solstice-solver

commit db58b509501fd8f98b0e0ba762d183509a6ea4a8
parent 25fd1eab65a4b88d38b47470a2fed98d251d401b
Author: Vincent Forest <vincent.forest@meso-star.com>
Date:   Fri, 24 Jun 2016 09:48:36 +0200

Use a callback to retrieve the polygon vertices

This callback replaces the explicit list of 2D vertex positions.

Diffstat:
M
src/ssol.h
 | 
18
++++++++++--------

1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/src/ssol.h b/src/ssol.h
@@ -121,26 +121,25 @@ struct ssol_quadric {
   } data;
 };
 
-/* Material descriptors */
-struct ssol_miror_desc {/* TODO */};
-
 struct ssol_carving_circle circle {
   double radius;
 };
 
 struct ssol_carving_polygon polygon {
-  double* twoD_vertice;
-  size_t nb_vertice;
+  void (*get) /* Retrieve the 2D coordinates of the vertex `ivert' */
+    (const size_t ivert, double position[2], void* ctx);
+  size_t nvertices; /* #vertices */
+  void* context; /* User defined data */
 };
-    
+
 struct ssol_carving {
   enum ssol_carving_type type;
   union {
     struct ssol_carving_circle circle;
     struct ssol_carving_polygon polygon;
   } data;
-  double twoD_offset[2];
-  char internal;
+  double offset[2];
+  char internal; /* TODO comment/rename (?) this */
 };
 
 struct ssol_punched_surface {
@@ -149,6 +148,9 @@ struct ssol_punched_surface {
   size_t nb_carvings;
 };
 
+/* Material descriptors */
+struct ssol_miror_desc {/* TODO */};
+
 /*
  * All the ssol structures are ref counted. Once created with the appropriated
  * `ssol_<TYPE>_create' function, the caller implicitly owns the created data,