Commit 43b5b15905550ff90a7ffd0869e10c519ae63ae3
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d6c861fa
Added comment to draw_bullet()
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07-tapered_bullet/cannon.c
| @@ -66,6 +66,8 @@ void move_target(struct target *t) { | @@ -66,6 +66,8 @@ void move_target(struct target *t) { | ||
| 66 | } | 66 | } |
| 67 | } | 67 | } |
| 68 | 68 | ||
| 69 | +// draw isosceles trapezoid with the center of larger base at (x1,y1), center of smaller base at (x2,y2) | ||
| 70 | +// width - width of larger base, taper - ratio of smaller base to larger base | ||
| 69 | void draw_bullet(int x1, int y1, int x2, int y2, int width, double taper, int color) { | 71 | void draw_bullet(int x1, int y1, int x2, int y2, int width, double taper, int color) { |
| 70 | // define vector representing the central line | 72 | // define vector representing the central line |
| 71 | int dx = x2 - x1; | 73 | int dx = x2 - x1; |