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03.13.2007 at 10:33AM PDT, ID: 22446671
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drawing an arrow in 3d

Asked by DJ_AM_Juicebox in 3D Game Programming, Math & Science Questions

Tags: arrow, 3d, drawing

Hi,

I have a line like:

    Point 1 (x,y,z)   start
    Point2 (x,y,z)    end

I want to draw an arrow head at Point2 to give the line some direction. Does anyone have a formula to figure out what the two corresponding base points of the arrow head would be? (point3 and 4 in this fantastic diagram):
 
                                                    Point 3
                                                      |   \
                                                      |      \
Point1 ------------------------------------- Point 2
                                                      |      /
                                                      |    /
                                                     Point 4

if I can just get the point 3 and 4 x,y,z locations then I will just connect everything with lines and have a nice arrow.

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Keywords: drawing an arrow in 3d
Title
1 Need Visio "Action" to change arro…
2 Drawing Arrows
3 Drawing Arrows
4 Drawing an Arrow
5 drawing an arrow (again)
6 Arrows.
 
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[+][-]03.13.2007 at 12:33PM PDT, ID: 18713216

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[+][-]03.13.2007 at 01:36PM PDT, ID: 18713725

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[+][-]03.13.2007 at 01:37PM PDT, ID: 18713736

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About this solution

Zones: 3D Game Programming, Math & Science Questions
Tags: arrow, 3d, drawing
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Solution Provided By: NovaDenizen
Participating Experts: 3
Solution Grade: A
 
 
[+][-]03.13.2007 at 01:37PM PDT, ID: 18713740

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[+][-]03.13.2007 at 01:48PM PDT, ID: 18713818

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[+][-]03.13.2007 at 10:12PM PDT, ID: 18716206

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