EPhysics: support bodies with generic shapes

Using EPhysics Shape.



SVN revision: 75152

legacy/ephysics/src/lib/EPhysics.h

@@ -1334,6 +1334,28 @@ EAPI EPhysics_Body *ephysics_body_circle_add(EPhysics_World *world);
  */
 EAPI EPhysics_Body *ephysics_body_box_add(EPhysics_World *world);
 
+/**
+ * @brief
+ * Create a new physics body using a custom shape.
+ *
+ * Its collision shape will be a convex shape that has all the points
+ * added to this @p shape. A shape can be created with
+ * @ref ephysics_shape_new().
+ *
+ * To change it's size @ref ephysics_body_geometry_set() should be used,
+ * so it can be deformed on x and y axises.
+ *
+ * @param world The world this body will belongs to.
+ * @param shape The custom shape to be used.
+ * @return a new body or @c NULL, on errors.
+ *
+ * @see ephysics_body_del().
+ * @see ephysics_body_evas_object_set().
+ *
+ * @ingroup EPhysics_Body
+ */
+EAPI EPhysics_Body *ephysics_body_shape_add(EPhysics_World *world, EPhysics_Shape *shape);
+
 /**
  * @brief
  * Create a physic top boundary.

legacy/ephysics/src/lib/ephysics_body.cpp

@@ -491,6 +491,47 @@ ephysics_body_box_add(EPhysics_World *world)
    return _ephysics_body_add(world, collision_shape, "box");
 }
 
+EAPI EPhysics_Body *
+ephysics_body_shape_add(EPhysics_World *world, EPhysics_Shape *shape)
+{
+   btConvexHullShape* collision_shape;
+   const Eina_Inlist *points;
+   EPhysics_Point *point;
+   btVector3 point3d;
+
+   if (!world)
+     {
+        ERR("Can't add shape, world is null.");
+        return NULL;
+     }
+
+   if (!shape)
+     {
+        ERR("Can't add shape, shape is null.");
+        return NULL;
+     }
+
+   collision_shape = new btConvexHullShape();
+   if (!collision_shape)
+     {
+        ERR("Couldn't create a generic convex shape.");
+        return NULL;
+     }
+
+   points = ephysics_shape_points_get(shape);
+
+   EINA_INLIST_FOREACH(points, point)
+     {
+        point3d = btVector3(point->x, point->y, 0);
+        collision_shape->addPoint(point3d);
+        point3d = btVector3(point->x, point->y, 0.5);
+        collision_shape->addPoint(point3d);
+     }
+
+   return _ephysics_body_add(world, (btCollisionShape *)collision_shape,
+                             "generic");
+}
+
 void
 ephysics_body_world_boundaries_resize(EPhysics_World *world)
 {