camera_class Class Reference

Public Member Functions
	camera_class (const camera_class &)
void	set_position (float, float, float)
void	set_rotation (float, float, float)
XMFLOAT3	get_position ()
XMFLOAT3	get_rotation ()
void	render ()
XMMATRIX	get_view_matrix (XMMATRIX &view_matrix) const
void	render_reflection (float)
void	get_reflection_view_matrix (XMMATRIX &) const

Detailed Description

Definition at line 18 of file camera_class.h.

Constructor & Destructor Documentation

camera_class() [1/2]

camera_class::camera_class

(

)

Definition at line 6 of file camera_class.cpp.

{
    position_x_ = 0.0f;
    position_y_ = 0.0f;
    position_z_ = 0.0f;
 
    rotation_x_ = 0.0f;
    rotation_y_ = 0.0f;
    rotation_z_ = 0.0f;
}

camera_class() [2/2]

camera_class::camera_class

(

const camera_class &

other

)

Definition at line 18 of file camera_class.cpp.

{
}

~camera_class()

camera_class::~camera_class

(

)

Definition at line 23 of file camera_class.cpp.

{
}

Member Function Documentation

get_position()

XMFLOAT3 camera_class::get_position

(

)

Definition at line 44 of file camera_class.cpp.

{
    return XMFLOAT3(position_x_, position_y_, position_z_);
}

get_reflection_view_matrix()

void camera_class::get_reflection_view_matrix

(

XMMATRIX &

reflectionViewMatrix

)

const

Definition at line 167 of file camera_class.cpp.

{
    reflectionViewMatrix = reflection_view_matrix_;
    return;
}

get_rotation()

XMFLOAT3 camera_class::get_rotation

(

)

Definition at line 50 of file camera_class.cpp.

{
    return XMFLOAT3(rotation_x_, rotation_y_, rotation_z_);
}

get_view_matrix()

XMMATRIX camera_class::get_view_matrix

(

XMMATRIX &

view_matrix

)

const

Definition at line 108 of file camera_class.cpp.

{
    view_matrix = view_matrix_;
    return view_matrix;
}

render()

void camera_class::render

(

)

Definition at line 55 of file camera_class.cpp.

{
    XMFLOAT3 up, position, lookAt;
    XMVECTOR upVector, positionVector, lookAtVector;
    float yaw, pitch, roll;
    XMMATRIX rotationMatrix;
 
 
    // Setup the vector that points upwards.
    up.x = 0.0f;
    up.y = 1.0f;
    up.z = 0.0f;
 
    // Load it into a XMVECTOR structure.
    upVector = XMLoadFloat3(&up);
 
    // Setup the position of the camera in the world.
    position.x = position_x_;
    position.y = position_y_;
    position.z = position_z_;
 
    // Load it into a XMVECTOR structure.
    positionVector = XMLoadFloat3(&position);
 
    // Setup where the camera is looking by default.
    lookAt.x = 0.0f;
    lookAt.y = 0.0f;
    lookAt.z = 1.0f;
 
    // Load it into a XMVECTOR structure.
    lookAtVector = XMLoadFloat3(&lookAt);
 
    // Set the yaw (Y axis), pitch (X axis), and roll (Z axis) rotations in radians.
    pitch = rotation_x_ * 0.0174532925f;
    yaw = rotation_y_ * 0.0174532925f;
    roll = rotation_z_ * 0.0174532925f;
 
    // Create the rotation matrix from the yaw, pitch, and roll values.
    rotationMatrix = XMMatrixRotationRollPitchYaw(pitch, yaw, roll);
 
    // Transform the lookAt and up vector by the rotation matrix so the view is correctly rotated at the origin.
    lookAtVector = XMVector3TransformCoord(lookAtVector, rotationMatrix);
    upVector = XMVector3TransformCoord(upVector, rotationMatrix);
 
    // Translate the rotated camera position to the location of the viewer.
    lookAtVector = XMVectorAdd(positionVector, lookAtVector);
 
    // Finally create the view matrix from the three updated vectors.
    view_matrix_ = XMMatrixLookAtLH(positionVector, lookAtVector, upVector);
 
    return;
}

render_reflection()

void camera_class::render_reflection

(

float

height

)

Definition at line 114 of file camera_class.cpp.

{
    XMFLOAT3 up, position, lookAt;
    XMVECTOR upVector, positionVector, lookAtVector;
    float yaw, pitch, roll;
    XMMATRIX rotationMatrix;
 
 
    // Setup the vector that points upwards.
    up.x = 0.0f;
    up.y = 1.0f;
    up.z = 0.0f;
 
    // Load it into a XMVECTOR structure.
    upVector = XMLoadFloat3(&up);
 
    // Setup the position of the camera in the world.
    position.x = position_x_;
    position.y = -position_y_ + (height * 2.0f);
    position.z = position_z_;
 
    // Load it into a XMVECTOR structure.
    positionVector = XMLoadFloat3(&position);
 
    // Setup where the camera is looking by default.
    lookAt.x = 0.0f;
    lookAt.y = 0.0f;
    lookAt.z = 1.0f;
 
    // Load it into a XMVECTOR structure.
    lookAtVector = XMLoadFloat3(&lookAt);
 
    // Set the yaw (Y axis), pitch (X axis), and roll (Z axis) rotations in radians.
    pitch = (-1.0f * rotation_x_) * 0.0174532925f;  // Invert for reflection
    yaw = rotation_y_ * 0.0174532925f;
    roll = rotation_z_ * 0.0174532925f;
 
    // Create the rotation matrix from the yaw, pitch, and roll values.
    rotationMatrix = XMMatrixRotationRollPitchYaw(pitch, yaw, roll);
 
    // Transform the lookAt and up vector by the rotation matrix so the view is correctly rotated at the origin.
    lookAtVector = XMVector3TransformCoord(lookAtVector, rotationMatrix);
    upVector = XMVector3TransformCoord(upVector, rotationMatrix);
 
    // Translate the rotated camera position to the location of the viewer.
    lookAtVector = XMVectorAdd(positionVector, lookAtVector);
 
    // Finally create the view matrix from the three updated vectors.
    reflection_view_matrix_ = XMMatrixLookAtLH(positionVector, lookAtVector, upVector);
 
    return;
}

set_position()

void camera_class::set_position	(	float	x,
		float	y,
		float	z )

Definition at line 27 of file camera_class.cpp.

{
    position_x_ = x;
    position_y_ = y;
    position_z_ = z;
    return;
}

set_rotation()

void camera_class::set_rotation	(	float	x,
		float	y,
		float	z )

Definition at line 36 of file camera_class.cpp.

{
    rotation_x_ = x;
    rotation_y_ = y;
    rotation_z_ = z;
    return;
}

---

The documentation for this class was generated from the following files:

• enginecustom/src/inc/system/camera_class.h
• enginecustom/src/src/system/camera_class.cpp