; j2 < sitesMol; j2 ++) {
typeSum = mSite[j1].typeRdf + mSite[j2].typeRdf;
if (typeSum >= 2) {
VSub (dr, site[ms1 + j1].r, site[ms2 + j2].r);
VVAdd (dr, shift);
rr = VLenSq (dr);
if (rr < Sqr (rangeRdf)) {
n = sqrt (rr) / deltaR;
if (typeSum == 2) rdfType = 0;
else if (typeSum == 3) rdfType = 1;
else rdfType = 2;
++ histRdf[rdfType][n];
}
}
}
}
}
}
}
++ countRdf;
if (countRdf == limitRdf) {
normFac = VProd (region) / (2. * M_PI * Cube (deltaR) *
Sqr (nMol) * countRdf);
for (k = 0; k < 3; k ++) {
for (n = 0; n < sizeHistRdf; n ++)
histRdf[k][n] *= normFac / Sqr (n - 0.5);
}
PrintRdf (stdout);
countRdf = 0;
}
}示例9: Chara_Collision
// キャラクターに当たっていたら押し出す処理を行う( chk_ch に ch が当たっていたら ch が離れる )
void Chara_Collision( CHARA *ch, VECTOR *ch_MoveVec, CHARA *chk_ch )
{
VECTOR ChkChToChVec ;
VECTOR PushVec ;
VECTOR ChPosition ;
float Length ;
// 移動後の ch の座標を算出
ChPosition = VAdd( ch->Position, *ch_MoveVec ) ;
// 当たっていなかったら何もしない
if( HitCheck_Capsule_Capsule(
ChPosition, VAdd( ChPosition, VGet( 0.0f, CHARA_HIT_HEIGHT, 0.0f ) ), CHARA_HIT_WIDTH,
chk_ch->Position, VAdd( chk_ch->Position, VGet( 0.0f, CHARA_HIT_HEIGHT, 0.0f ) ), CHARA_HIT_WIDTH ) == TRUE )
{
// 当たっていたら ch が chk から離れる処理をする
// chk_ch から ch へのベクトルを算出
ChkChToChVec = VSub( ChPosition, chk_ch->Position ) ;
// Ｙ軸は見ない
ChkChToChVec.y = 0.0f ;
// 二人の距離を算出
Length = VSize( ChkChToChVec ) ;
// chk_ch から ch へのベクトルを正規化( ベクトルの長さを 1.0f にする )
PushVec = VScale( ChkChToChVec, 1.0f / Length ) ;
// 押し出す距離を算出、もし二人の距離から二人の大きさを引いた値に押し出し力を足して離れてしまう場合は、ぴったりくっつく距離に移動する
if( Length - CHARA_HIT_WIDTH * 2.0f + CHARA_HIT_PUSH_POWER > 0.0f )
{
float TempY ;
TempY = ChPosition.y ;
ChPosition = VAdd( chk_ch->Position, VScale( PushVec, CHARA_HIT_WIDTH * 2.0f ) ) ;
// Ｙ座標は変化させない
ChPosition.y = TempY ;
}
else
{
// 押し出し
ChPosition = VAdd( ChPosition, VScale( PushVec, CHARA_HIT_PUSH_POWER ) ) ;
}
}
// 当たり判定処理後の移動ベクトルをセット
*ch_MoveVec = VSub( ChPosition, ch->Position ) ;
