X-Git-Url: https://git.cworth.org/git?p=akamaru;a=blobdiff_plain;f=akamaru.h;h=77f8d580646a4acf3ef09003295238fa50d4f18f;hp=bfec60f70e36f99926e78188c492430d58124f64;hb=HEAD;hpb=9bdb07522bfbb2611a7e70f1204d96b98bc0e615

diff --git a/akamaru.h b/akamaru.h
index bfec60f..77f8d58 100644
--- a/akamaru.h
+++ b/akamaru.h
@@ -12,6 +12,8 @@ typedef struct _Stick Stick;
 typedef struct _String String;
 typedef struct _Spring Spring;
 typedef struct _OffsetSpring OffsetSpring;
+typedef struct _Spacer Spacer;
+typedef struct _Anchor Anchor;
 typedef struct _Polygon Polygon;
 typedef struct _Offset Offset;
 typedef struct _Model Model;
@@ -53,11 +55,21 @@ struct _OffsetSpring {
   int dx, dy;
 };
 
+struct _Spacer {
+  Object *a, *b;
+  int length;
+};
+
+struct _Anchor {
+  Object *object;
+  double x, y;
+};
+
 struct _Polygon {
   int num_points;
   Point *points;
   Vector *normals;
-  int edge;
+  int enclosing;
 };
 
 struct _Model {
@@ -73,21 +85,35 @@ struct _Model {
   Spring *springs;
   int num_offset_springs;
   OffsetSpring *offset_springs;
+  int num_spacers;
+  Spacer *spacers;
+  int num_anchors;
+  Anchor *anchors;
   int num_polygons;
   Polygon *polygons;
   double k;
   double friction;
 
-  Object *anchor_object;
-  Vector anchor_position;
+  Anchor mouse_anchor;
 
   double theta;
 };
 
-void polygon_init (Polygon *p, int num_points, ...);
+void object_init (Object *object, double x, double y, double mass);
+void offset_spring_init (OffsetSpring *spring,
+			 Object *a, Object *b, double dx, double dy);
+void spring_init (Spring *spring, Object *a, Object *b, double length);
+void stick_init (Stick *stick, Object *a, Object *b, double length);
+void string_init (String *string, Object *a, Object *b, double length);
+void spacer_init (Spacer *spacer, Object *a, Object *b, double length);
+void anchor_init (Anchor *anchor, Object *object, double x, double y);
+
+void polygon_init (Polygon *p, int enclosing, int num_points, ...);
 void polygon_init_diamond (Polygon *polygon, double x, double y);
 void polygon_init_rectangle (Polygon *polygon, double x0, double y0,
 			     double x1, double y1);
+void polygon_init_enclosing_rectangle (Polygon *polygon, double x0, double y0,
+				       double x1, double y1);
 
 void model_fini (Model *model);