diff options
Diffstat (limited to 'src/stage.c')
| -rw-r--r-- | src/stage.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/stage.c b/src/stage.c index 7871f8f..35d6835 100644 --- a/src/stage.c +++ b/src/stage.c @@ -38,6 +38,7 @@ struct stage_node_t { stage_cached_t cached; aabb_t aabb; /* node coordinates expressed in the space of -1.0...1.0 */ v2f_t position; /* position of node, optionally used to move aabb as a whole */ + v2f_t origin; /* origin of node, 0,0 being center of aabb (the default) this determines how position relates to aabb. -1...1 being aabb.min ... aabb.max */ float alpha; /* alpha for the texture when composited */ double angle; /* angle for the texture when composited */ unsigned active:1; /* node is active */ @@ -199,6 +200,21 @@ void stage_node_get_position(const stage_t *stage, const stage_node_t *node, v2f } +/* set the origin for a node */ +void stage_node_set_origin(const stage_t *stage, stage_node_t *node, v2f_t *origin) +{ + node->origin = *origin; +} + + +/* get the origin for a node */ +void stage_node_get_origin(const stage_t *stage, const stage_node_t *node, v2f_t *res_origin) +{ + + *res_origin = node->origin; +} + + /* set a node to active (participates in rendering) */ void stage_node_set_active(const stage_t *stage, stage_node_t *node) { |