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/**
@file Vector4.inl
@maintainer Morgan McGuire, matrix@graphics3d.com
@created 2002-07-09
@edited 2003-02-10
*/
//----------------------------------------------------------------------------
inline unsigned int hashCode(const G3D::Vector4& v) {
return v.hashCode();
}
namespace G3D {
//----------------------------------------------------------------------------
inline Vector4::Vector4() {
x = y = z = w = 0;
}
//----------------------------------------------------------------------------
inline Vector4::Vector4 (float fX, float fY, float fZ, float fW) {
x = fX;
y = fY;
z = fZ;
w = fW;
}
//----------------------------------------------------------------------------
inline Vector4::Vector4 (float afCoordinate[4]) {
x = afCoordinate[0];
y = afCoordinate[1];
z = afCoordinate[2];
w = afCoordinate[3];
}
//----------------------------------------------------------------------------
inline Vector4::Vector4(const Vector4& rkVector) {
x = rkVector.x;
y = rkVector.y;
z = rkVector.z;
w = rkVector.w;
}
//----------------------------------------------------------------------------
inline Vector4::Vector4(const Vector3& rkVector, float fW) {
x = rkVector.x;
y = rkVector.y;
z = rkVector.z;
w = fW;
}
//----------------------------------------------------------------------------
inline float& Vector4::operator[] (int i) {
return ((float*)this)[i];
}
//----------------------------------------------------------------------------
inline const float& Vector4::operator[] (int i) const {
return ((float*)this)[i];
}
//----------------------------------------------------------------------------
inline Vector4::operator float* () {
return (float*)this;
}
inline Vector4::operator const float* () const {
return (float*)this;
}
//----------------------------------------------------------------------------
inline Vector4& Vector4::operator= (const Vector4& rkVector) {
x = rkVector.x;
y = rkVector.y;
z = rkVector.z;
w = rkVector.w;
return *this;
}
//----------------------------------------------------------------------------
inline bool Vector4::operator== (const Vector4& rkVector) const {
return ( (x == rkVector.x) && (y == rkVector.y) && (z == rkVector.z) && (w == rkVector.w));
}
//----------------------------------------------------------------------------
inline bool Vector4::operator!= (const Vector4& rkVector) const {
return ( x != rkVector.x || y != rkVector.y || z != rkVector.z || w != rkVector.w);
}
//----------------------------------------------------------------------------
inline Vector4 Vector4::operator+ (const Vector4& rkVector) const {
return Vector4(x + rkVector.x, y + rkVector.y, z + rkVector.z, w + rkVector.w);
}
//----------------------------------------------------------------------------
inline Vector4 Vector4::operator- (const Vector4& rkVector) const {
return Vector4(x - rkVector.x, y - rkVector.y, z - rkVector.z, w - rkVector.w);
}
//----------------------------------------------------------------------------
inline Vector4 Vector4::operator* (float fScalar) const {
return Vector4(fScalar*x, fScalar*y, fScalar*z, fScalar*w);
}
//----------------------------------------------------------------------------
inline Vector4 Vector4::operator- () const {
return Vector4( -x, -y, -z, -w);
}
//----------------------------------------------------------------------------
inline Vector4& Vector4::operator+= (const Vector4& rkVector) {
x += rkVector.x;
y += rkVector.y;
z += rkVector.z;
w += rkVector.w;
return *this;
}
//----------------------------------------------------------------------------
inline Vector4& Vector4::operator-= (const Vector4& rkVector) {
x -= rkVector.x;
y -= rkVector.y;
z -= rkVector.z;
w -= rkVector.w;
return *this;
}
//----------------------------------------------------------------------------
inline Vector4 Vector4::lerp(const Vector4& v, float alpha) const {
return (*this) + (v - *this) * alpha;
}
//----------------------------------------------------------------------------
inline Vector4& Vector4::operator*= (float fScalar) {
x *= fScalar;
y *= fScalar;
z *= fScalar;
w *= fScalar;
return *this;
}
//----------------------------------------------------------------------------
inline float Vector4::dot(const Vector4& rkVector) const {
return x*rkVector.x + y*rkVector.y + z*rkVector.z + w*rkVector.w;
}
//----------------------------------------------------------------------------
inline Vector4 Vector4::min(const Vector4 &v) const {
return Vector4(G3D::min(v.x, x), G3D::min(v.y, y), G3D::min(v.z, z), G3D::min(v.w, w));
}
//----------------------------------------------------------------------------
inline Vector4 Vector4::max(const Vector4 &v) const {
return Vector4(G3D::max(v.x, x), G3D::max(v.y, y), G3D::max(v.z, z), G3D::max(v.w, w));
}
//----------------------------------------------------------------------------
inline bool Vector4::isZero() const {
return (x == 0.0f) && (y == 0.0f) && (z == 0.0f) && (w == 0.0f);
}
//----------------------------------------------------------------------------
inline bool Vector4::isFinite() const {
return G3D::isFinite(x) && G3D::isFinite(y) && G3D::isFinite(z) && G3D::isFinite(w);
}
//----------------------------------------------------------------------------
inline bool Vector4::isUnit() const {
return squaredLength() == 1.0;
}
//----------------------------------------------------------------------------
inline float Vector4::length() const {
return sqrtf(squaredLength());
}
//----------------------------------------------------------------------------
inline float Vector4::squaredLength() const {
return x * x + y * y + z * z + w * w;
}
}
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