I have been playing with the mirror demo. The 'ShadowPlane' was causing problems by reproducing the plane geometry. So I edited the shadow stuff out - the following looks really cool:
;################################################################### ; ; Basic GL For BlitzBasic © 2004 ; Creator: Albert Khakimov (arkon) arkon@... ; Support: Korolyov Sergey (ventru) ventrual@... ; Sample: Mirror ; Version: 0.1 ; Date: 18.11.04 ; ;################################################################### ; ; Edited by "puki" ; ;################################################################### Include "../../Constants.bb" Include "../../KeyCodes.bb" Global Camera, CameraPV, Light Global Mirror, Torus, Plane, Ex ;3d graphics initialization gInitGraphics(640, 480, 32, 0, 0) ;S C E N E ;------------------------------------------------------------------------ gAmbientColor 0.2, 0.2, 0.1 gBackColor 0.0, 0.1, 0.2 ;Create Camera CameraPV = gCreateDummy(0) Camera = gDefaultCamera() gSetPosition Camera, 0, 1, 3 gSetParent Camera, CameraPV ;Create Light Light = gCreateLight(0) gSetPosition Light, -1, 5, 1 ;Create Torus Torus = gCreateTorus(0) gSetTargetObject Camera, Torus ;Create Plane Plane = gCreatePlane(5, 5, 0) gLoadObjectTexture Plane, "..\..\media\back1.jpg" gPlaneTiles Plane, 5, 5 gSetAbsDir Plane, 0, 1, 0 gSetAbsPos Plane, 0, -2, 0 ;Create Mirror Mirror = gCreateMirror(3, 3, 0) gSetAbsDir mirror, 0, 0, 1 gSetAbsPos mirror, 0, 0, -2.5 ;gObjDiffuse mirror, 0, 0, 1, 0.8 gLoadObjectTexture mirror, "..\..\media\back2.jpg" ;Create Extrusion Ex = gCreateExtrusion(mirror) gObjDiffuse Ex, 1, 0.1, 0, 1 gExHeight Ex, 0.1 gExParts Ex, 1, 1, 1, 1 gAddExContour Ex, "" gExContAddNode Ex, 0, -1.5, -1.5, 0 gExContAddNode Ex, 0, 1.5, -1.5, 0 gExContAddNode Ex, 0, 1.5, 1.5, 0 gExContAddNode Ex, 0, -1.5, 1.5, 0 gAddExContour Ex, "" gExContAddNode Ex, 1, -1.4, -1.4, 0 gExContAddNode Ex, 1, 1.4, -1.4, 0 gExContAddNode Ex, 1, 1.4, 1.4, 0 gExContAddNode Ex, 1, -1.4, 1.4, 0 While gKeyHit(KEY_ESCAPE) = 0 And gProgress() = 1 newTime# = gGetNewTime() * 40 deltaTime# = gGetDeltaTime() gRotate Torus, deltaTime * 100, 0, 0 gTurn CameraPV, deltaTime * 20 Wend gCloseGraphics()