void CCCameraBase::setupViewport(const float x, const float y, const float width, const float height)
{
const float invY = ( 1.0f-height ) - y;
const float backBufferWidth = gEngine->renderer->getBackBufferWidth();
const float backBufferHeight = gEngine->renderer->getBackBufferHeight();
const float definedWidth = width * backBufferWidth;
const float definedHeight = height * backBufferHeight;
viewport[0] = x * backBufferWidth;
viewport[1] = invY * backBufferHeight;
viewport[2] = definedWidth;
viewport[3] = definedHeight;
cameraX = x;
cameraY = y;
cameraW = width;
cameraH = height;
invCameraW = 1.0f / cameraW;
invCameraH = 1.0f / cameraH;
aspectRatio = definedWidth / definedHeight;
GluPerspective( 60.0f, aspectRatio );
}
void CCCameraBase::setPerspective(const float perspective)
{
this->perspective = perspective;
GluPerspective( perspective, aspectRatio );
}
void CCCameraBase::setNearFar(const float zNear, const float zFar)
{
this->zNear = zNear;
this->zFar = zFar;
GluPerspective( 60.0f, aspectRatio );
}
