eve::math::steering 命名空间参考

类
struct	Vector2
	Stateless steering vector algorithms shared by 2D and 3D callers. 更多...
struct	Vector3
	Plain 3D value used by the stateless steering calculations. 更多...

函数
Vector2	seek (Vector2 position, Vector2 target, float maxSpeed)
	Returns a velocity of at most maxSpeed directed from position to target.
Vector3	seek (Vector3 position, Vector3 target, float maxSpeed)
	Returns a velocity of at most maxSpeed directed from position to target.
Vector2	flee (Vector2 position, Vector2 target, float maxSpeed)
	Returns a velocity of at most maxSpeed directed away from target.
Vector3	flee (Vector3 position, Vector3 target, float maxSpeed)
	Returns a velocity of at most maxSpeed directed away from target.
Vector2	arrive (Vector2 position, Vector2 target, float maxSpeed, float slowRadius, float stopRadius)
	Slows toward target inside slowRadius and stops inside stopRadius.
Vector3	arrive (Vector3 position, Vector3 target, float maxSpeed, float slowRadius, float stopRadius)
	Slows toward target inside slowRadius and stops inside stopRadius.
Vector2	separation (Vector2 position, std::span< const Vector2 > neighbors, float radius, float maxAcceleration)
	Computes bounded separation acceleration from a borrowed neighbor snapshot.
Vector3	separation (Vector3 position, std::span< const Vector3 > neighbors, float radius, float maxAcceleration)
	Computes bounded separation acceleration from a borrowed neighbor snapshot.
int	pathTarget (Vector2 position, std::span< const Vector2 > points, int current, float tolerance)
	Selects the current path point, advancing across points within tolerance.
int	pathTarget (Vector3 position, std::span< const Vector3 > points, int current, float tolerance)
	Selects the current path point, advancing across points within tolerance.
Vector2	avoid (Vector2 position, Vector2 velocity, Vector2 obstacle, float obstacleRadius, float lookAhead, float maxAcceleration)
	Computes avoidance acceleration away from a predicted obstacle overlap.
Vector3	avoid (Vector3 position, Vector3 velocity, Vector3 obstacle, float obstacleRadius, float lookAhead, float maxAcceleration)
	Computes avoidance acceleration away from a predicted obstacle overlap.

函数说明

arrive() [1/2]

EVENGINE_API_FOUNDATION Vector2 eve::math::steering::arrive	(	Vector2	position,
		Vector2	target,
		float	maxSpeed,
		float	slowRadius,
		float	stopRadius
	)

Slows toward target inside slowRadius and stops inside stopRadius.

在文件 Steering.cpp 第 161 行定义.

引用了 position , 以及 target.

被这些函数引用 eve::math::Math::steeringArrive2() , 以及 eve::math::Math::steeringArrive3().

arrive() [2/2]

EVENGINE_API_FOUNDATION Vector3 eve::math::steering::arrive	(	Vector3	position,
		Vector3	target,
		float	maxSpeed,
		float	slowRadius,
		float	stopRadius
	)

Slows toward target inside slowRadius and stops inside stopRadius.

在文件 Steering.cpp 第 165 行定义.

引用了 position , 以及 target.

avoid() [1/2]

EVENGINE_API_FOUNDATION Vector2 eve::math::steering::avoid	(	Vector2	position,
		Vector2	velocity,
		Vector2	obstacle,
		float	obstacleRadius,
		float	lookAhead,
		float	maxAcceleration
	)

Computes avoidance acceleration away from a predicted obstacle overlap.

在文件 Steering.cpp 第 185 行定义.

引用了 position.

被这些函数引用 eve::math::Math::steeringAvoid2() , 以及 eve::math::Math::steeringAvoid3().

avoid() [2/2]

EVENGINE_API_FOUNDATION Vector3 eve::math::steering::avoid	(	Vector3	position,
		Vector3	velocity,
		Vector3	obstacle,
		float	obstacleRadius,
		float	lookAhead,
		float	maxAcceleration
	)

Computes avoidance acceleration away from a predicted obstacle overlap.

