100 lines
2.8 KiB
Scheme
100 lines
2.8 KiB
Scheme
;
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; anim_sphere
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;
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;
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; Chris Gutteridge (cjg@ecs.soton.ac.uk)
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; At ECS Dept, University of Southampton, England.
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; This program is free software; you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 2 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program; if not, write to the Free Software
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; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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; Define the function:
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(define (script-fu-spinning-globe inImage inLayer inFrames inFromLeft inTransparent inIndex inCopy)
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(set! theImage (if (= inCopy TRUE)
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(car (gimp-channel-ops-duplicate inImage))
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inImage)
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)
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(set! theLayer (car(gimp-image-get-active-layer theImage)))
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(gimp-layer-add-alpha theLayer)
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(set! n 0)
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(set! ang (* (/ 360 inFrames) (if (= inFromLeft TRUE) 1 -1) ))
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(while (> inFrames n)
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(set! n (+ n 1))
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(set! theFrame (car (gimp-layer-copy theLayer FALSE)))
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(gimp-image-add-layer theImage theFrame 0)
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(gimp-layer-set-name theFrame (string-append "Anim Frame: " (number->string (- inFrames n) 10)))
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(plug-in-map-object TRUE theImage theFrame 1
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;viewpoint
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0.5 0.5 2.0
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;obj pos?
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0.5 0.5 0
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;first axis
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1.0 0 0
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;2nd axis
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0.0 1.0 0.0
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; axis rotation
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0 (* n ang) 0
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; light
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0 '(255 255 255)
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; light pos
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-0.5 -0.5 2.0
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; light dir
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-1.0 -1.0 1.0
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; amb and stuff
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.3 1 .5 0 27
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TRUE FALSE FALSE inTransparent 0.25)
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; end while:
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)
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(gimp-image-remove-layer theImage theLayer)
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(plug-in-autocrop TRUE theImage theFrame)
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(if (= inIndex 0)
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()
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(gimp-convert-indexed theImage TRUE inIndex)
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)
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(if (= inCopy TRUE)
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(begin (gimp-image-clean-all theImage)
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(gimp-display-new theImage)
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)
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()
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)
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(gimp-displays-flush)
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)
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; Register the function with the GIMP:
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(script-fu-register
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"script-fu-spinning-globe"
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"<Image>/Script-Fu/Animators/Spinning Globe"
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"foo"
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"Chris Gutteridge"
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"1998, Chris Gutteridge / ECS dept, University of Southampton, England."
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"16th April 1998"
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"RGB RGBA GRAY GRAYA"
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SF-IMAGE "The Image" 0
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SF-DRAWABLE "The Layer" 0
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SF-VALUE "Frames:" "10"
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SF-TOGGLE "Turn from left to right?" FALSE
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SF-TOGGLE "Transparant Background?" TRUE
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SF-VALUE "Index of n Colors (0 = Remain RGB):" "63"
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SF-TOGGLE "Work on Copy?" TRUE
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)
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