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- class vdfloat2 {
- public:
- typedef vdfloat2 self_type;
- typedef float value_type;
-
- void set(float x2, float y2) { x=x2; y=y2; }
-
- float& operator[](int k) { return v[k]; }
- const float& operator[](int k) const { return v[k]; }
-
- float lensq() const { return x*x + y*y; }
-
- self_type operator-() const { self_type a = {-x, -y}; return a; }
-
- self_type operator+(const self_type& r) const { self_type a = {x+r.x, y+r.y}; return a; }
- self_type operator-(const self_type& r) const { self_type a = {x-r.x, y-r.y}; return a; }
-
- self_type& operator+=(const self_type& r) { x+=r.x; y+=r.y; return *this; }
- self_type& operator-=(const self_type& r) { x-=r.x; y-=r.y; return *this; }
-
- self_type operator*(const float s) const { self_type a = {x*s, x*s}; return a; }
- self_type& operator*=(const float s) { x*=s; y*=s; return *this; }
-
- self_type operator/(const float s) const { const float inv(float(1)/s); self_type a = {x*inv, y*inv}; return a; }
- self_type& operator/=(const float s) { const float inv(float(1)/s); x*=inv; y*=inv; return *this; }
-
- self_type operator*(const self_type& r) const { self_type a = {x*r.x, y*r.y}; return a; }
- self_type& operator*=(const self_type& r) { x*=r.x; y*=r.y; return *this; }
-
- self_type operator/(const self_type& r) const { self_type a = {x/r.x, y/r.y}; return a; }
- self_type& operator/=(const self_type& r) { x/=r.x; y/=r.y; return *this; }
-
- union {
- struct {
- float x;
- float y;
- };
- float v[2];
- };
- };
-
- VDFORCEINLINE vdfloat2 operator*(const float s, const vdfloat2& v) { return v*s; }
-
- ///////////////////////////////////////////////////////////////////////////
-
- class vdfloat3 {
- public:
- typedef vdfloat3 self_type;
- typedef float value_type;
-
- void set(float x2, float y2, float z2) { x=x2; y=y2; z=z2; }
-
- float& operator[](int k) { return v[k]; }
- const float& operator[](int k) const { return v[k]; }
-
- float lensq() const { return x*x + y*y + z*z; }
-
- vdfloat2 project() const { const float inv(float(1)/z); const vdfloat2 a = {x*inv, y*inv}; return a; }
- vdfloat2 as2d() const { const vdfloat2 a = {x, y}; return a; }
-
- self_type operator-() const { const self_type a = {-x, -y, -z}; return a; }
-
- self_type operator+(const self_type& r) const { const self_type a = {x+r.x, y+r.y, z+r.z}; return a; }
- self_type operator-(const self_type& r) const { const self_type a = {x-r.x, y-r.y, z-r.z}; return a; }
-
- self_type& operator+=(const self_type& r) { x+=r.x; y+=r.y; z+=r.z; return *this; }
- self_type& operator-=(const self_type& r) { x-=r.x; y-=r.y; z-=r.z; return *this; }
-
- self_type operator*(const float s) const { const self_type a = {x*s, y*s, z*s}; return a; }
- self_type& operator*=(const float s) { x*=s; y*=s; z*=s; return *this; }
-
- self_type operator/(const float s) const { const float inv(float(1)/s); const self_type a = {x*inv, y*inv, z*inv}; return a; }
- self_type& operator/=(const float s) { const float inv(float(1)/s); x*=inv; y*=inv; z*=inv; return *this; }
-
- self_type operator*(const self_type& r) const { self_type a = {x*r.x, y*r.y, z*r.z}; return a; }
- self_type& operator*=(const self_type& r) { x*=r.x; y*=r.y; z*=r.z; return *this; }
-
- self_type operator/(const self_type& r) const { self_type a = {x/r.x, y/r.y, z/r.z}; return a; }
- self_type& operator/=(const self_type& r) { x/=r.x; y/=r.y; z/=r.z; return *this; }
-
- union {
- struct {
- float x;
- float y;
- float z;
- };
- float v[3];
- };
- };
-
- VDFORCEINLINE vdfloat3 operator*(const float s, const vdfloat3& v) { return v*s; }
-
- ///////////////////////////////////////////////////////////////////////////
-
- class vdfloat4 {
- public:
- typedef vdfloat4 self_type;
- typedef float value_type;
-
- void setzero() { x=y=z=w = 0; }