在文件 Steering.cpp 第 189 行定义.

引用了 position.

flee() [1/2]

EVENGINE_API_FOUNDATION Vector2 eve::math::steering::flee	(	Vector2	position,
		Vector2	target,
		float	maxSpeed
	)

Returns a velocity of at most maxSpeed directed away from target.

在文件 Steering.cpp 第 155 行定义.

引用了 position , 以及 target.

被这些函数引用 eve::math::Math::steeringFlee2() , 以及 eve::math::Math::steeringFlee3().

flee() [2/2]

EVENGINE_API_FOUNDATION Vector3 eve::math::steering::flee	(	Vector3	position,
		Vector3	target,
		float	maxSpeed
	)

Returns a velocity of at most maxSpeed directed away from target.

在文件 Steering.cpp 第 158 行定义.

引用了 position , 以及 target.

pathTarget() [1/2]

EVENGINE_API_FOUNDATION int eve::math::steering::pathTarget	(	Vector2	position,
		std::span< const Vector2 >	points,
		int	current,
		float	tolerance
	)

Selects the current path point, advancing across points within tolerance.

返回

A valid point index, or -1 when points is empty or contains a non-finite point. @cost Linear in the number of points advanced during this call.

在文件 Steering.cpp 第 177 行定义.

引用了 current, points , 以及 position.

被这些函数引用 eve::math::Math::steeringPathTarget2() , 以及 eve::math::Math::steeringPathTarget3().

pathTarget() [2/2]

EVENGINE_API_FOUNDATION int eve::math::steering::pathTarget	(	Vector3	position,
		std::span< const Vector3 >	points,
		int	current,
		float	tolerance
	)

Selects the current path point, advancing across points within tolerance.

返回

A valid point index, or -1 when points is empty or contains a non-finite point. @cost Linear in the number of points advanced during this call.

在文件 Steering.cpp 第 181 行定义.

引用了 current, points , 以及 position.

seek() [1/2]

EVENGINE_API_FOUNDATION Vector2 eve::math::steering::seek	(	Vector2	position,
		Vector2	target,
		float	maxSpeed
	)

Returns a velocity of at most maxSpeed directed from position to target.

在文件 Steering.cpp 第 149 行定义.

引用了 position , 以及 target.

被这些函数引用 eve::math::Math::steeringSeek2() , 以及 eve::math::Math::steeringSeek3().

seek() [2/2]

EVENGINE_API_FOUNDATION Vector3 eve::math::steering::seek	(	Vector3	position,
		Vector3	target,
		float	maxSpeed
	)

Returns a velocity of at most maxSpeed directed from position to target.

在文件 Steering.cpp 第 152 行定义.

引用了 position , 以及 target.

separation() [1/2]

EVENGINE_API_FOUNDATION Vector2 eve::math::steering::separation	(	Vector2	position,
		std::span< const Vector2 >	neighbors,
		float	radius,
		float	maxAcceleration
	)

Computes bounded separation acceleration from a borrowed neighbor snapshot.

参数

neighbors

Borrowed only for this call; the function retains no references. @cost Linear in the number of neighbors.

在文件 Steering.cpp 第 169 行定义.

引用了 position , 以及 radius.

被这些函数引用 eve::math::Math::steeringSeparation2() , 以及 eve::math::Math::steeringSeparation3().

separation() [2/2]

EVENGINE_API_FOUNDATION Vector3 eve::math::steering::separation	(	Vector3	position,
		std::span< const Vector3 >	neighbors,
		float	radius,
		float	maxAcceleration
	)

Computes bounded separation acceleration from a borrowed neighbor snapshot.

参数

neighbors

Borrowed only for this call; the function retains no references. @cost Linear in the number of neighbors.

在文件 Steering.cpp 第 173 行定义.

引用了 position , 以及 radius.