98 lines
2.7 KiB
C++
Executable File
98 lines
2.7 KiB
C++
Executable File
/**********************************************************************
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*<
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FILE: ipoint3.h
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DESCRIPTION: Class definitions for IPoint3
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CREATED BY: Dan Silva
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HISTORY:
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*> Copyright (c) 1994, All Rights Reserved.
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**********************************************************************/
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#ifndef __IPOINT3__
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#define __IPOINT3__
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class ostream;
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class IPoint3 {
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public:
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int x,y,z;
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// Constructors
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IPoint3(){}
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IPoint3(int X, int Y, int Z) { x = X; y = Y; z = Z; }
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IPoint3(const IPoint3& a) { x = a.x; y = a.y; z = a.z; }
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IPoint3(int ai[3]) { x = ai[0]; y = ai[1]; z = ai[2]; }
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// Access operators
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int& operator[](int i) { return (&x)[i]; }
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const int& operator[](int i) const { return (&x)[i]; }
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// Conversion function
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operator int*() { return(&x); }
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// Unary operators
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IPoint3 operator-() const { return(IPoint3(-x,-y,-z)); }
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IPoint3 operator+() const { return *this; }
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// Assignment operators
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DllExport IPoint3& operator-=(const IPoint3&);
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DllExport IPoint3& operator+=(const IPoint3&);
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// Binary operators
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DllExport IPoint3 operator-(const IPoint3&) const;
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DllExport IPoint3 operator+(const IPoint3&) const;
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DllExport int operator*(const IPoint3&) const; // DOT PRODUCT
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DllExport int DotProd(const IPoint3&) const; // DOT PRODUCT
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DllExport IPoint3 operator^(const IPoint3&) const; // CROSS PRODUCT
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DllExport IPoint3 CrossProd(const IPoint3&) const; // CROSS PRODUCT
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// Relational operators
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int operator==(const IPoint3& p) const { return (x == p.x && y == p.y && z == p.z); }
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int operator!=(const IPoint3& p) const { return ( (x != p.x) || (y != p.y) || (z != p.z) ); }
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};
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// friends, so you can write Length(A) instead of A.Length(), etc.
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int DllExport MaxComponent(const IPoint3&); // the component with the maximum abs value
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int DllExport MinComponent(const IPoint3&); // the component with the minimum abs value
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ostream DllExport &operator<<(ostream&, const IPoint3&);
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// Inlines:
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inline float Length(const IPoint3& v) {
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return (float)sqrt((double)(v.x*v.x+v.y*v.y+v.z*v.z));
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}
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inline IPoint3& IPoint3::operator-=(const IPoint3& a) {
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x -= a.x; y -= a.y; z -= a.z;
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return *this;
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}
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inline IPoint3& IPoint3::operator+=(const IPoint3& a) {
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x += a.x; y += a.y; z += a.z;
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return *this;
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}
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inline IPoint3 IPoint3::operator-(const IPoint3& b) const {
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return(IPoint3(x-b.x,y-b.y,z-b.z));
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}
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inline IPoint3 IPoint3::operator+(const IPoint3& b) const {
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return(IPoint3(x+b.x,y+b.y,z+b.z));
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}
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inline int IPoint3::operator*(const IPoint3& b) const {
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return(x*b.x+y*b.y+z*b.z);
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}
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inline int IPoint3::DotProd(const IPoint3& b) const {
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return(x*b.x+y*b.y+z*b.z);
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}
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#endif
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