vrmodel
annotate src/vport.cc @ 1:76e75cbcb758
foo
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Fri, 29 Aug 2014 23:07:59 +0300 |
| parents | |
| children |
| rev | line source |
|---|---|
| nuclear@1 | 1 #include "vport.h" |
| nuclear@1 | 2 #include "opengl.h" |
| nuclear@1 | 3 |
| nuclear@1 | 4 static void draw_grid(int num_lines, float sep); |
| nuclear@1 | 5 |
| nuclear@1 | 6 bool init_vport() |
| nuclear@1 | 7 { |
| nuclear@1 | 8 return true; |
| nuclear@1 | 9 } |
| nuclear@1 | 10 |
| nuclear@1 | 11 void destroy_vport() |
| nuclear@1 | 12 { |
| nuclear@1 | 13 } |
| nuclear@1 | 14 |
| nuclear@1 | 15 void draw_vport() |
| nuclear@1 | 16 { |
| nuclear@1 | 17 draw_grid(10, 2.5); |
| nuclear@1 | 18 } |
| nuclear@1 | 19 |
| nuclear@1 | 20 static void draw_grid(int num_lines, float sep) |
| nuclear@1 | 21 { |
| nuclear@1 | 22 float size = num_lines * sep; |
| nuclear@1 | 23 |
| nuclear@1 | 24 glLineWidth(1); |
| nuclear@1 | 25 |
| nuclear@1 | 26 glBegin(GL_LINES); |
| nuclear@1 | 27 glColor3f(0.3, 0.3, 0.3); |
| nuclear@1 | 28 for(int i=1; i<=num_lines; i++) { |
| nuclear@1 | 29 glVertex3f(-i * sep, 0, -size); |
| nuclear@1 | 30 glVertex3f(-i * sep, 0, size); |
| nuclear@1 | 31 glVertex3f(i * sep, 0, -size); |
| nuclear@1 | 32 glVertex3f(i * sep, 0, size); |
| nuclear@1 | 33 glVertex3f(-size, 0, -i * sep); |
| nuclear@1 | 34 glVertex3f(size, 0, -i * sep); |
| nuclear@1 | 35 glVertex3f(-size, 0, i * sep); |
| nuclear@1 | 36 glVertex3f(size, 0, i * sep); |
| nuclear@1 | 37 } |
| nuclear@1 | 38 glEnd(); |
| nuclear@1 | 39 |
| nuclear@1 | 40 glLineWidth(2); |
| nuclear@1 | 41 glBegin(GL_LINES); |
| nuclear@1 | 42 glColor3f(1, 0.3, 0.3); |
| nuclear@1 | 43 glVertex3f(-size, 0, 0); |
| nuclear@1 | 44 glVertex3f(size, 0, 0); |
| nuclear@1 | 45 glColor3f(0.3, 1, 0.3); |
| nuclear@1 | 46 glVertex3f(0, 0, -size); |
| nuclear@1 | 47 glVertex3f(0, 0, size); |
| nuclear@1 | 48 glEnd(); |
| nuclear@1 | 49 } |