本文整理汇总了C#中Vector3D.DotProduct方法的典型用法代码示例。如果您正苦于以下问题：C# Vector3D.DotProduct方法的具体用法？C# Vector3D.DotProduct怎么用？C# Vector3D.DotProduct使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Vector3D的用法示例。
在下文中一共展示了Vector3D.DotProduct方法的5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: evaluateTangent
bool evaluateTangent(InferredCurve inferredCurve, RelatedCurve curve)
{
//double angle = Math.Atan((inferredCurve.FromPoint.Y - inferredCurve.ToPoint.Y) / (inferredCurve.FromPoint.X - inferredCurve.ToPoint.X));
//double length = ((IProximityOperator)inferredCurve.FromPoint).ReturnDistance(inferredCurve.ToPoint);
//the proposed arc chord:
ILine line = new Line() { FromPoint = inferredCurve.FromPoint, ToPoint = inferredCurve.ToPoint };
//half the delta of the proposed curve would be:
double halfdelta = toDegrees(Math.Asin(line.Length / 2 / curve.Radius));
IVector3D chordVector = new Vector3D() as IVector3D;
chordVector.PolarSet(line.Angle, 0, 1);
foreach (RelatedLine tangent in inferredCurve.TangentLines)
{
IVector3D tangentVector = new Vector3D() as IVector3D;
tangentVector.PolarSet(ToRadians(tangent.Angle), 0, 1);
bool dMatch = false;
double dVectDiff = toDegrees(Math.Acos(chordVector.DotProduct(tangentVector)));
if (tangent.Orientation == RelativeOrientation.From_To)
dMatch = Math.Abs(dVectDiff - halfdelta) < CurveByInferenceSettings.Instance.MaxTangentLineAngleInDegrees;
else if (tangent.Orientation == RelativeOrientation.To_From)
dMatch = Math.Abs(dVectDiff + halfdelta) < CurveByInferenceSettings.Instance.MaxTangentLineAngleInDegrees;
else if (tangent.Orientation == RelativeOrientation.From_From)
dMatch = Math.Abs(dVectDiff + halfdelta) < CurveByInferenceSettings.Instance.MaxTangentLineAngleInDegrees;
else if (tangent.Orientation == RelativeOrientation.To_To)
dMatch = Math.Abs(dVectDiff - halfdelta) < CurveByInferenceSettings.Instance.MaxTangentLineAngleInDegrees;
if (dMatch)
{
inferredCurve.InferredRadius = inferredCurve.TangentCurves[0].Radius;
inferredCurve.InferredCenterpointID = inferredCurve.TangentCurves[0].CenterpointID;
return true;
}
}
return false;
}示例2: CalculateColor
public static Color CalculateColor(Vector3D origin, Vector3D direction, uint depth)
{
/*
* Najpierw sprawdzamy czy promien uderza w kule, jesli nie to musi
* uderzac w plaszczyzne za kula (ze wzgledu na przyjeta specyfike
* konstrukcji sceny. Przeciecie z plaszczyzna rowniez nalezy
* sprawdzic, aby obliczyc kolor i stworzyc "szachownice"
*/
Color returnColor = Color.FromArgb(0, 0, 0);
Vector3D intersectionPoint = new Vector3D();
float distance = float.MaxValue;
bool inside = false;
bool sphereHit = raySphereIntersection(origin, direction, out distance, out inside);
// Jeśli kula nie zostala trafiona
if (!sphereHit)
{
// Sprawdz przeciecie z plaszczyznami
//float tmpDistance = -1;
float distRight = -(planeR.d + planeR.vectorNormal.DotProduct(origin)) / (direction.DotProduct(planeR.vectorNormal));
float distLeft = -(planeL.d + planeL.vectorNormal.DotProduct(origin)) / (direction.DotProduct(planeL.vectorNormal));
float distDown = -(planeD.d + planeD.vectorNormal.DotProduct(origin)) / (direction.DotProduct(planeD.vectorNormal));
float dist = Math.Min(distLeft, distRight);
dist = distDown > 0 ? Math.Min(distDown, dist) : dist;
intersectionPoint = origin + direction * dist;
bool hit = distRight > 0 || distLeft > 0 || distDown > 0;
if (hit)
{
if (distDown == dist)
{
returnColor = checkeredTexture(intersectionPoint.x, intersectionPoint.z);
}
else
{
returnColor = checkeredTexture(intersectionPoint.x, intersectionPoint.y);
}
}
return returnColor;
}
//if (inside) Console.WriteLine("INSIDE");
Vector3D vectorObser = new Vector3D();
Vector3D vectorLight = new Vector3D();
Vector3D reflectedRay = new Vector3D();
intersectionPoint = origin + direction * distance;
// Ponieważ mamy tylko jedno światło nie trzeba robić pętli po wszystkich
// Wektor od punktu przeciecia do swiatla
vectorLight.x = (float)light.position.X - intersectionPoint.x;
vectorLight.y = (float)light.position.Y - intersectionPoint.y;
vectorLight.z = (float)light.position.Z - intersectionPoint.z;
float lengthLight = vectorLight.Length();
vectorLight /= lengthLight;
// Wektor od punktu przeciecia do obserwatora
Vector3D vecNorm = intersectionPoint - sphereCenter;
vecNorm.Normalize();
vectorObser = origin - intersectionPoint;
vectorObser.Normalize();
// Wektor odbicia
reflectedRay = vecNorm * 2;
reflectedRay *= vectorObser.DotProduct(vecNorm);
reflectedRay -= vectorObser;
reflectedRay.Normalize();
int red = 0, green = 0, blue = 0;
// Zalamanie
if ((material.krcR > 0 || material.krcG > 0 || material.krcB > 0) && depth < maxDepth)
{
Vector3D newNorm = new Vector3D(vecNorm);
Vector3D refractedRey = new Vector3D();
float n = 0;
float mult = 1;
if (!inside)
{
n = 1.0f / material.n;
}
else
{
newNorm *= -1;
n = material.n / 1.0f;
}
float cosI = (newNorm.DotProduct(-direction));
float cosT2 = 1.0f - n * n * (1.0f - cosI * cosI);
if (cosT2 > 0)
{
if (cosI > 0)
refractedRey = direction * n + newNorm * (n * cosI - (float)Math.Sqrt(cosT2));
//.........这里部分代码省略.........
