| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| type(c_ptr), | value | :: | viewer |
viewer handle (vkf_viewer_create) |
||
| real(kind=c_double), | intent(in), | dimension(4,4) | :: | m |
world to view-frame matrix |
Set the transform from world (scene root) to view-frame coordinates, applied after the trackball's eye/center/up (see ViewLookAt). Returns 0, or -1 on failure.