本文整理汇总了C++中Normal函数的典型用法代码示例。如果您正苦于以下问题：C++ Normal函数的具体用法？C++ Normal怎么用？C++ Normal使用的例子？那么恭喜您, 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Normal函数的20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，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: uniform_sphere_sample
Point SphereShape::sample_point(float u1, float u2,
Normal& out_n, float& out_ray_epsilon) const
{
Vec3 w = uniform_sphere_sample(u1, u2);
out_n = Normal(w);
out_ray_epsilon = 5e-3f * this->radius;
return Point() + Vector(w * this->radius);
}
开发者ID:honzasp，项目名称:dort，代码行数:8，代码来源:sphere_shape.cpp
示例2: Compound
// ---------------------------------------------------------------- copy constructor
SolidCylinder::SolidCylinder(const SolidCylinder& cyl)
: Compound(cyl),
bottom(cyl.bottom),
top(cyl.top),
radius(cyl.radius),
box(Point3D(-1.0*radius,bottom , -1.0*radius),
Point3D(1.0*radius,top , 1.0*radius))
{objects.push_back(new Disk(Point3D(0, bottom, 0),
Normal(0, -1, 0),
radius));
objects.push_back(new Disk(Point3D(0, top, 0),
Normal(0, 1, 0),
radius));
objects.push_back(new OpenCylinder(bottom,top,radius));}
开发者ID:koolkalang，项目名称:RayTracer，代码行数:18，代码来源:SolidCylinder.cpp
示例3: Normal
Vector2D Vector2D::Reflect(const Vector2D & v, const Vector2D &a) {
Vector2D n = Normal(a);
float co = -2 * ((float)v.Dot(n) / (n.Magnitude() * n.Magnitude()));
Vector2D r = {};
r.x = v.x + co * n.x;
r.y = r.y + co * n.y;
return r;
}
开发者ID:SimpleManGames，项目名称:DirectEngine，代码行数:8，代码来源:Vector2D.cpp
示例4: rotate
D3DXVECTOR3 rotate(D3DXVECTOR3 v, Quaternion q) {
Quaternion q_, qv;
q = Normal(q);
q_.w = q.w; q_.x = -q.x; q_.y = -q.y; q_.z = -q.z;
qv.w = 0; qv.x=v.x; qv.y=v.y; qv.z=v.z;
Quaternion aa= q_*qv*q;
return D3DXVECTOR3(aa.x, aa.y, aa.z);
}
开发者ID:poigwym，项目名称:3DstudentSystem，代码行数:8，代码来源:Quaternion.cpp
示例5: Lerp
Point Cylinder::Sample(float u1, float u2, Normal *Ns) const {
float z = Lerp(u1, zmin, zmax);
float t = u2 * phiMax;
Point p = Point(radius * cosf(t), radius * sinf(t), z);
*Ns = Normalize((*ObjectToWorld)(Normal(p.x, p.y, 0.)));
if (ReverseOrientation) *Ns *= -1.f;
return (*ObjectToWorld)(p);
}
开发者ID:ChiahungTai，项目名称:ray-hierarchy-，代码行数:8，代码来源:cylinder.cpp
示例6: DoesIntersect
bool DistanceEstimator::Intersect(const Ray &r, float *tHit, float *rayEpsilon,
DifferentialGeometry *dg) const {
bool succeed = DoesIntersect(r, tHit);
if (!succeed) return false;
Ray ray;
(*WorldToObject)(r, &ray);
Point p = ray(*tHit);
*rayEpsilon = DE_params.hitEpsilon * DE_params.rayEpsilonMultiplier;
Vector n = CalculateNormal(p, DE_params.normalEpsilon);
Vector DPDU, DPDV;
CoordinateSystem(n, &DPDU, &DPDV);