}示例10: Find_Required_Motion
/* Vector
** Find_Required_Motion(Vector pt, FeaturePtr con)
** Returns the displacement required to make the pt satisfy the constraint.
*/
Vector
Find_Required_Motion(Vector pt, FeaturePtr con)
{
Vector result;
Vector temp_v;
switch ( con->f_type )
{
case plane_feature:
temp_v = Closest_Plane_Point(con->f_vector, con->f_point, pt);
break;
case line_feature:
temp_v = Closest_Line_Point(con->f_vector, con->f_point, pt);
break;
case point_feature:
temp_v = con->f_point;
break;
default: VNew(0, 0, 0, result);
}
VSub(temp_v, pt, result);
return result;
}示例11: Compute_Cylinder_Data
void Compute_Cylinder_Data(OBJECT *Object)
{
DBL tmpf;
VECTOR axis;
CONE *Cone = (CONE *)Object;
VSub(axis, Cone->apex, Cone->base);
VLength(tmpf, axis);
if (tmpf < EPSILON)
{
Error("Degenerate cylinder, base point = apex point.");
}
else
{
VInverseScaleEq(axis, tmpf);
Compute_Coordinate_Transform(Cone->Trans, Cone->base, axis, Cone->apex_radius, tmpf);
}
Cone->dist = 0.0;
/* Recalculate the bounds */
Compute_Cone_BBox(Cone);
}示例12: waves
static void waves (const VECTOR EPoint, const TNORMAL *Tnormal, VECTOR normal, const TraceThreadData *Thread)
{
register unsigned int i;
register DBL length, scalar, index, sinValue ;
VECTOR point;
for (i = 0 ; i < Thread->numberOfWaves ; i++)
{
VSub (point, EPoint, *Thread->waveSources[i]);
VLength (length, point);
if (length == 0.0)
{
length = 1.0;
}
index = length * Tnormal->Frequency * Thread->waveFrequencies[i] + Tnormal->Phase;
sinValue = cycloidal(index);
scalar = sinValue * Tnormal->Amount / Thread->waveFrequencies[i];
VAddScaledEq(normal, scalar / (length * (DBL)Thread->numberOfWaves), point);
}
}示例13: Make_BBox
void Parametric::Compute_BBox()
{
if(container_shape != 0)
{
Make_BBox(BBox,
container.sphere.center[X] - container.sphere.radius,
container.sphere.center[Y] - container.sphere.radius,
container.sphere.center[Z] - container.sphere.radius,
container.sphere.radius * 2,
container.sphere.radius * 2,
container.sphere.radius * 2);
}
else
{
// [ABX 20.01.2004] Low_Left introduced to hide BCC 5.5 bug
BBOX_VECT& Low_Left = BBox.Lower_Left;
Assign_BBox_Vect(Low_Left, container.box.corner1);
VSub(BBox.Lengths, container.box.corner2, container.box.corner1);
}
if(Trans != NULL)
{
Recompute_BBox(&BBox, Trans);
}
}示例14: VSub
void Bullet::Collision(Character* character)
{
for (l = 0; l < BULLET; l++)
{
if (bullet[l] == 1 | bullet[l] == 2 | bullet[l] == 3)
{
colVector = VSub(VGet(character->vector.x, character->vector.y + 40.0f, character->vector.z), bulletLocation[l]);
distVector = colVector.x * colVector.x + colVector.y * colVector.y + colVector.z * colVector.z;
if (isGraze[l] == 0 & distVector < 250)
{
if (bullet[l] == 1 | bullet[l] == 2)
{
character->AddMp(5);
}
if (bullet[l] == 3)
{
character->AddMp(15);
}
}
if (distVector < 20)
{
if (bullet[l] == 1 | bullet[l] == 2)
{
bullet[l] = 0;
character->AddHp(-10);
}
if (bullet[l] == 3)
{
bullet[l] = 0;
character->AddHp(-30);
}
}
}
}
}示例15: VSub
Bullet::Bullet(VECTOR direction, VECTOR translation, int damage, float speed, BULLET_TYPE bulletType,float size)
:Object(direction,translation)
{
_damage = damage;
_size = size;
_speed = speed;
_bulletType = bulletType;
_count = 0;
_targetEnemy = NULL;
_hit = false;
if (_bulletType == BULLET_TYPE_PLAYER_HORMING)
{
float mdist = FLT_MAX;
auto &enemies = ObjectField::getObjectField().Enemies;
for (auto& enemy : enemies)
{
VECTOR v = VSub(_translation, enemy.GetTranslation());
float dist = VDot(v, v);
if (mdist > dist)
{
mdist = dist;
_targetEnemy = &enemy;
}
}
}
}