diff options
Diffstat (limited to 'dep/src/g3dlite/Vector4.cpp')
| -rw-r--r-- | dep/src/g3dlite/Vector4.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/dep/src/g3dlite/Vector4.cpp b/dep/src/g3dlite/Vector4.cpp index fbab13ea0ae..91f916d1040 100644 --- a/dep/src/g3dlite/Vector4.cpp +++ b/dep/src/g3dlite/Vector4.cpp @@ -1,9 +1,12 @@ /** @file Vector4.cpp + @maintainer Morgan McGuire, matrix@graphics3d.com + @created 2001-07-09 @edited 2003-09-29 */ + #include <stdlib.h> #include <limits> #include "G3D/Vector4.h" @@ -11,14 +14,18 @@ #include "G3D/g3dmath.h" #include "G3D/format.h" #include "G3D/stringutils.h" + namespace G3D { + unsigned int Vector4::hashCode() const { unsigned int xhash = (*(int*)(void*)(&x)); unsigned int yhash = (*(int*)(void*)(&y)); unsigned int zhash = (*(int*)(void*)(&z)); unsigned int whash = (*(int*)(void*)(&w)); + return xhash + (yhash * 37) + (zhash * 101) + (whash * 241); } + #if 0 Vector4::Vector4(const class Color4& c) { x = c.r; @@ -28,6 +35,7 @@ Vector4::Vector4(const class Color4& c) { } #endif + Vector4::Vector4(const Vector2& v1, const Vector2& v2) { x = v1.x; y = v1.y; @@ -35,15 +43,19 @@ Vector4::Vector4(const Vector2& v1, const Vector2& v2) { w = v2.y; } + Vector4::Vector4(const Vector2& v1, float fz, float fw) { x = v1.x; y = v1.y; z = fz; w = fw; } + //---------------------------------------------------------------------------- + Vector4 Vector4::operator/ (float fScalar) const { Vector4 kQuot; + if ( fScalar != 0.0 ) { float fInvScalar = 1.0f / fScalar; kQuot.x = fInvScalar * x; @@ -55,6 +67,7 @@ Vector4 Vector4::operator/ (float fScalar) const { return Vector4::inf(); } } + //---------------------------------------------------------------------------- Vector4& Vector4::operator/= (float fScalar) { if (fScalar != 0.0f) { @@ -66,14 +79,18 @@ Vector4& Vector4::operator/= (float fScalar) { } else { *this = Vector4::inf(); } + return *this; } + //---------------------------------------------------------------------------- + std::string Vector4::toString() const { return G3D::format("(%g, %g, %g, %g)", x, y, z, w); } // 2-char swizzles + Vector2 Vector4::xx() const { return Vector2 (x, x); } Vector2 Vector4::yx() const { return Vector2 (y, x); } Vector2 Vector4::zx() const { return Vector2 (z, x); } @@ -90,7 +107,9 @@ Vector2 Vector4::xw() const { return Vector2 (x, w); } Vector2 Vector4::yw() const { return Vector2 (y, w); } Vector2 Vector4::zw() const { return Vector2 (z, w); } Vector2 Vector4::ww() const { return Vector2 (w, w); } + // 3-char swizzles + Vector3 Vector4::xxx() const { return Vector3 (x, x, x); } Vector3 Vector4::yxx() const { return Vector3 (y, x, x); } Vector3 Vector4::zxx() const { return Vector3 (z, x, x); } @@ -155,7 +174,9 @@ Vector3 Vector4::xww() const { return Vector3 (x, w, w); } Vector3 Vector4::yww() const { return Vector3 (y, w, w); } Vector3 Vector4::zww() const { return Vector3 (z, w, w); } Vector3 Vector4::www() const { return Vector3 (w, w, w); } + // 4-char swizzles + Vector4 Vector4::xxxx() const { return Vector4 (x, x, x, x); } Vector4 Vector4::yxxx() const { return Vector4 (y, x, x, x); } Vector4 Vector4::zxxx() const { return Vector4 (z, x, x, x); } @@ -413,5 +434,6 @@ Vector4 Vector4::ywww() const { return Vector4 (y, w, w, w); } Vector4 Vector4::zwww() const { return Vector4 (z, w, w, w); } Vector4 Vector4::wwww() const { return Vector4 (w, w, w, w); } + }; // namespace |