示例3: DotProduct
// Static methods
public static double DotProduct(Vector3D a, Vector3D b)
{
return a.DotProduct(b);
}示例4: CalculateColor
public static Color CalculateColor(Vector3D origin, Vector3D direction, uint depth)
{
/*
* Najpierw sprawdzamy czy promien uderza w kule, jesli nie to musi
* uderzac w plaszczyzne za kula (ze wzgledu na przyjeta specyfike
* konstrukcji sceny. Przeciecie z plaszczyzna rowniez nalezy
* sprawdzic, aby obliczyc kolor i stworzyc "szachownice"
*/
Color returnColor = Color.FromArgb(0, 0, 0);
Vector3D intersectionPoint = new Vector3D();
float distance = float.MaxValue;
int inOut = 0;
// Sprawdz przecięcie z kulą
float b = -(origin.DotProduct(direction));
float delta = (b * b) - (origin.DotProduct(origin)) + sphereRadius*sphereRadius;
if (delta > 0)
{
delta = (float)Math.Sqrt(delta);
float i1 = b - delta;
float i2 = b + delta;
if (i2 > 0)
{
if (i1 < 0)
{
if (i2 < distance)
{
// Trafienie z wnętrza kuli
distance = i2;
inOut = -1;
}
}
else
{
if (i1 < distance)
{
// Trafienie od zewnatrz
distance = i1;
inOut = 1;
}
}
}
}
// Jeśli kula nie zostala trafiona
if (distance == float.MaxValue)
{
// Sprawdz przeciecie z plaszczyznami (chwilowo tylko plaszczyzna
// za kula)
float tmpDistance = -1;
tmpDistance = -(plane.d + plane.vectorNormal.DotProduct(origin));
tmpDistance /= plane.vectorNormal.DotProduct(direction);
if (tmpDistance > -1 && tmpDistance < float.MaxValue)
{
intersectionPoint = origin + direction * tmpDistance;
return returnColor = BackgroundColor(intersectionPoint);
}
return returnColor;
}
Vector3D vectorObser = new Vector3D();
Vector3D vectorLight = new Vector3D();
Vector3D reflectedRay = new Vector3D();
// Intersection point jest jednoczesnie wektorem normlanym trafionej
// sfery, rowniez znormalizowanym (poniewaz sfera jest o pormieniu 1)
intersectionPoint = origin + direction * distance;
// Ponieważ mamy tylko jedno światło nie trzeba robić pętli po wszystkich
// Wektor od punktu przeciecia do swiatla
vectorLight.x = (float)light.position.X - intersectionPoint.x;
vectorLight.y = (float)light.position.Y - intersectionPoint.y;
vectorLight.z = (float)light.position.Z - intersectionPoint.z;
float lengthLight = vectorLight.Length();
vectorLight /= lengthLight;
// Wektor od punktu przeciecia do obserwatora
vectorObser = origin - intersectionPoint;
vectorObser.Normalize();
// Wektor odbicia
reflectedRay = intersectionPoint * 2;
reflectedRay *= vectorObser.DotProduct(intersectionPoint);
reflectedRay -= vectorObser;
reflectedRay.Normalize();
int red = 0, green = 0, blue = 0;
// Zalamanie
if ((material.krcR > 0 || material.krcG > 0 || material.krcB > 0) && depth < maxDepth)
{
Vector3D refractedRey = new Vector3D();
Vector3D sphereNormal = new Vector3D();
float n = 0;
if (inOut == 1)
//.........这里部分代码省略.........
示例5: RecalculateD
public void RecalculateD(Vector3D mpoint)
{
D = -mpoint.DotProduct(Normal);
}