Rev 2097 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1479 | jag | 1 | /* |
| 2 | * loom.cc |
||
| 2302 | jag | 3 | * DIN Is Noise is copyright (c) 2006-2025 Jagannathan Sampath |
| 1713 | jag | 4 | * DIN Is Noise is released under GNU Public License 2.0 |
| 1479 | jag | 5 | * For more information, please visit https://dinisnoise.org/ |
| 6 | */ |
||
| 964 | jag | 7 | #include "loom.h" |
| 8 | #include "log.h" |
||
| 9 | |||
| 10 | loom::loom () { |
||
| 11 | cell_size = 50; |
||
| 12 | seam = 0.9; |
||
| 13 | half_cell_size = cell_size / 2; |
||
| 14 | for (int i = 0, j = 1; i < sz; ++i) { |
||
| 15 | pattern0[i]=pattern[i]=j; |
||
| 16 | j=!j; |
||
| 17 | control[i]=1; |
||
| 18 | } |
||
| 19 | set_moveable (1); |
||
| 20 | } |
||
| 21 | |||
| 22 | void loom::draw () { |
||
| 23 | int x0 = posx, y0 = posy, x1 = 0, y1 = 0, x2 = 0, y2 = 0; |
||
| 24 | for (int i = 0; i < sz; ++i) { |
||
| 25 | y1 = y0 + half_cell_size; |
||
| 26 | y2 = y1 + half_cell_size; |
||
| 27 | if (control[i]) flip_pattern (); |
||
| 28 | for (int j = 0; j < sz; ++j) { |
||
| 29 | x1 = x0 + cell_size; |
||
| 30 | x2 = x1 - half_cell_size; |
||
| 31 | if (pattern[j] == 0) { |
||
| 32 | draw_rect (x0, y1, x1, y1, 0, 1, 1, 0); // horizontal |
||
| 33 | draw_rect (x2, y0, x2, y2, 1, 1, 0, 1); // vertical |
||
| 34 | } else { |
||
| 35 | draw_rect (x2, y0, x2, y2, 1, 1, 0, 1); // vertical |
||
| 36 | draw_rect (x0, y1, x1, y1, 0, 1, 1, 0); // horizontal |
||
| 37 | } |
||
| 38 | x0 = x1; |
||
| 39 | } |
||
| 40 | y0 = y2; |
||
| 41 | x0 = posx; |
||
| 42 | } |
||
| 43 | int szzs = sz * cell_size; |
||
| 44 | set_extents (posx, posy, posx + szzs, posy + szzs); |
||
| 45 | memcpy (pattern, pattern0, sz * sizeof(int)); |
||
| 46 | } |
||
| 47 | |||
| 48 | void loom::draw_rect (int x1, int y1, int x2, int y2, float r, float g, float b, int v) { |
||
| 49 | float w = seam * half_cell_size; |
||
| 50 | glColor3f (r, g, b); |
||
| 51 | if (v) { |
||
| 52 | glRectf (x1 - w, y1, x1 + w, y2); |
||
| 53 | } else { |
||
| 54 | glRectf (x1, y1 - w, x2, y1 + w); |
||
| 55 | } |
||
| 56 | } |
||
| 57 | |||
| 58 | void loom::flip_pattern () { // to get one free pattern |
||
| 59 | for (int i = 0, p; i < sz; ++i) { |
||
| 60 | p = pattern[i]; |
||
| 61 | pattern[i]=!p; |
||
| 62 | } |
||
| 63 | } |