blob: f14a7225a1ae70e5f080bf6c595a829c4da7bea5 [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cobalt/math/point3_f.h"
#include "base/stringprintf.h"
namespace cobalt {
namespace math {
std::string Point3F::ToString() const {
return base::StringPrintf("%f,%f,%f", x_, y_, z_);
}
Point3F operator+(const Point3F& lhs, const Vector3dF& rhs) {
float x = lhs.x() + rhs.x();
float y = lhs.y() + rhs.y();
float z = lhs.z() + rhs.z();
return Point3F(x, y, z);
}
// Subtract a vector from a point, producing a new point offset by the vector's
// inverse.
Point3F operator-(const Point3F& lhs, const Vector3dF& rhs) {
float x = lhs.x() - rhs.x();
float y = lhs.y() - rhs.y();
float z = lhs.z() - rhs.z();
return Point3F(x, y, z);
}
// Subtract one point from another, producing a vector that represents the
// distances between the two points along each axis.
Vector3dF operator-(const Point3F& lhs, const Point3F& rhs) {
float x = lhs.x() - rhs.x();
float y = lhs.y() - rhs.y();
float z = lhs.z() - rhs.z();
return Vector3dF(x, y, z);
}
} // namespace math
} // namespace cobalt