75 lines
1002 B
C
75 lines
1002 B
C
#ifndef POINT_H
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#include "vec.h"
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// STRUCTURE
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struct Point
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{
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inline Point(void) : x(0), y(0), z(0), w(1) {}
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inline Point(float x, float y, float z) : x(x), y(y), z(z), w(1) {}
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union
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{
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float e[4];
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struct
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{
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float x, y, z, w;
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};
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};
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};
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// OPERATORS
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// p / f
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inline Point operator/(Point const &p, float f)
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{
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Point result;
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float inverse = 1.0f / f;
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result.x = p.x * inverse;
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result.y = p.y * inverse;
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result.z = p.z * inverse;
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return result;
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}
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// v /= f
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inline Point &operator/=(Point &p, float f)
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{
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p = p / f;
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return p;
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}
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// p1 - p2
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inline Vector operator-(Point const &p1, Point const &p2)
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{
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Vector result;
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result.x = p1.x - p2.x;
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result.y = p1.y - p2.y;
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result.z = p1.z - p2.z;
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return result;
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}
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// -p
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inline Point operator-(Point const &p)
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{
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Point result;
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result.x = -p.x;
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result.y = -p.y;
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result.z = -p.z;
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return result;
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}
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#define POINT_H
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#endif
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