added forces + damping, k factors

[hair] / src / hair.h

diff --git a/src/hair.h b/src/hair.h
index 23aff83..6cbf14e 100644 (file)
--- a/src/hair.h
+++ b/src/hair.h
@@ -28,6 +28,7 @@ public:
        void draw() const;
 
        void set_transform(Mat4 &xform);
+       void update(float dt);
 };
 
 #endif //PARTICLES_H_