diff options
Diffstat (limited to 'src/graphics.c')
| -rw-r--r-- | src/graphics.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/graphics.c b/src/graphics.c index b92f12c..703e972 100644 --- a/src/graphics.c +++ b/src/graphics.c @@ -1255,6 +1255,30 @@ void draw_air(pixel *vid) } } +void draw_grav(pixel *vid) +{ + int x, y, i; + float nx, ny, dist; + + for (y=0; y<YRES/CELL; y++) + { + for (x=0; x<XRES/CELL; x++) + { + if(fabsf(gravx[y][x]) <= 0.001f && fabsf(gravy[y][x]) <= 0.001f) + continue; + nx = x*CELL; + ny = y*CELL; + dist = fabsf(gravx[y][x])+fabsf(gravy[y][x]); + for(i = 0; i < 4; i++) + { + nx -= gravx[y][x]*0.5f; + ny -= gravy[y][x]*0.5f; + addpixel(vid, (int)(nx+0.5f), (int)(ny+0.5f), 255, 255, 255, (int)(dist*20.0f)); + } + } + } +} + void draw_line(pixel *vid, int x1, int y1, int x2, int y2, int r, int g, int b, int a) //Draws a line { int dx, dy, i, sx, sy, check, e, x, y; |