//----------------------------------------------------------------//
void MOAIGfxDeviceStateCache::SetScissorRect ( ZLRect rect ) {
rect.Bless ();
this->mViewRect.Clip ( rect );
ZLRect& current = this->mScissorRect;
if ( ( current.mXMin != rect.mXMin ) ||
( current.mYMin != rect.mYMin ) ||
( current.mXMax != rect.mXMax ) ||
( current.mYMax != rect.mYMax )) {
this->OnGfxStateWillChange ();
ZLRect deviceRect = this->mCurrentFrameBuffer->WndRectToDevice ( rect );
s32 x = ( s32 )deviceRect.mXMin;
s32 y = ( s32 )deviceRect.mYMin;
u32 w = ( u32 )( deviceRect.Width () + 0.5f );
u32 h = ( u32 )( deviceRect.Height () + 0.5f );
w = h == 0 ? 0 : w;
h = w == 0 ? 0 : h;
zglScissor ( x, y, w, h );
this->mScissorRect = rect;
zglEnable ( ZGL_PIPELINE_SCISSOR );
}
}
//----------------------------------------------------------------//
void MOAIDraw::DrawGrid ( const ZLRect& rect, u32 xCells, u32 yCells ) {
if ( xCells > 1 ) {
float xStep = rect.Width () / ( float )xCells;
for ( u32 i = 1; i < xCells; ++i ) {
float x = rect.mXMin + (( float )i * xStep );
USVec2D v0 ( x, rect.mYMin );
USVec2D v1 ( x, rect.mYMax );
MOAIDraw::DrawLine ( v0, v1 );
}
}
if ( yCells > 1 ) {
float yStep = rect.Height () / ( float )yCells;
for ( u32 i = 1; i < yCells; ++i ) {
float y = rect.mYMin + (( float )i * yStep );
USVec2D v0 ( rect.mXMin, y );
USVec2D v1 ( rect.mXMax, y );
MOAIDraw::DrawLine ( v0, v1 );
}
}
MOAIDraw::DrawRectOutline ( rect );
}