Rename 'coord' to 'point' where applicable

Rename 'coord' to 'point' where applicable, to help disambiguate whether
a coordinate is indeed a point or a rotation vector

2 files changed, 36 insertions, 36 deletions

diff --git a/include/xas/spatial.h b/include/xas/spatial.h
index db04ceb..df956a8 100644
--- a/include/xas/spatial.h
+++ b/include/xas/spatial.h
@@ -20,7 +20,7 @@ typedef struct _xas_spatial_cone {
 } xas_spatial_cone;
 
 typedef struct _xas_spatial_observer {
-    xas_spatial_coord coord,
+    xas_spatial_coord point,
                         rotation;
 
     float width;
@@ -38,7 +38,7 @@ struct _xas_spatial_object {
     ssize_t shift_l,
             shift_r;
 
-    xas_spatial_coord coord;
+    xas_spatial_coord point;
     xas_audio_stream *source;
     xas_spatial_object *next;
 };
@@ -72,7 +72,7 @@ xas_spatial_scene *xas_spatial_scene_new(xas_audio_format format,
 void xas_spatial_scene_destroy(xas_spatial_scene *scene);
 
 void xas_spatial_scene_set_observer(xas_spatial_scene *scene,
-                                      xas_spatial_coord coord,
+                                      xas_spatial_coord point,
                                       xas_spatial_coord rotation,
                                       float width);
 
@@ -85,12 +85,12 @@ int xas_spatial_scene_set_speed(xas_spatial_scene *scene, float speed);
 int xas_spatial_scene_set_radius(xas_spatial_scene *scene, float radius);
 
 xas_spatial_object *xas_spatial_scene_add_object(xas_spatial_scene *scene,
-                                                     xas_spatial_coord coord,
+                                                     xas_spatial_coord point,
                                                      xas_audio_stream *source);
 
 void xas_spatial_scene_position_object(xas_spatial_scene *scene,
                                          xas_spatial_object *object,
-                                         xas_spatial_coord coord);
+                                         xas_spatial_coord point);
 
 void xas_spatial_object_get_coord(xas_spatial_object *object,
                                     xas_spatial_coord *coord);
diff --git a/src/spatial.c b/src/spatial.c
index 654ef0b..2e1c066 100644
--- a/src/spatial.c
+++ b/src/spatial.c
@@ -26,10 +26,10 @@ static void diff(xas_spatial_coord *ret,
     ret->z = a.z - b.z;
 }
 
-static float magnf(xas_spatial_coord coord) {
-    return sqrtf(coord.x * coord.x
-               + coord.y * coord.y
-               + coord.z * coord.z);
+static float magnf(xas_spatial_coord point) {
+    return sqrtf(point.x * point.x
+               + point.y * point.y
+               + point.z * point.z);
 }
 
 static inline float degf(float rad) {
@@ -43,7 +43,7 @@ static inline float degf(float rad) {
 }
 
 static void rotate(xas_spatial_coord rotation,
-                   xas_spatial_coord *coord) {
+                   xas_spatial_coord *point) {
     double cosY = cos(rotation.y),
            sinY = sin(rotation.y),
            cosZ = cos(rotation.z),
@@ -56,14 +56,14 @@ static void rotate(xas_spatial_coord rotation,
     /*
      * Adjust vertex for Z axis rotation
      */
-    Rx = coord->x * cosZ - coord->y * sinZ;
-    Ry = coord->y * cosZ + coord->x * sinZ;
+    Rx = point->x * cosZ - point->y * sinZ;
+    Ry = point->y * cosZ + point->x * sinZ;
 
     /*
      * Adjust vertex for X axis rotation
      */
-    Py = Ry * cosX - coord->z * sinX;
-    Pz = coord->z * cosX - Ry * sinX;
+    Py = Ry * cosX - point->z * sinX;
+    Pz = point->z * cosX - Ry * sinX;
 
     /*
      * Adjust vertex for Y axis rotation
@@ -71,12 +71,12 @@ static void rotate(xas_spatial_coord rotation,
     Yx = Rx * cosY - Pz * sinY;
     Yz = Pz * cosY - Rx * sinY;
 
-    coord->x = Yx;
-    coord->y = Py;
-    coord->z = Yz;
+    point->x = Yx;
+    point->y = Py;
+    point->z = Yz;
 }
 