const Transform &o2w = *ObjectToWorld;
*dg = DifferentialGeometry(o2w(p), o2w(DPDU), o2w(DPDV), Normal(), Normal(), 0, 0, this);
return true;
}
开发者ID:csimstu，项目名称:pbrt-v2，代码行数:17，代码来源:distanceestimator.cpp
示例7: SCDebugPrint
Point3 SContext::DP(void)
{
SCDebugPrint("SContext::DP\n");
float d = (1.0f+DFACT)*0.1f/(DFACT+(float)fabs(DotProd(Normal(),viewDir)));
dp = Point3(d,d,d);
return dp;
}
开发者ID:DimondTheCat，项目名称:xray，代码行数:8，代码来源:scontext.cpp
示例8: FileGetZeroedChunk
boolean FileGetZeroedChunk (vbntype VbnBlk, blkhdrtype *BlkHdr,
boolean Release,
ft F,lt Z,zz *Status, numtype *Chunk)
{
bytessize UnitSize = 0;
indextype UnitCount = 0;
bytessize ChunkSize = 0;
vbntype ChunkRefVbn = VbnBlk;
chunkstruc ChunkRef;
chunkstruc *ChunkRefPtr = &ChunkRef;
addrtype ChunkAddr = NullPtr;
/* Load Chunk Struc Into Core */
if (FileInBlk ((addrtype *)&ChunkRefPtr, sizeof(chunkstruc),
BlkHdr, Release, McStat, &ChunkRefVbn))
{
UnitSize = ChunkRefPtr->UnitSize;
UnitCount = ChunkRefPtr->UnitCount;
ChunkSize = UnitCount * UnitSize;
if (!*Chunk)
MemMakeChunk (UnitSize, UnitCount, ChunkRef.ExtendQty,
DbmDbId, McStat, Chunk);
if (Normal(*Status))
MemPutStackPtr (*Chunk, ChunkRef.StackPtr, McStat);
if (!ChunkSize)
if (sprintf (Msg, TraceStr(43),
/* " ZERO BLOCK [%3u] ZERO Chunk[%4u](%2u * %2u)\n" */
VbnBlk, *Chunk, UnitCount, UnitSize))
TraceMsg (0, Msg);
if (MemGetChunkAddr (*Chunk, McStat, &ChunkAddr))
memset (ChunkAddr, NULL, (size_t )ChunkSize);
}
if (Normal(*Status))
if (DeBug)
MemDumpChunk (0, *Chunk, McStat);
TRACK(TrackBak,"FileGetZeroedChunk\n");
return(STAT);
}
开发者ID:palmerc，项目名称:lab，代码行数:45，代码来源:fm.c
示例9: PrependTabs
void CBasePoly::SaveBasePolyLTA( CLTAFile* pFile, uint32 level )
{
uint32 i;
//write out the list of face indices
PrependTabs(pFile, level);
pFile->WriteStr("( f ");
for( i=0; i < m_Indices; i++ ){
pFile->WriteStrF("%i ", m_Indices[i] );
}
pFile->WriteStr(")");
//write out the surface normal
PrependTabs(pFile, level);
pFile->WriteStrF("( n %f %f %f )", Normal().x, Normal().y, Normal().z );
PrependTabs(pFile, level);
pFile->WriteStrF("( dist %f )", Dist() );
}
开发者ID:Joincheng，项目名称:lithtech，代码行数:18，代码来源:BasePoly.cpp
示例10: Student
double Student(long n)
/* ===========================================
* Returns a student-t distributed real number.
* NOTE: use n > 0
* ===========================================
*/
{
return (Normal(0.0, 1.0) / sqrt(Chisquare(n) / n));
}
开发者ID:code4bones，项目名称:crawlpaper，代码行数:9，代码来源:rvgs.c
示例11: Lognormal
double Lognormal(double a, double b)
/* ====================================================
* Returns a lognormal distributed positive real number.
