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/*
* Example 1b.c - Sample source from The RenderMan Companion
* by Steve Upstill
*
*/
#include <ri.h>
#define NFRAMES 10 /* number of frames in the animation */
#define NCUBES 5 /* # of minicubes on a side of the color cube */
#define FRAMEROT 5.0 /* # of degress to rotate cube between frames */
main()
{
int frame;
float scale;
char filename[20];
RiBegin(RI_NULL); /* Start the renderer */
RiLightSource("distantlight", RI_NULL);
/* Viewing transformation */
RiProjection("perspective", RI_NULL);
RiTranslate(0.0, 0.0, 1.5);
RiRotate(40.0, -1.0, 1.0, 0.0);
for (frame = 1; frame <= NFRAMES; frame++)
{
sprintf(filename, "anim%d.pic", frame);
RiFrameBegin(frame);
RiDisplay(filename, RI_FILE, RI_RGBA, RI_NULL);
RiWorldBegin();
scale=(float)(NFRAMES-(frame-1))/(float)NFRAMES;
RiRotate(FRAMEROT * frame, 0.0, 0.0, 1.0);
RiSurface("matte", RI_NULL);
/* Define the cube */
ColorCube(NCUBES,scale);
RiWorldEnd();
RiFrameEnd();
}
RiEnd();
}
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