83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
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// Copyright (c) 2004-2012 Sundog Software, LLC. All rights reserved worldwide.
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/**
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\file Vector4.h
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\brief A simple 4D vector class.
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*/
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#ifdef SWIG
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%module TritonVector4
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#define TRITONAPI
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%{
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#include "Vector4.h"
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using namespace Triton;
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%}
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#endif
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#ifndef TRITON_VECTOR4_H
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#define TRITON_VECTOR4_H
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#include "MemAlloc.h"
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#include "Vector3.h"
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#pragma pack(push)
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#pragma pack(8)
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namespace Triton
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{
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/** A simple double-precision 4D vector class with no operations defined.
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Essentially a struct with constructors. */
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class Vector4 : public MemObject
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{
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public:
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/** Constructs a Vector4 from the given x, y, z, and w values. */
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Vector4(double px, double py, double pz, double pw) : x(px), y(py), z(pz), w(pw) {
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}
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/** Constructs a Vector4 from a Vector3, setting w to 1. */
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Vector4(const Vector3& v3) : x(v3.x), y(v3.y), z(v3.z), w(1.0) {
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}
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/** Default constructor; initializes the Vector4 to (0, 0, 0, 1) */
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Vector4() : x(0), y(0), z(0), w(1.0) {
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}
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/** Determines the dot product between this vector and another, and returns
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the result. */
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double TRITONAPI Dot (const Vector4& v) const {
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return x * v.x + y * v.y + z * v.z + w * v.w;
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}
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/** Scales each x,y,z value of the vector by a constant n, and returns the result. */
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Vector4 TRITONAPI operator * (double n) const {
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return Vector4(x*n, y*n, z*n, w*n);
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}
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/** Multiplies the components of two vectors together, and returns the result. */
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Vector4 TRITONAPI operator * (const Vector4& v) const {
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return Vector4(x*v.x, y*v.y, z*v.z, w*v.w);
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}
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/** Adds a constant n to each component of the vector, and returns the result. */
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Vector4 TRITONAPI operator + (double n) const {
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return Vector4(x+n, y+n, z+n, w+n);
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}
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/** Subtracts the specified vector from this vector, and returns the result. */
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Vector4 TRITONAPI operator - (const Vector4& v) const {
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return Vector4(x - v.x, y - v.y, z - v.z, w - v.w);
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}
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/** Adds this vector to the specified vector, and returns the result. */
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Vector4 TRITONAPI operator + (const Vector4& v) const {
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return Vector4(x + v.x, y + v.y, z + v.z, w + v.w);
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}
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/** The x, y, z, and w data members are public for convenience. */
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double x, y, z, w;
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};
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}
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#pragma pack(pop)
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#endif
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