* NOTE: use b > 0.0
* ====================================================
*/
{
return (exp(a + b * Normal(0.0, 1.0)));
}
开发者ID:code4bones，项目名称:crawlpaper，代码行数:9，代码来源:rvgs.c
示例12: sampleEmissionArea
void sampleEmissionArea(EmissionRecord &eRec, const Point2 &sample) const {
if (eRec.type == EmissionRecord::ENormal) {
Vector d = squareToSphere(sample);
eRec.sRec.p = m_bsphere.center + d * m_bsphere.radius;
eRec.sRec.n = Normal(-d);
eRec.pdfArea = 1.0f / (4 * M_PI * m_bsphere.radius * m_bsphere.radius);
eRec.value = Spectrum(M_PI);
} else {
/* Preview mode, which is more suitable for VPL-based rendering: approximate
the infinitely far-away source with set of diffuse point sources */
const Float radius = m_bsphere.radius * 1.5f;
Vector d = squareToSphere(sample);
eRec.sRec.p = m_bsphere.center + d * radius;
eRec.sRec.n = Normal(-d);
eRec.pdfArea = 1.0f / (4 * M_PI * radius * radius);
eRec.value = Le(d) * M_PI;
}
}
开发者ID:joewan，项目名称:mitsuba-renderer，代码行数:18，代码来源:sky.cpp
示例13: samplePosition
void samplePosition(PositionSamplingRecord &pRec, const Point2 &sample) const {
const Transform &trafo = m_objectToWorld->eval(pRec.time);
Point2 p = warp::squareToUniformDiskConcentric(sample);
pRec.p = trafo(Point3(p.x, p.y, 0));
pRec.n = normalize(trafo(Normal(0, 0, 1)));
pRec.pdf = m_invSurfaceArea;
pRec.measure = EArea;
}
开发者ID:AdrianJohnston，项目名称:ShapeNetRender，代码行数:9，代码来源:disk.cpp
示例14: samplePosition
Spectrum samplePosition(PositionSamplingRecord &pRec,
const Point2 &sample, const Point2 *extra) const {
const Transform &trafo = m_worldTransform->eval(pRec.time);
pRec.p = trafo(Point(0.0f));
pRec.n = Normal(0.0f);
pRec.pdf = 1.0f;
pRec.measure = EDiscrete;
return Spectrum(1.0f);
}
开发者ID:dkoerner，项目名称:mitsuba，代码行数:9，代码来源:spherical.cpp
示例15: IntersectionPoint
void IntersectionPoint(const Circle& c1, const Circle& c2, Point& p1, Point& p2)
{
double d = Length(c1.c - c2.c);
double l = (c1.r*c1.r + d*d - c2.r*c2.r) / (2 * d);
double h = sqrt(c1.r*c1.r - l*l);
Point mid = c1.c + unit(c2.c-c1.c) * l;
Vector t = Normal(c2.c - c1.c) * h;
p1 = mid + t;
p2 = mid - t;
}
开发者ID:KiritoTRw，项目名称:OJ-Problems-Source，代码行数:10，代码来源:3467_autoAC.cpp
示例16: ConcentricSampleDisk
Point Disk::Sample(float u1, float u2, Normal *Ns) const {
Point p;
ConcentricSampleDisk(u1, u2, &p.x, &p.y);
p.x *= radius;
p.y *= radius;
p.z = height;
*Ns = Normalize((*ObjectToWorld)(Normal(0,0,1)));
if (ReverseOrientation) *Ns *= -1.f;
return (*ObjectToWorld)(p);
}
开发者ID:AlexanderChiang，项目名称:SeniorThesis，代码行数:10，代码来源:disk.cpp
示例17: mlStrcmpEnd
int mlStrcmpEnd(char* string1, char* string2)
{
int i = 0, len1 = 0, len2 = 0;
while (string1[i] != '\r' && string1[i] != 'ý')
{
i++;
}
int j = 0;
while (string2[j] != '\r' && string1[i] != 'ý')
{
j++;
}
len1 = i;
len2 = j;
i = 1;
j = 1;
if (string2[len2 - 1] >= 'A' && string2[len2 - 1] <= 'Z' && string1[len1 - 1] >= 'A' && string1[len1 - 1] <= 'Z')
return 0;
