1 | function collision_line_first(arg0, arg1, arg2, arg3, arg4, arg5, arg6) |
2 | { |
3 | var ox = arg0; |
4 | var oy = arg1; |
5 | var dx = arg2; |
6 | var dy = arg3; |
7 | var object = arg4; |
8 | var prec = arg5; |
9 | var notme = arg6; |
10 | var sx = dx - ox; |
11 | var sy = dy - oy; |
12 | var inst = collision_line(ox, oy, dx, dy, object, prec, notme); |
13 | if (inst != -4) |
14 | { |
15 | while (abs(sx) >= 1 || abs(sy) >= 1) |
16 | { |
17 | sx /= 2; |
18 | sy /= 2; |
19 | var i = collision_line(ox, oy, dx, dy, object, prec, notme); |
20 | if (i) |
21 | { |
22 | dx -= sx; |
23 | dy -= sy; |
24 | inst = i; |
25 | } |
26 | else |
27 | { |
28 | dx += sx; |
29 | dy += sy; |
30 | } |
31 | } |
32 | } |
33 | return inst; |
34 | } |