unsigned int Camera::Initialize()
{
m_viewMatrix = glm::mat4();
m_projMatrix = glm::mat4();
m_viewProjMatrix = glm::mat4();
m_position = glm::vec3(0.0f, 0.0f, 10.0f);
m_target = glm::vec3();
m_up = glm::vec3(0.0f, 1.0f, 0.0f);
m_direction = glm::vec3();
m_right = glm::vec3();
m_windowWidth = CSSET_WINDOW_WIDTH_DEFAULT;
m_windowHeight = CSSET_WINDOW_HEIGHT_DEFAULT;
// now try to read real values
Engine* engine = System::GetInstance()->GetEngineData();
m_windowWidth = (float)engine->width;
m_windowHeight = (float)engine->height;
CalculateProjection();
CalculateViewProjection();
return CS_ERR_NONE;
}
void Camera::FlushDimensions()
{
Engine* engine = System::GetInstance()->GetEngineData();
m_windowWidth = (float)engine->width;
m_windowHeight = (float)engine->height;
CalculateProjection();
CalculateViewProjection();
}
unsigned int Camera::Update()
{
if (m_projDirty)
{
CalculateProjection();
m_projDirty = false;
}
if (m_viewDirty)
{
CalculateViewProjection();
m_viewDirty = false;
}
return CS_ERR_NONE;
}
Camera::Camera(XMFLOAT4 eye, XMFLOAT4 at, XMFLOAT4 up, FLOAT windowWidth, FLOAT windowHeight, FLOAT nearDepth, FLOAT farDepth)
: _eye(eye), _at(at), _up(up), _windowWidth(windowWidth), _windowHeight(windowHeight), _nearDepth(nearDepth), _farDepth(farDepth)
{
CalculateViewProjection();
}