else while (len1 - i >= 0 && len2 - j >= 0)
{
if (!Normal(string1, i))
i++;
if (!Normal(string2, j))
j++;
if (Normal(string1, i) && Normal(string2, j))
{
if (string1[len1 - i] == string2[len2 - j])
{
i++;
j++;
}
else if (string1[len1 - i] > string2[len2 - j])
return 1;
else if (string1[len1 - i] < string2[len2 - j])
return -1;
else return 0;
}
}
return 0;
}
开发者ID:vova98，项目名称:Isengreem，代码行数:43，代码来源:stdafx.cpp
示例18: uniform_sphere_sample
Spectrum PointLight::sample_ray_radiance(const Scene&,
Ray& out_ray, Normal& out_nn, float& out_pdf,
LightRaySample sample) const
{
Vec3 wi = uniform_sphere_sample(sample.uv_dir.x, sample.uv_dir.y);
out_ray = Ray(this->pt, Vector(wi), 0.f);
out_nn = Normal(wi);
out_pdf = uniform_sphere_pdf();
return this->intensity;
}
开发者ID:honzasp，项目名称:dort，代码行数:10，代码来源:point_light.cpp
示例19: Distance
bool plane_t::PlaneLineIntersection(vec3 start, vec3 end, vec3 *hitpoint)
{
float d1, d2;
d1 = Distance(start);
d2 = Distance(end);
if (d1 == d2)
{
return false;
}
if (d1 > 0.0f && d2 > 0.0f)
{
return false;
}
if (d1 < 0.0f && d2 < 0.0f)
{
return false;
}
// calculate the intersection
{
float fraction;
fraction = (d1 / (d1 - d2));
*hitpoint = start + fraction * (start - end);
return true;
}
#if 0
// calculate a more precise intersection
{
// this will only work if the normal is normalized
vec3 n = Normal();
fraction = (d1 / (d1 - d2));
for(i = 0; i < 3; i++)
{
if (n[i] == 1)
{
hitpoint[i] = d;
}
else if (n[i] == -1)
{
hitpoint[i] = -d;
}
else
{
hitpoint[i] = start[i] + fraction * (start[i] - end[i]);
}
}
}
#endif
}
开发者ID:brycekelleher，项目名称:bsp，代码行数:55，代码来源:plane.cpp
示例20: Is_List01Member
/* 14.1.5 */
boolean Is_List01Member (tokentype *ListTkn, tokentype *MemberTkn,
ft F,lt Z,zz *Status, tokentype *NodeTkn)
{
listheadtype *HeadObj = NullPtr;
tokentype NextNode = NullToken;
listnodetype *NodeObj = NullPtr;
NextNode.DbId = ListTkn->DbId;
if (ListBug || DeBug)
if (sprintf (Msg, "\n Is_List01Member[%4u:%6u]:: Token=[%2u:%4u] \n",
ListTkn->DbId, ListTkn->Handle,
MemberTkn->DbId, MemberTkn->Handle))
TraceMsg (0, Msg);
if (OaGetObject (ListTkn, McStat, (addrtype *)&HeadObj))
for (NextNode.Handle = HeadObj->FirstNode;
Normal(*Status) && NextNode.Handle;)
{
if (OaGetObject (&NextNode, McStat, (addrtype *)&NodeObj))
if (NodeObj->NodeObject.Handle == MemberTkn->Handle
&& NodeObj->NodeObject.DbId == MemberTkn->DbId)
{
if (ListBug || DeBug)
if (sprintf (Msg, " ...NodeTkn =[%4u:%6u]\n",
NodeTkn->DbId, NodeTkn->Handle))
TraceMsg (0, Msg);
return (True);
} else
NextNode.Handle = NodeObj->NextNode;
}
if (ListBug || DeBug)
TraceMsg (0, "\n ... Not a Member.\n");
if (Normal(*Status))
return (False);
TRACK(TrackBak,"Is_List01Member\n");
return (STAT);
}
开发者ID:shivgarg，项目名称:SPEC_CPU_BENCH-2000-Android-APP，代码行数:43，代码来源:list01.c
注：本文中的Normal函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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