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rootston rotation: change view->rotation sign

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The convetion with wlr_matrix changed and it's a good time to remove
all these pesky minus signs
This commit is contained in:
Dominique Martinet 2018-03-18 08:59:56 +01:00
parent 1956d3cedb
commit a491f780b8
3 changed files with 11 additions and 11 deletions
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2
rootston/cursor.c
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@ -200,7 +200,7 @@ static void roots_cursor_update_position(struct roots_cursor *cursor,
uy = cursor->offs_y - oy;
int vx = cursor->cursor->x - ox,
vy = cursor->cursor->y - oy;
float angle = atan2(vx*uy - vy*ux, vx*ux + vy*uy);
float angle = atan2(ux*vy - uy*vx, vx*ux + vy*uy);
int steps = 12;
angle = round(angle/M_PI*steps) / (steps/M_PI);
view_rotate(view, cursor->view_rotation + angle);