This is an archive of CompuServe forum messages from 1985 to 1995, as saved in transcripts by John Foust.
Search Results (2 messages)
Thanks for the advice, Peter. I ended up implementing something similar to what you suggested, using arctan to find the angle of the main line. Works great… Patrick
QD Geometry
Message #163803
Given 2 points in global QuickDraw coordinates (originPt, terminalPt), I would like to draw an arrow. For a simple line, I would do the following: MoveTo(originPt.h, originPt.v); LineTo(terminalPt.h, terminalPt.v); Getting the correct angle in QuickDraw coordinates for the "head" is what I'm wondering about… The terminalPt is the origin for…