Lines Matching refs:visible
61 pixels of the standard star matrix are visible when coming closer
186 Returns true if the star seems to be visible (in the pyramid of vision,
188 clear that the star isnot visible. */
196 get the copy of the star that is the only one likely to be visible from
262 which pixel of the star matrix are visible (if any). This depend of the
288 goto visible;
297 goto visible;
298 /* The pixel is not visible. The star is marked as not drawn. */
302 visible:
303 /* The pixel is visible. The offset at which the star should be draw is
326 and cumulate the mask of the star matrix pixels that are visible in any
332 the other mode, only the pixel previously visible are tested (as we
368 /* Pixel of the matrix not clipped out at that point are visible
370 them to the mask of currently known visible pixel. */
372 /* If all pixel of the matrix are already visible, no need to continue
377 /* If no pixel are visible, then we know... */
381 /* The star is not visible. It's marked as not drawn. */
386 /* The star is partially visible. The offset at which the star should be
388 The mask of which pixel of the matrix are visible is store for use
444 /* Check if this pixel is visible (using the result of the clipping) */
514 /* Check if this pixel is visible (using the result of the clipping) */
570 /* ... and draw them if they're really visible. */