ref: d5d91e427bf11ce5e16fb882790ecd0db7d57334
parent: 8579038a260c2f965d81ae360bdb0a7fe16d8369
author: robs <robs>
date: Sat Jun 28 17:44:35 EDT 2008
tweak colours
--- a/src/spectrogram.c
+++ b/src/spectrogram.c
@@ -366,15 +366,15 @@
case 5: c[j] = 1 - (7 * x - phase_num); break;
}
} else {- if (x < .16) c[0] = 0;
- else if (x < .72) c[0] = .99 * sin((x - .16) / .56 * M_PI / 2);
- else c[0] = .01 * (x - .72) / .28 + .99;
- if (x < .52) c[1] = 0;
- else if (x < .86) c[1] = .99 * .5 * (1 - cos((x - .52) / .34 * M_PI));
- else c[1] = .01 * (x - .86) / .14 + .99;
- if (x < .34) c[2] = .5 * sin((x - .00) / .34 * M_PI / 2);
- else if (x < .63) c[2] = .5 * .5 * (1 + cos((x - .34) / .29 * M_PI));
- else c[2] = (1 - cos((x - .63) / .37 * M_PI / 2));
+ if (x < .13) c[0] = 0;
+ else if (x < .73) c[0] = 1 * sin((x - .13) / .60 * M_PI / 2);
+ else c[0] = 1;
+ if (x < .60) c[1] = 0;
+ else if (x < .91) c[1] = 1 * sin((x - .60) / .31 * M_PI / 2);
+ else c[1] = 1;
+ if (x < .60) c[2] = .5 * sin((x - .00) / .60 * M_PI);
+ else if (x < .78) c[2] = 0;
+ else c[2] = (x - .78) / .22;
}
palette[at].red = .5 + 255 * c[p->perm % 3];
palette[at].green= .5 + 255 * c[(1 + p->perm + (p->perm % 2)) % 3];