61 glob;  variable
126     rRelX = po->rPosX - glob.poCam.rPosX;  in G2DDrawSprite()
127     rRelY = po->rPosY - glob.poCam.rPosY;  in G2DDrawSprite()
129     if (rRelX >= glob.rHalfX) rRelX -= glob.rWorldX;  in G2DDrawSprite()
130     if (rRelX < -glob.rHalfX) rRelX += glob.rWorldX;  in G2DDrawSprite()
131     if (rRelY >= glob.rHalfY) rRelY -= glob.rWorldY;  in G2DDrawSprite()
132     if (rRelY < -glob.rHalfY) rRelY += glob.rWorldY;  in G2DDrawSprite()
134     rRelX += glob.poCam.rPosX;  in G2DDrawSprite()
135     rRelY += glob.poCam.rPosY;  in G2DDrawSprite()
424         rFrcX = glob.poCam.rPosX * rInvTileWidth;  in G2DDrawLayer()
425         rFrcY = glob.poCam.rPosY * rInvTileHeight;  in G2DDrawLayer()
436     rCamOriX = glob.poCam.rOriX;  in G2DDrawLayer()
437     rCamOriY = glob.poCam.rOriY;  in G2DDrawLayer()
448     rX = glob.nViewportWidth  * 0.5F;  in G2DDrawLayer()
449     rY = glob.nViewportHeight * 0.5F;  in G2DDrawLayer()
557         f32 rLocalPosX = glob.poCam.rPosX;  in G2DDrawLayer()
558         f32 rLocalPosY = glob.poCam.rPosY;  in G2DDrawLayer()
559         f32 rSplitX = 0.5F * (glob.rWorldX + (layer->nTileWidth * (1<<layer->nHS)));  in G2DDrawLayer()
560         f32 rSplitY = 0.5F * (glob.rWorldY + (layer->nTileHeight * (1<<layer->nVS)));  in G2DDrawLayer()
562         if (rLocalPosX >= rSplitX) rLocalPosX -= glob.rWorldX;  in G2DDrawLayer()
563         if (rLocalPosY >= rSplitY) rLocalPosY -= glob.rWorldY;  in G2DDrawLayer()
873     glob.poCam = *po;  in G2DSetCamera()
881     rX = ((nScrX - glob.nViewportWidth)>>1)  - glob.nViewportTlcX;  in G2DSetCamera()
882     rY = ((nScrY - glob.nViewportHeight)>>1) - glob.nViewportTlcY;  in G2DSetCamera()
911     glob.rWorldX = (f32)nWorldX;  in G2DInitWorld()
912     glob.rWorldY = (f32)nWorldY;  in G2DInitWorld()
913     glob.rHalfX  = (f32)(nWorldX>>1);  in G2DInitWorld()
914     glob.rHalfY  = (f32)(nWorldY>>1);  in G2DInitWorld()
939     glob.nViewportTlcX = nLeft;  in G2DSetViewport()
940     glob.nViewportTlcY = nTop;  in G2DSetViewport()
941     glob.nViewportWidth = nWidth;  in G2DSetViewport()
942     glob.nViewportHeight = nHeight;  in G2DSetViewport()