[ViewVC] Diff of: radiance/ray/src/common/objutil.c

Comparing ray/src/common/objutil.c (file contents):
Revision 2.17 by greg, Wed Apr 7 16:46:58 2021 UTC vs.
Revision 2.18 by greg, Fri Apr 9 15:26:41 2021 UTC

+        return(f);
-+
+/* Callback for growBoundingBox() */
-+
+static int
-+
+addBBox(Scene *sc, Face *f, void *p)
-+
+{
-+
+        double  (*bbox)[3] = (double (*)[3])p;
-+
+        int     i, j;
-+
-+
+        for (i = f->nv; i-- > 0; ) {
-+
+                double  *p3 = sc->vert[f->v[i].vid].p;
-+
+                for (j = 3; j--; ) {
-+
+                        if (p3[j] < bbox[0][j])
-+
+                                bbox[0][j] = p3[j];
-+
+                        if (p3[j] > bbox[1][j])
-+
+                                bbox[1][j] = p3[j];
-+
+                }
-+
+        }
-+
+        return(1);
-+
+}
-+
-+
+/* Expand bounding box min & max (initialize bbox to all zeroes) */
-+
+int
-+
+growBoundingBox(Scene *sc, double bbox[2][3], int flreq, int flexc)
-+
+{
-+
+        if (sc == NULL || sc->nfaces <= 0 || bbox == NULL)
-+
+                return(0);
-+
-+
+        if (VABSEQ(bbox[0], bbox[1])) {         /* first run */
-+
+                bbox[0][0] = bbox[0][1] = bbox[0][2] = FHUGE;
-+
+                bbox[1][0] = bbox[1][1] = bbox[1][2] = -FHUGE;
-+
+        }
-+
+        return(foreachFace(sc, addBBox, flreq, flexc, bbox));
-+
+}
-+
+/* Allocate an empty scene */
+Scene *
+newScene(void)

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