void CCCameraBase::setupViewport(float x, float y, float width, float height, const int frameBufferID)
{
this->frameBufferID = frameBufferID;
viewportX = x;
viewportY = y;
viewportX2 = x+width;
viewportY2 = y+height;
viewportWidth = width;
viewportHeight = height;
invViewportWidth = 1.0f / viewportWidth;
invViewportHeight = 1.0f / viewportHeight;
if( frameBufferID == -1 )
{
const CCTarget<float> &orientation = CCAppManager::GetOrientation();
if( orientation.target == 270.0f )
{
CCSwapFloat( x, y );
CCSwapFloat( width, height );
x = 1.0f - width - x;
}
else if( orientation.target == 90.0f )
{
CCSwapFloat( x, y );
CCSwapFloat( width, height );
y = 1.0f - height - y;
}
else if( orientation.target == 180.0f )
{
x = 1.0f - width - x;
y = 1.0f - height - y;
}
else
{
}
}
const float invY = ( 1.0f-height ) - y;
const float frameBufferWidth = gEngine->renderer->frameBufferManager.getWidth( frameBufferID );
const float frameBufferHeight = gEngine->renderer->frameBufferManager.getHeight( frameBufferID );
const float definedWidth = width * frameBufferWidth;
const float definedHeight = height * frameBufferHeight;
viewport[0] = x * frameBufferWidth;
viewport[1] = invY * frameBufferHeight;
viewport[2] = definedWidth;
viewport[3] = definedHeight;
aspectRatio = definedWidth / definedHeight;
setPerspective( perspective );
}
void CCRenderer::correctOrientation(float &x, float &y)
{
if( orientation.target == 270.0f )
{
CCSwapFloat( x, y );
x = 1.0f - x;
y = 1.0f - y;
}
else if( orientation.target == 90.0f )
{
CCSwapFloat( x, y );
}
else if( orientation.target == 180.0f )
{
x = 1.0f - x;
}
else
{
y = 1.0f - y;
}
}
