35 lines
688 B
C++
35 lines
688 B
C++
#include "Vertex3d.h"
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#include <math.h>
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float Vertex3d::distanceSq(const Vertex3d &v) const {
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return (x - v.x)*(x - v.x) + (y - v.y)*(y - v.y) + (z - v.z)*(z - v.z);
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}
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float Vertex3d::distance(const Vertex3d &v) const {
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return sqrtf(distanceSq(v));
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}
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Vertex3d Vertex3d::operator+(const Vertex3d &v) const {
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return Vertex3d(x + v.x, y + v.y, z + v.z);
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}
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Vertex3d Vertex3d::operator-(const Vertex3d &v) const {
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return Vertex3d(x - v.x, y - v.y, z - v.z);
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}
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Vertex3d& Vertex3d::operator+=(const Vertex3d &v) {
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x += v.x;
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y += v.y;
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z += v.z;
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return *this;
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}
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Vertex3d& Vertex3d::operator-=(const Vertex3d &v) {
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x -= v.x;
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y -= v.y;
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z -= v.z;
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return *this;
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}
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