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Added gravity.
[universe.git]
/
canvas.h
diff --git
a/canvas.h
b/canvas.h
index
a12dc74
..
b12823e
100644
(file)
--- a/
canvas.h
+++ b/
canvas.h
@@
-15,6
+15,7
@@
class Canvas {
public:
+ virtual void set_line_width(scalar_t w) = 0;
virtual void set_drawing_color(scalar_t r, scalar_t g, scalar_t b) = 0;
virtual void draw_polygon(int filled, int nb, scalar_t *x, scalar_t *y) = 0;
};