- void set(float x2, float y2, float z2, float w2) { x=x2; y=y2; z=z2; w=w2; }
-
- float& operator[](int i) { return v[i]; }
- const float& operator[](int i) const { return v[i]; }
-
- float lensq() const { return x*x + y*y + z*z + w*w; }
-
- vdfloat3 project() const { const float inv(float(1)/w); const vdfloat3 a = {x*inv, y*inv, z*inv}; return a; }
-
- self_type operator-() const { const self_type a = {-x, -y, -z, -w}; return a; }
-
- self_type operator+(const self_type& r) const { const self_type a = {x+r.x, y+r.y, z+r.z, w+r.w}; return a; }
- self_type operator-(const self_type& r) const { const self_type a = {x-r.x, y-r.y, z-r.z, w-r.w}; return a; }
-
- self_type& operator+=(const self_type& r) { x+=r.x; y+=r.y; z+=r.z; w+=r.w; return *this; }
- self_type& operator-=(const self_type& r) { x-=r.x; y-=r.y; z-=r.z; w-=r.w; return *this; }
-
- self_type operator*(const float factor) const { const self_type a = {x*factor, y*factor, z*factor, w*factor}; return a; }
- self_type operator/(const float factor) const { const float inv(float(1) / factor); const self_type a = {x*inv, y*inv, z*inv, w*inv}; return a; }
-
- self_type& operator*=(const float factor) { x *= factor; y *= factor; z *= factor; w *= factor; return *this; }
- self_type& operator/=(const float factor) { const float inv(float(1) / factor); x *= inv; y *= inv; z *= inv; w *= inv; return *this; }
-
- self_type operator*(const self_type& r) const { self_type a = {x*r.x, y*r.y, z*r.z, w*r.w}; return a; }
- self_type& operator*=(const self_type& r) { x*=r.x; y*=r.y; z*=r.z; w*=r.w; return *this; }
-
- self_type operator/(const self_type& r) const { self_type a = {x/r.x, y/r.y, z/r.z, w*r.w}; return a; }
- self_type& operator/=(const self_type& r) { x/=r.x; y/=r.y; z/=r.z; w/=r.w; return *this; }
-
- union {
- struct {
- float x;
- float y;
- float z;
- float w;
- };
- float v[4];
- };
- };
-
- VDFORCEINLINE vdfloat4 operator*(const float s, const vdfloat4& v) { return v*s; }
-
- ///////////////////////////////////////////////////////////////////////////
-
- class vdfloat2c : public vdfloat2 {
- public:
- VDFORCEINLINE vdfloat2c(float x2, float y2) {x=x2; y=y2;}
- VDFORCEINLINE vdfloat2c(const float src[2]) {x=src[0]; y=src[1];}
- };
-
- class vdfloat3c : public vdfloat3 {
- public:
- VDFORCEINLINE vdfloat3c(float x2, float y2, float z2) { x=x2; y=y2; z=z2; }
- VDFORCEINLINE vdfloat3c(const float src[3]) { x=src[0]; y=src[1]; z=src[2]; }
- };
-
- class vdfloat4c : public vdfloat4 {
- public:
- VDFORCEINLINE vdfloat4c(float x2, float y2, float z2, float w2) { x=x2; y=y2; z=z2; w=w2; }
- VDFORCEINLINE vdfloat4c(const float src[4]) { x=src[0]; y=src[1]; z=src[2]; w=src[3]; }
- };
-
-
- ///////////////////////////////////////////////////////////////////////////
-
- namespace nsVDMath {
- VDFORCEINLINE float length(const vdfloat2& a) {
- return sqrtf(a.x*a.x + a.y*a.y);
- }
-
- VDFORCEINLINE float length(const vdfloat3& a) {
- return sqrtf(a.x*a.x + a.y*a.y + a.z*a.z);
- }
-
- VDFORCEINLINE float length(const vdfloat4& a) {
- return sqrtf(a.x*a.x + a.y*a.y + a.z*a.z + a.w*a.w);
- }
-
- VDFORCEINLINE vdfloat2 normalize(const vdfloat2& a) {
- return a / length(a);
- }
-
- VDFORCEINLINE vdfloat3 normalize(const vdfloat3& a) {
- return a / length(a);
- }
-
- VDFORCEINLINE vdfloat4 normalize(const vdfloat4& a) {
- return a / length(a);
- }
-
- VDFORCEINLINE float dot(const vdfloat2& a, const vdfloat2& b) {
- return a.x*b.x + a.y*b.y;
- }
-
- VDFORCEINLINE float dot(const vdfloat3& a, const vdfloat3& b) {
- return a.x*b.x + a.y*b.y + a.z*b.z;
- }
-
- VDFORCEINLINE float dot(const vdfloat4& a, const vdfloat4& b) {
- return a.x*b.x + a.y*b.y + a.z*b.z + a.w*b.w;
- }
-
- VDFORCEINLINE vdfloat3 cross(const vdfloat3& a, const vdfloat3& b) {
- const vdfloat3 r = {a.y*b.z - a.z*b.y, a.z*b.x - a.x*b.z, a.x*b.y - a.y*b.x};
- return r;
- }
- };
-