Differential D13756 Diff 46700 source/blender/blenlib/BLI_float3.hh

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source/blender/blenlib/BLI_float3.hh

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* along with this program; if not, write to the Free Software Foundation,		* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.		* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/		*/

#pragma once		#pragma once

#include <iostream>		#include <iostream>

		#include "BLI_float2.hh"
#include "BLI_math_vector.h"		#include "BLI_math_vector.h"

namespace blender {		namespace blender {

struct float3 {		struct float3 {
float x, y, z;		float x, y, z;

float3() = default;		float3() = default;
Show All 13 Lines	struct float3 {
explicit float3(int value) : x(value), y(value), z(value)		explicit float3(int value) : x(value), y(value), z(value)
{		{
}		}

float3(float x, float y, float z) : x{x}, y{y}, z{z}		float3(float x, float y, float z) : x{x}, y{y}, z{z}
{		{
}		}

		float3(float2 xy, float z) : x(xy.x), y(xy.y), z(z)
		{
		}

		float3(float x, float2 yz) : x(x), y(yz.x), z(yz.y)
		{
		}

		/** Conversions. */

		explicit operator float2() const
		{
		return float2(x, y);
		}

operator const float *() const		operator const float *() const
{		{
return &x;		return &x;
}		}

operator float *()		operator float *()
{		{
return &x;		return &x;
}		}

		/** Array access. */

		const float &operator[](int64_t index) const
		{
		BLI_assert(index < 3);
		return (&x)[index];
		}

		float &operator[](int64_t index)
		{
		BLI_assert(index < 3);
		return (&x)[index];
		}

		/** Arithmetic. */

friend float3 operator+(const float3 &a, const float3 &b)		friend float3 operator+(const float3 &a, const float3 &b)
{		{
return {a.x + b.x, a.y + b.y, a.z + b.z};		return {a.x + b.x, a.y + b.y, a.z + b.z};
}		}

friend float3 operator+(const float3 &a, const float &b)		friend float3 operator+(const float3 &a, const float &b)
{		{
return {a.x + b, a.y + b, a.z + b};		return {a.x + b, a.y + b, a.z + b};
}		}

		friend float3 operator+(const float &a, const float3 &b)
		{
		return b + a;
		}

float3 &operator+=(const float3 &b)		float3 &operator+=(const float3 &b)
{		{
this->x += b.x;		x += b.x;
this->y += b.y;		y += b.y;
this->z += b.z;		z += b.z;
return *this;		return *this;
}		}

friend float3 operator-(const float3 &a, const float3 &b)		float3 &operator+=(const float &b)
{		{
return {a.x - b.x, a.y - b.y, a.z - b.z};		x += b;
		y += b;
		z += b;
		return *this;
}		}

friend float3 operator-(const float3 &a)		friend float3 operator-(const float3 &a)
{		{
return {-a.x, -a.y, -a.z};		return {-a.x, -a.y, -a.z};
}		}

		friend float3 operator-(const float3 &a, const float3 &b)
		{
		return {a.x - b.x, a.y - b.y, a.z - b.z};
		}

friend float3 operator-(const float3 &a, const float &b)		friend float3 operator-(const float3 &a, const float &b)
{		{
return {a.x - b, a.y - b, a.z - b};		return {a.x - b, a.y - b, a.z - b};
}		}

float3 &operator-=(const float3 &b)		friend float3 operator-(const float &a, const float3 &b)
{		{
this->x -= b.x;		return {a - b.x, a - b.y, a - b.z};
this->y -= b.y;
this->z -= b.z;
return *this;
}		}

float3 &operator*=(float scalar)		float3 &operator-=(const float3 &b)
{		{
this->x *= scalar;		x -= b.x;
this->y *= scalar;		y -= b.y;
this->z *= scalar;		z -= b.z;
return *this;		return *this;
}		}

float3 &operator*=(const float3 &other)		float3 &operator-=(const float &b)
{		{
this->x *= other.x;		x -= b;
this->y *= other.y;		y -= b;
this->z *= other.z;		z -= b;
return *this;		return *this;
}		}

friend float3 operator*(const float3 &a, const float3 &b)		friend float3 operator*(const float3 &a, const float3 &b)
{		{
return {a.x * b.x, a.y * b.y, a.z * b.z};		return {a.x * b.x, a.y * b.y, a.z * b.z};
}		}

friend float3 operator*(const float3 &a, float b)		friend float3 operator*(const float3 &a, float b)
{		{
return {a.x * b, a.y * b, a.z * b};		return {a.x * b, a.y * b, a.z * b};
}		}

friend float3 operator*(float a, const float3 &b)		friend float3 operator*(float a, const float3 &b)
{		{
return b * a;		return b * a;
}		}

		float3 &operator*=(float b)
		{
		x *= b;
		y *= b;
		z *= b;
		return *this;
		}

		float3 &operator*=(const float3 &b)
		{
		x *= b.x;
		y *= b.y;
		z *= b.z;
		return *this;
		}

		friend float3 operator/(const float3 &a, const float3 &b)
		{
		BLI_assert(b.x != 0.0f && b.y != 0.0f && b.z != 0.0f);
		return {a.x / b.x, a.y / b.y, a.z / b.z};
		}

friend float3 operator/(const float3 &a, float b)		friend float3 operator/(const float3 &a, float b)
{		{
BLI_assert(b != 0.0f);		BLI_assert(b != 0.0f);
return {a.x / b, a.y / b, a.z / b};		return {a.x / b, a.y / b, a.z / b};
}		}

friend std::ostream &operator<<(std::ostream &stream, const float3 &v)		friend float3 operator/(float a, const float3 &b)
{		{
stream << "(" << v.x << ", " << v.y << ", " << v.z << ")";		BLI_assert(b.x != 0.0f && b.y != 0.0f && b.z != 0.0f);
return stream;		return {a / b.x, a / b.y, a / b.z};
}		}

		float3 &operator/=(float b)
		{
		BLI_assert(b != 0.0f);
		x /= b;
		y /= b;
		z /= b;
		return *this;
		}

		float3 &operator/=(const float3 &b)
		{
		BLI_assert(b.x != 0.0f && b.y != 0.0f && b.z != 0.0f);
		x /= b.x;
		y /= b.y;
		z /= b.z;
		return *this;
		}

		/** Compare. */

friend bool operator==(const float3 &a, const float3 &b)		friend bool operator==(const float3 &a, const float3 &b)
{		{
return a.x == b.x && a.y == b.y && a.z == b.z;		return a.x == b.x && a.y == b.y && a.z == b.z;
}		}

friend bool operator!=(const float3 &a, const float3 &b)		friend bool operator!=(const float3 &a, const float3 &b)
{		{
return !(a == b);		return !(a == b);
}		}

		/** Print. */

		friend std::ostream &operator<<(std::ostream &stream, const float3 &v)
		{
		stream << "(" << v.x << ", " << v.y << ", " << v.z << ")";
		return stream;
		}

float normalize_and_get_length()		float normalize_and_get_length()
{		{
return normalize_v3(*this);		return normalize_v3(*this);
}		}

/**		/**
* Normalizes the vector in place.		* Normalizes the vector in place.
*/		*/
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