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added colors.cpp for all color-related functions

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Zeno Rogue
2021-03-25 10:56:20 +01:00
parent d16aa1b160
commit 355b8df23a
6 changed files with 276 additions and 213 deletions
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43
graph.cpp
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@@ -122,49 +122,6 @@ ld spina(cell *c, int dir) {
return 2 * M_PI * dir / c->type;
}
// cloak color
EX int cloakcolor(int rtr) {
rtr -= 28;
rtr /= 2;
rtr %= 10;
if(rtr < 0) rtr += 10;
// rtr = time(NULL) % 10;
int cc[10] = {
0x8080FF, 0x80FFFF, 0x80FF80, 0xFF8080, 0xFF80FF, 0xFFFF80,
0xFFFFC0, 0xFFD500, 0x421C52, 0
};
return cc[rtr];
}
int firegradient(double p) {
return gradient(0xFFFF00, 0xFF0000, 0, p, 1);
}
EX int firecolor(int phase IS(0), int mul IS(1)) {
return gradient(0xFFFF00, 0xFF0000, -1, sintick(100*mul, phase/200./M_PI), 1);
}
EX int watercolor(int phase) {
return 0x0080C0FF + 256 * int(63 * sintick(50, phase/100./M_PI));
}
EX int aircolor(int phase) {
return 0x8080FF00 | int(32 + 32 * sintick(200, phase * 1. / cgi.S21));
}
EX int fghostcolor(cell *c) {
int phase = int(fractick(650, (int)(size_t)c) * 4000);
if(phase < 1000) return gradient(0xFFFF80, 0xA0C0FF, 0, phase, 1000);
else if(phase < 2000) return gradient(0xA0C0FF, 0xFF80FF, 1000, phase, 2000);
else if(phase < 3000) return gradient(0xFF80FF, 0xFF8080, 2000, phase, 3000);
else if(phase < 4000) return gradient(0xFF8080, 0xFFFF80, 3000, phase, 4000);
return 0xFFD500;
}
EX int weakfirecolor(int phase) {
return gradient(0xFF8000, 0xFF0000, -1, sintick(500, phase/1000./M_PI), 1);
}
/** @brief used to alternate colors depending on distance to something. In chessboard-patterned geometries, also use a third step */
EX int flip_dark(int f, int a0, int a1) {