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| author | jacksonmj <mj-pt@jacksonmj.co.uk> | 2011-08-17 22:40:42 (GMT) |
|---|---|---|
| committer | Simon Robertshaw <simon@hardwired.org.uk> | 2011-08-19 11:22:12 (GMT) |
| commit | de820e36f8032ed699065a0bc0fc425d66ef42f9 (patch) | |
| tree | f8c3cf2081ade53bcb873597e6578f46085fab7e /src/graphics.c | |
| parent | 161eb60cfa542a72a76598b3cb99a6b1994d3f48 (diff) | |
| download | powder-de820e36f8032ed699065a0bc0fc425d66ef42f9.zip powder-de820e36f8032ed699065a0bc0fc425d66ef42f9.tar.gz | |
Only do grav lensing when N-grav is on, and round coordinates correctly
Diffstat (limited to 'src/graphics.c')
| -rw-r--r-- | src/graphics.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/graphics.c b/src/graphics.c index 0b6dfd7..6225c6f 100644 --- a/src/graphics.c +++ b/src/graphics.c @@ -4009,12 +4009,12 @@ void render_gravlensing(pixel *src, pixel * dst) { for(ny = 0; ny < YRES; ny++) { - rx = nx-(gravxf[(ny*XRES)+nx]*0.75f); - ry = ny-(gravyf[(ny*XRES)+nx]*0.75f); - gx = nx-(gravxf[(ny*XRES)+nx]*0.875f); - gy = ny-(gravyf[(ny*XRES)+nx]*0.875f); - bx = nx-(gravxf[(ny*XRES)+nx]); - by = ny-(gravyf[(ny*XRES)+nx]); + rx = (int)(nx-gravxf[(ny*XRES)+nx]*0.75f+0.5f); + ry = (int)(ny-gravyf[(ny*XRES)+nx]*0.75f+0.5f); + gx = (int)(nx-gravxf[(ny*XRES)+nx]*0.875f+0.5f); + gy = (int)(ny-gravyf[(ny*XRES)+nx]*0.875f+0.5f); + bx = (int)(nx-gravxf[(ny*XRES)+nx]+0.5f); + by = (int)(ny-gravyf[(ny*XRES)+nx]+0.5f); if(rx > 0 && rx < XRES && ry > 0 && ry < YRES && gx > 0 && gx < XRES && gy > 0 && gy < YRES && bx > 0 && bx < XRES && by > 0 && by < YRES) { t = dst[ny*(XRES+BARSIZE)+nx]; |