132 lines
3.3 KiB
C
132 lines
3.3 KiB
C
/* Copyrighted Pixar 1989 */
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/* From the RenderMan Companion p. 168 */
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/* Listing 8.5 An improved boilerplate viewing program */
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#include <stdio.h>
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#include <jman/ri.h>
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#include <jman/camset.h>
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#include <jman/patches.h>
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#define NFRAMES 25
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/* viewbasics.c: file compiling view options into a rendering shell. */
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#define DATATYPE RI_RGBA /* Pixels have RGB and coverage */
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#define SHADINGRATE 20.0
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#define PICXRES 800.0 /* Horizontal output resolution */
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#define PICYRES 600.0 /* Vertical output resolution */
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#define CROPMINX 0.0 /* RiCropWindow() parameters */
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#define CROPMAXX 1.0
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#define CROPMINY 0.0
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#define CROPMAXY 1.0
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#define CAMXFROM 0.0 /* Camera position */
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#define CAMYFROM 1.0
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#define CAMZFROM -4.0
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#define CAMXTO 0.0 /* Camera direction */
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#define CAMYTO -2.0
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#define CAMZTO 10.0
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#define CAMROLL 0.0 /* Camera roll */
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#define CAMZOOM 1.0 /* Camera zoom rate */
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//--------------------------------------------------------------------
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#define NPOINTS 10
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Point2D points[NPOINTS] = {
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{.0000,1.5000},
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{.0703,1.5000},
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{.1273,1.4293},
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{.1273,1.3727},
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{.1273,1.2300},
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{.0899,1.1600},
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{.0899,1.0000},
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{.0899,0.7500},
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{.4100,0.6780},
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{.1250,0.0000},
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};
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RtColor color = {.9,.9,.5};
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Go() {
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RiColor(color);
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RiRotate(-90.0, 1.0, 0.0, 0.0);
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SurfOR(points, NPOINTS);
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}
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//--------------------------------------------------------------------
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RtPoint CameraFrom = { CAMXFROM, CAMYFROM, CAMZFROM },
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CameraTo = { CAMXTO, CAMYTO, CAMZTO };
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static RtColor Color = { .6, .8, .2 };
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RtPoint Square[4] = { {.5,.5,0}, {.5,-.5,0}, {-.5,-.5,0}, {-.5,.5,0} };
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typedef struct _testi
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{
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RtInt dummy;
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RtPointer p;
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} testi;
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main()
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{
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RtInt frame, i;
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char filename[256];
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RtToken my_var;
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RtLightHandle lighthnd;
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RiBegin(RI_NULL); /* As always */
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my_var = RiDeclare("Jens", "uniform string");
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/* Output image characteristics */
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RiShadingRate(SHADINGRATE);
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RiFormat((RtInt)PICXRES, (RtInt)PICYRES, -1.0); /* Image resolution */
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RiTransformBegin();
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lighthnd = RiLightSource( "distantlight", RI_NULL);
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RiTransformEnd();
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RiIlluminate(lighthnd, RI_TRUE);
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/* Region of image rendered */
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RiCropWindow(CROPMINX, CROPMAXX, CROPMINY, CROPMAXY);
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FrameCamera2(PICXRES*CAMZOOM, PICXRES, PICYRES);
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RiClipping(1E-3, RI_INFINITY); /* Clipping planes*/
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/* Now describe the world */
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for (frame=0; frame < NFRAMES; frame++)
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{
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RiFrameBegin(frame);
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sprintf(filename, "R:\\ri%.3d.tif", frame);
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RiDisplay(RI_NULL, RI_FRAMEBUFFER, DATATYPE, RI_NULL);
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// Camera position and orientation
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PlaceCamera(CameraFrom, CameraTo, CAMROLL);
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// CameraFrom[0] += 2.0/NFRAMES;
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RiWorldBegin();
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// ...Your scene here...
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RiSurface("matte", RI_NULL);
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RiRotate((360.0*frame)/NFRAMES, 0, 1, 0);
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Go();
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// jstats();
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RiColor(Color); // Declare the color
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RiTransformBegin();
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RiTranslate(0, 0.5, 0);
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// RiRotate(90, 1, 0, 0);
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// RiRotate(45, 0, 1, 0);
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RiDisplacement("dented", RI_NULL);
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RiSphere(0.5, -0.5, 0.5, 360, RI_NULL);
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RiTransformEnd();
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// RiPolygon(4, RI_P, (RtPointer)Square, RI_NULL);
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RiWorldEnd();
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RiFrameEnd();
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}
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RiEnd();
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jstats();
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return 0;
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}
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