GLUT 3.1 dist example src programs

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NOTE: ../../lib/glut/libglut.a is employed to generate the binaries in this directory. Hence, if you wish to copy over any specific program for the purposes of experiementation and recompilation, you'll need to either

1. download this entire directory, plus, ../../GL/glut.h, as well as ../../lib/glut/libglut.a.tar.Z, or,
2. get everything by simply grabbing the entire ../../glut-3.1.tar.Z (1,158,329 bytes) 3.1 version of the GLUT distribution, to get everything that way.

The following programs are available from this examples directory:

1. abgr: Demonstrates the use of the extension EXT_abgr
   The same image data is used for both ABGR and RGBA formats in glDrawPixels and glTexImage2D. The left side uses ABGR, the right side RGBA. The top polygon demonstrates use of texture, and the bottom image is drawn with glDrawPixels.
   Note: the textures are defined as 3 component, so the alpha value is not used in applying the DECAL environment.
   • abgr.c

2. bitfont: Renders sample text using builtin GLUT bitmap fonts.
   • bitfont.c

3. blender: renders two spinning icosahedrons (red and green).
   The blending factors for the two icosahedrons vary sinusoidally and slightly out of phase. blender also renders two lines of text in a stroke font: one line antialiased, the other not.
   • blender.c

4. dials: GLUT-version of dials+buttons box confidence test
   • dials.c

5. dials2: GLUT-version of dials+buttons box confidence test, take 2
   • dials2.c

6. dinoball: dinosaur with 2 lights
   lights are to the right and left of the model, and can be toggled on/off via RIGHTMOUSE menu
   • dinoball.c

7. dinospin: mouse-move-able dinosaur
   Dinosaur model can be spun at any orientation around the Y axis with the mouse. New GLUT 3.1 glutGetModifiers() functionality used to make Shift-Left mouse scale the dinosaur's size.
   • dinospin.c
   • trackball.c
   • trackball.h

8. evaltest: GLUT version of evaluator test
   • evaltest.c

9. fogtst: bare-bones GLUT fog frame test
   • fogtst.c

10. fontdemo: demos GLUT bitmaps and stroke with 3D perspective fonts
    • fontdemo.c

11. puzzle: GLUT-based version of src/demos/OpenGL/puzzle when it used libaux
    the src/demos/OpenGL version currently uses GLUT now, but it used to employ libaux. oh well, a replica program in the toolbox src tree......
    • glpuzzle.c
    • trackball.c
    • trackball.h

12. glutdino: Port of src/exampleCode/opengl/x+opengl/glxdino to GLUT
    renders simplistic dinosaur model with lighting
    • glutdino.c

13. Port of src/exampleCode/opengl/x+opengl/paperplane to GLUT
    renders flying 3D paper airplanes
    • glutplane.c

14. highlight: demonstrates use of the GL lighting model.
    Objects are drawn using a grey material characteristic. A single light source illuminates the objects.
    • highlight.c

15. lightlab: explores OpenGL's lighting model
    • lightlab.c

16. mjkwarp: demos texture mapping
    using the face of yours truly.
    • mjkwarp.c
    • mjkimage.c.Z -- this file defines the unsigned char mjk_image[] 256x256x3 array and is compressed (see Makefile for how this compressed file is folded into the compile) because of it's 13244 lines/747174 characters in size.

17. molehill: nurbs, lighting, materials, smooth-shading 4-color "molehill" patch
    • molehill.c

18. movelight: lighting and modeling transformation study.
    movelight demonstrates when to issue lighting and transformation commands to render a model with a light which is moved by a modeling transformation (rotate or translate). The light position is reset after the modeling transformation is called. The eye position does not change.
    A sphere is drawn using a grey material characteristic. A single light source illuminates the object.
    pressing LEFT or MIDDLE -MOUSE alters the modeling transformation (x rotation) by 30 degrees. The scene is then redrawn with the light in a new position.
    • movelight.c

19. oclip: demos arbitrary clipping functionality
    the rendering is kept simple (wireframe) and only one clipping plane is used. GLUT version of src/exampleCode/opengl/motif/oclip.c
    • oclip.c

20. ohidden: demos stencil plane functionality, rendering is wireframe.
    GLUT version of src/exampleCode/opengl/motif/ohidden.c
    • ohidden.c

21. olight: implements hardware lighting including two_sided lighting.
    GLUT version of src/exampleCode/opengl/motif/olight.c
    • olight.c

