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int display_threeD_screen_initialize () { vPoint* eye = nullptr; printf("display_threeD_screen_initialize:memorized_CurveLines=%d starts.\r\n", memorized_CurveLines ); if ( call_once_display_threeD_initialize == 0 ) { call_once_display_threeD_initialize = 1; } else { printf("exit because call_once_display_threeD_initialize = %d\r\n", call_once_display_threeD_initialize ); return 1; } eye = new vPoint(); eye->setPoint( 1000.0f, 1000.0f, -1000.0f); screen = new vScreen (); vPoint* U= new vPoint ( 160.0f, 0.0f, 0.0f ); vPoint* V= new vPoint ( 0, 90.0f, 0 ); screen->put_U ( *U ); screen->put_V ( *V ); vPoint* up = memorizevPoint( -10.0f, 10.0f, 0.0f ); screen->put_Up ( *up ); screen->setWidth ( 640 ); screen->setHeight ( 480 ); screen->setEye ( *eye ); screen->LookAt ( *(new vPoint( 0.0f, 0.0f, 0.0f )) ); screen->HowFarFromEye = 320.0f; printf("screen->HowFarFromEye=%f\r\n", screen->HowFarFromEye); screen->calculation_up_UV(); screen->OntheScreen( &g_x, &g_y ); if ( memorized_CurveLines == 0 ) { curve_initialization(); memorized_CurveLines = 1; } printf("display_threeD_screen_initialize:memorized_CurveLines=%d ends.\r\n", memorized_CurveLines ); } |
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