[ViewVC] Diff of: Development/ray/src/hd/holo.c

Comparing ray/src/hd/holo.c (file contents):
Revision 3.6 by gregl, Tue Nov 11 17:03:28 1997 UTC vs.
Revision 3.9 by gregl, Mon Dec 15 20:43:24 1997 UTC

-<
+hdlseg(lseg, hp, i)                     /* compute line segment for beam */
->
+hdlseg(lseg, hp, gc)                    /* compute line segment for beam */
+register int    lseg[2][3];
+register HOLO   *hp;
-<
+int     i;
->
+GCOORD  gc[2];
-–
+        GCOORD  gc[2];
+        register int    k;
-–
+        if (!hdbcoord(gc, hp, i))               /* compute grid coordinates */
-–
+                return(0);
+        for (k = 0; k < 2; k++) {               /* compute end points */
+                lseg[k][gc[k].w>>1] = gc[k].w&1 ? hp->grid[gc[k].w>>1]-1 : 0 ;
+                lseg[k][wg0[gc[k].w]] = gc[k].i[0];
+        gp[0] = DOT(vt, hp->wn[0]) * hp->wg[0];
+        gp[1] = DOT(vt, hp->wn[1]) * hp->wg[1];
+        gp[2] = DOT(vt, hp->wn[2]) * hp->wg[2];
-+
+}
-+
-+
-+
+hdworld(wp, hp, gp)             /* compute world coordinates */
-+
+register FVECT  wp;
-+
+register HOLO   *hp;
-+
+FVECT   gp;
-+
+{
-+
+        register double d;
-+
-+
+        d = gp[0]/hp->grid[0];
-+
+        VSUM(wp, hp->orig, hp->xv[0], d);
-+
-+
+        d = gp[1]/hp->grid[1];
-+
+        VSUM(wp, wp, hp->xv[1], d);
-+
-+
+        d = gp[2]/hp->grid[2];
-+
+        VSUM(wp, wp, hp->xv[2], d);

-–
+Removed lines
-+
+Added lines
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+Changed lines (old)
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+Changed lines (new)