22. olympic: Animated 3D rings spin to form the olypmic logo
    • olympic.c

23. oversphere: overlay sphere positioning demo
    • oversphere.c

24. origami: watch a paper plane fold and unfold in real-time
    Uses the EXT_polygon_offset extension if available to better render the fold outlines.
    • origami.c

25. scene: demonstrates use of the GL lighting model
    Objects are drawn using a grey material characteristic. A single light source illuminates the objects.
    • scene.c

26. scube: draw a lit spining cube and its shadow
    • scube.c

27. sphere: red and gray sphere in two different windows demonstrating a lot of GLUT functionality
    "Don't take this program too seriously. It is just a hack."
    • sphere.c

28. sphere2: Two spheres
    • sphere2.c

29. splatlogo: splat the mason-woo-commemorative OpenGL lettering logo
    LEFTMOUSE gets it there, RIGHTMOUSE has menu-full-o-options
    • splatlogo.c

30. spots: implementation of spotlights "swinging about"
    • spots.c

31. stars: galaxy cruzing thru dr. cement's red-dwarf-infested space
    • stars.c

32. stenciltst: performs single-frame blue-square green-intersecting red-triangle
    • stenciltst.c

33. stereo: stereo example using GLUT
    • stereo.c

34. stroke: uses GLUT built-in stroke fonts to achieve anti-aliased font rendering
    • stroke.c

35. subwin: implements GLUT sub-windows
    • subwin.c

36. surfgrid: simple test of polygon offset

        options:
            -f      run on full screen
        keys:
             p       toggle polygon offset
             F       increase polygon offset factor
             f       decrease polygon offset factor
             B       increase polygon offset bias
             b       decrease polygon offset bias
             g       toggle grid drawing
             s       toggle smooth/flat shading
             n       toggle whether to use GL evaluators or GLU nurbs
             u       decr number of segments in U direction
             U       incr number of segments in U direction
             v       decr number of segments in V direction
             V       incr number of segments in V direction
             escape  quit
    

    • surfgrid.c

37. texenv: texture environment
    Demonstrates texture environment modes and internal image formats. Requires the GL_EXT_texture extension.
    • texenv.c

38. triselect: select test with triangles

        keys:
             Z           Zoom out
             z           zoom in polygon offset factor
             f           perform feedback
             l           toggle triangles between fill and outline
             LEFTARROW   rotate counter-clockwise
             RIGHTARROW  rotate clockwise
             LEFTMOUSE   cycle colors if on top of triangle
             MIDDLEMOUSE move triangle mouse pointer is on towards eye
             RIGHTMOUSE  disappear triangle mouse pointer is on
    

    • triselect.c

39. zoomdino: overlay implementation
    zoomdino demonstrates GLUT 3.1's new overlay support. Both rubber-banding the display of a help message use the overlays.
    • zoomdino.c
    Files of interest from "src/exampleCode/opengl/GLUT/progs/examples" directory

    Reference
    

    • Imakefile
    • Makefile
    • Makefile.sgi

    ---

    Select any combo of files you'd like to send yourself a compressed tar image of. Executables/scripts are indicated with a trailing `*' character. (Depending upon the browser, it may be necessary to hold down the Ctrl key to select/deselect disjoint items.)

    Imakefile Makefile Makefile.sgi abgr* abgr.c bitfont* bitfont.c blender* blender.c dials* dials.c dials2* dials2.c dinoball* dinoball.c dinospin* dinospin.c evaltest* evaltest.c fogtst* fogtst.c fontdemo* fontdemo.c glpuzzle* glpuzzle.c glutdino* glutdino.c glutplane* glutplane.c highlight* highlight.c index.html lightlab* lightlab.c logo.c.Z mjkimage.c.Z mjkwarp* mjkwarp.c molehill* molehill.c movelight* movelight.c oclip* oclip.c ohidden* ohidden.c olight* olight.c olympic* olympic.c origami* origami.c oversphere* oversphere.c scene* scene.c scube* scube.c sphere* sphere.c sphere2* sphere2.c splatlogo.c spots* spots.c stars* stars.c stenciltst* stenciltst.c stereo* stereo.c stroke* stroke.c subwin* subwin.c surfgrid* surfgrid.c texenv* texenv.c trackball.c trackball.h triselect* triselect.c zoomdino* zoomdino.c

    a compressed tar image of the above-selected items.
    OR, ...
    a compressed tar image of the entire examples directory.

    ---

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