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3D
3D Engine for Dummies
Author: KStor
The Routine
Now comes the real part: the engine program itself.
The loading setup
First we are going to create the initiation routine, the one that starts it all out. Open the second key-frame
of the actions layer. This is what we do:
- move the baseline instance so that no one can see it on the picture.
Set Property ("/baseline", X Position) = "1000"
- then let's cut the points variable up into lots of separate coordinate variables:
Set Variable: "n" = "1"
Loop While (n <= totalpoints)
Set Variable: "x"&n = Substring (points,( (n-1) * 12 + 1), 3 )
Set Variable: "y"&n = Substring (points, ((n-1 ) * 12 + 5), 3 )
Set Variable: "z"&n = Substring (points, ((n-1) * 12 + 9), 3 )
Set Variable: "n" = n+1
End Loop
This places the x-coordinate of point 1 in variable x1, the y-coordinate in y1, the z in z1
and the same thing for all other points.
- now we do the same thing for the lines variable:
Set Variable: "n" = "1"
Loop While (n <=totallines)
Set Variable: "pt1"&n = Substring (lines, (n-1)*5+1, 2 )
Set Variable: "pt2"&n = Substring (lines, (n-1)*5+3, 2 )
Set Variable: "n" = n+1
End Loop
The first end of point 1 is put in pt11, the second one in pt21, etc.
- set the center of the display. These are the coordinates of point (0,0) in the movie.
Set Variable: "centerx" = "190"
Set Variable: "centery" = "215"
That's all for the initial frame
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Added: : 2000-12-04
Rating: 8.97 Votes: 2633
Hits: 4706
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| » Author |
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KStor is a student living in France and working with Flash during his free time...that is, not very much.
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