Path: csiph.com!weretis.net!feeder6.news.weretis.net!feeder7.news.weretis.net!news.szaf.org!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Richard Ashbery Newsgroups: comp.sys.acorn.programmer Subject: Re: Rotating a Colour-Filled Square Date: Sat, 16 Nov 2019 12:21:49 +0000 (GMT) Organization: None Lines: 28 Message-ID: <5813d0c48ebasura@invalid.addr.uk> References: <5811cae024basura@invalid.addr.uk> <58124834ffbasura@invalid.addr.uk> <58125f40fdbasura@invalid.addr.uk> <5812df5497basura@invalid.addr.uk> X-Trace: individual.net /dtsp82QRkIv580TM+byDgeiG2hPv5vKRvL4k3pBG2eDAws9Eo X-Orig-Path: uwclub.net!richard.ashbery Cancel-Lock: sha1:6EbGJFCNP+2G1Z45Yzbmyo5/3ic= User-Agent: Pluto/3.16 (RISC OS/5.25) NewsHound/v1.52-32 Xref: csiph.com comp.sys.acorn.programmer:5879 In article , Steve Fryatt wrote: > On 15 Nov, Sebastian Barthel wrote in message > : > > One can ask: Why isn't there a TRIANGLE command or TRIANGLE FILL > > in the BASIC ? The functions exists. With this a RECTANGLE FILL > > ROTATE command is also a possibility. > The fact that PLOT exists, probably. You would also need > PARALLELOGRAM, ARC, SEGMENT and SECTOR, as well as DRAW variants > for "dotted", "no first" and "no last". The "background" and > "inverse" plot modes aren't supported by dedicated keywords, either. > In the end, there was presumably a tradeoff between making things > easy to remember and 'wasting' keyword tokens on the task -- there > are only a finite number of these available, after all. I would value a RECTANGLE FILL ROTATE command. Not too bothered about the other shapes. The rectangle/square is extremely versatile - a single line command to do this could save a lot of time. I take your point though Steve with the tradeoff - something I'm not knowledeable to argue with. Is it worth mentioning in the ROOL forum? Richard