Esempio n. 1
0
//----------------------------------------------------------------//
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 );
	}
}
Esempio n. 2
0
//----------------------------------------------------------------//
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 );
}