Camera::Camera(const CameraData& cameraData)
: m_pos(cameraData.m_pos), m_direction(cameraData.m_direction), m_up(cameraData.m_up),
m_ratio(cameraData.m_ratio), m_fov(cameraData.m_fov), m_zNear(cameraData.m_znear),
m_zFar(cameraData.m_zfar), m_mousePos(cameraData.m_mouse_pos)
{
m_strafeDirection = glm::cross(m_direction, m_up);
UpdateViewProjection();
}
void Camera::Update() const
{
if (isDirty_)
{
isDirty_ = false;
UpdateProjection();
UpdateViewProjection();
signalUpdated_->Run();
}
}
void Camera::mouseUpdate(const glm::vec2& position)
{
glm::vec2 delta = (m_mousePos - position) / ROTATION_SPEED;
if (glm::length(delta) < 0.075f)
{
m_strafeDirection = glm::cross(m_direction, m_up);
glm::mat4 rotation = glm::rotate(delta.x, m_up) *
glm::rotate(delta.y, m_strafeDirection);
m_direction = glm::mat3(rotation) * m_direction;
UpdateViewProjection();
}
m_mousePos = position;
}
void Camera::moveDown()
{
m_pos -= MOVEMENT_SPEED * m_up;
UpdateViewProjection();
}
void Camera::strafeRight()
{
m_pos += MOVEMENT_SPEED * m_strafeDirection;
UpdateViewProjection();
}
void Camera::moveBackward()
{
m_pos -= MOVEMENT_SPEED * m_direction;
UpdateViewProjection();
}
void RendererD3D::SetProjectionMatrix(const Matrix4x4& projection)
{
mProjectionMatrix = projection;
UpdateViewProjection();
}
void RendererD3D::SetViewMatrix(const Matrix4x4& view)
{
mViewMatrix = view;
UpdateViewProjection();
}
