 |
blind-cone-gradient: make the singularity's value 0.5 - blind - suckless comman… |
 |
git clone git://git.suckless.org/blind |
 |
Log |
|
Files |
|
Refs |
|
README |
|
LICENSE |
|
--- |
|
commit d7d10a866df51c219dc06589ab4c0c1704b90bbb |
|
parent 3094d5ae9311818bb7bdceca0e08ccf52832a7df |
|
Author: Mattias Andrée <[email protected]> |
|
Date: Mon, 3 Jul 2017 16:35:20 +0200 |
|
|
|
blind-cone-gradient: make the singularity's value 0.5 |
|
|
|
Signed-off-by: Mattias Andrée <[email protected]> |
|
|
|
Diffstat: |
|
M src/blind-cone-gradient.c | 28 ++++++++++++++++------------ |
|
|
|
1 file changed, 16 insertions(+), 12 deletions(-) |
|
--- |
|
diff --git a/src/blind-cone-gradient.c b/src/blind-cone-gradient.c |
|
@@ -44,18 +44,22 @@ static int with_multiplier = 0; |
|
y = (TYPE)iy - y1;\ |
|
for (ix = 0; ix < width; ix++) {\ |
|
x = (TYPE)ix - x1;\ |
|
- v = atan2(y, x);\ |
|
- v -= u;\ |
|
- v += 2 * (TYPE)M_PI;\ |
|
- v = mod(v, 2 * (TYPE)M_PI);\ |
|
- v /= 2 * (TYPE)M_PI;\ |
|
- if (anticlockwise)\ |
|
- v = 1 - v;\ |
|
- v *= m;\ |
|
- if (symmetric) {\ |
|
- v = mod(2 * v, (TYPE)2);\ |
|
- if (v > 1)\ |
|
- v = 2 - v;\ |
|
+ if (!x && !y) {\ |
|
+ v = 0.5;\ |
|
+ } else {\ |
|
+ v = atan2(y, x);\ |
|
+ v -= u;\ |
|
+ v += 2 * (TYPE)M_PI;\ |
|
+ v = mod(v, 2 * (TYPE)M_PI);\ |
|
+ v /= 2 * (TYPE)M_PI;\ |
|
+ if (anticlockwise)\ |
|
+ v = 1 - v;\ |
|
+ v *= m;\ |
|
+ if (symmetric) {\ |
|
+ v = mod(2 * v, (TYPE)2… |
|
+ if (v > 1)\ |
|
+ v = 2 - v;\ |
|
+ }\ |
|
}\ |
|
buf[ptr][0] = buf[ptr][1] = buf[ptr][2… |
|
if (++ptr == ELEMENTSOF(buf)) {\ |