-static int within_cone(xas_spatial_coord coord,
+static int within_cone(xas_spatial_coord point,
                        xas_spatial_cone cone) {
     xas_spatial_coord apex_to_point_vect,
                         axis_vect,
@@ -89,7 +89,7 @@ static int within_cone(xas_spatial_coord coord,
 
     rotate(opposite, &rotated);
 
-    diff(&apex_to_point_vect, cone.apex, coord);
+    diff(&apex_to_point_vect, cone.apex, point);
     diff(&axis_vect,          cone.apex, rotated);
 
     return dotf(apex_to_point_vect, axis_vect)
@@ -220,11 +220,11 @@ ssize_t scene_fill(xas_spatial_scene *scene,
             size_t index_l,
                    index_r;
 
-            if (!within_cone(obj->coord, cone_l)) {
+            if (!within_cone(obj->point, cone_l)) {
                 value_l /= 3.0f;
             }
 
-            if (!within_cone(obj->coord, cone_r)) {
+            if (!within_cone(obj->point, cone_r)) {
                 value_r /= 3.0f;
             }
 
@@ -321,24 +321,24 @@ void xas_spatial_scene_destroy(xas_spatial_scene *scene) {
 
 
 void xas_spatial_scene_set_observer(xas_spatial_scene *scene,
-                                      xas_spatial_coord coord,
+                                      xas_spatial_coord point,
                                       xas_spatial_coord rotation,
                                       float width) {
-    scene->observer.coord    = coord;
+    scene->observer.point    = point;
     scene->observer.rotation = rotation;
     scene->observer.width    = width;
 }
 
 static void object_position(xas_spatial_scene *scene,
                             xas_spatial_object *object,
-                            xas_spatial_coord coord) {
+                            xas_spatial_coord point) {
     size_t delta_l_old = object->delta_l,
            delta_r_old = object->delta_r;
 
-    object->coord = coord;
+    object->point = point;
 
-    object->distance_l = dist(scene->speaker_l, coord);
-    object->distance_r = dist(scene->speaker_r, coord);
+    object->distance_l = dist(scene->speaker_l, point);
+    object->distance_r = dist(scene->speaker_r, point);
     object->delta_l    = sample_delta(scene, object->distance_l);
     object->delta_r    = sample_delta(scene, object->distance_r);
     object->shift_l    = object->delta_l - delta_l_old;
@@ -356,7 +356,7 @@ void xas_spatial_scene_set_speaker_coords(xas_spatial_scene *scene,
     while (obj) {
         xas_spatial_object *next = obj->next;
 
-        object_position(scene, obj, obj->coord);
+        object_position(scene, obj, obj->point);
 
         obj = next;
     }
@@ -375,7 +375,7 @@ int xas_spatial_scene_set_radius(xas_spatial_scene *scene, float radius) {
 }
 
 xas_spatial_object *xas_spatial_scene_add_object(xas_spatial_scene *scene,
-                                                     xas_spatial_coord coord,
+                                                     xas_spatial_coord point,
                                                      xas_audio_stream *source) {
     xas_spatial_object *object;
 
@@ -389,13 +389,13 @@ xas_spatial_object *xas_spatial_scene_add_object(xas_spatial_scene *scene,
         goto error_malloc_object;
     }
 
-    object->coord   = coord;
+    object->point   = point;
     object->source  = source;
     object->next    = NULL;
     object->delta_l = 0;
     object->delta_r = 0;
 
-    object_position(scene, object, coord);
+    object_position(scene, object, point);
 
     if (scene->first == NULL) {
         scene->first = object;
@@ -414,11 +414,11 @@ error_invalid_source:
     return NULL;
 }
 
-void xas_spatial_object_get_coord(xas_spatial_object *object,
-                                    xas_spatial_coord *coord) {
-    coord->x = object->coord.x;
-    coord->y = object->coord.y;
-    coord->z = object->coord.z;
+void xas_spatial_object_get_point(xas_spatial_object *object,
+                                    xas_spatial_coord *point) {
+    point->x = object->point.x;
+    point->y = object->point.y;
+    point->z = object->point.z;
 }
 
 xas_audio_stream *xas_spatial_scene_new_stream(xas_spatial_scene *scene,