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Penrose staircase pattern in Nil, and diagonal pattern in Crystal

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This commit is contained in:
Zeno Rogue 2019-10-25 12:47:03 +02:00
parent 85a08d205d
commit 72e6859dd5
3 changed files with 37 additions and 3 deletions
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5
crystal.cpp
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@ -687,6 +687,11 @@ EX color_t colorize(cell *c, char whichCanvas) {
return res;
}
case '/': {
int s = ico[1] + ico[2] + ico[3] + ico[0];
if(s > 0) return 0x1FF20FF;
else if (s < -2) return 0x1C0C0C0;
}
}
return res;
}

24
nonisotropic.cpp
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@ -774,6 +774,7 @@ EX namespace nilv {
{ point31(0,0,0.5), point31(-0.5,0.5,0.25), point31(-0.5,-0.5,0.75), point31(0,0,0.5), point31(-0.5,-0.5,0.75), point31(-0.5,-0.5,0.5), point31(0,0,0.5), point31(-0.5,-0.5,0.5), point31(0.5,-0.5,0.5), point31(0,0,0.5), point31(0.5,-0.5,0.5), point31(0.5,-0.5,0.25), point31(0,0,0.5), point31(0.5,-0.5,0.25), point31(0.5,0.5,0.75), point31(0,0,0.5), point31(0.5,0.5,0.75), point31(0.5,0.5,0.5), point31(0,0,0.5), point31(0.5,0.5,0.5), point31(-0.5,0.5,0.5), point31(0,0,0.5), point31(-0.5,0.5,0.5), point31(-0.5,0.5,0.25), },
}};
EX int zgmod(int a, int b) { return b ? a%b : a; }
array<int,3> nilperiod, nilperiod_edit;
@ -805,7 +806,7 @@ EX namespace nilv {
heptagon *create_step(heptagon *parent, int d) override {
auto p = coords[parent];
auto q = p * movevectors[d];
for(int a=0; a<3; a++) if(nilperiod[a]) q[a] = gmod(q[a], nilperiod[a]);
for(int a=0; a<3; a++) q[a] = zgmod(q[a], nilperiod[a]);
auto child = get_at(q);
parent->c.connect(d, child, (d + nilv_S7/2) % nilv_S7, false);
return child;
@ -857,6 +858,27 @@ EX namespace nilv {
return nisot::translate(s0) * formula_exp(h * x);
}
EX color_t colorize(cell *c, char whichCanvas) {
mvec at = ((hrmap_nil*)currentmap)->coords[c->master];
color_t res = 0;
auto setres = [&] (int z, color_t which) {
if(zgmod(at[2] - z, nilperiod[2]) == 0) res = which;
if(zgmod(at[2] - z-1, nilperiod[2]) == 0) res = which;
};
if(at[1] == 0 && at[0] >=0 && at[0] < 4)
setres(-at[0], gradient(0x1FF0000, 0x10000FF, 0, at[0], 4));
else if(at[0] == 4 && at[1] >= 0 && at[1] < 4)
setres(at[1]*3-4, gradient(0x10000FF, 0x100FF00, 0, at[1], 4));
else if(at[1] == 4 && at[0] >= 0 && at[0] <= 4)
setres(4+at[0], gradient(0x100FF00, 0x1FFFF00, 4, at[0], 0));
else if(at[0] == 0 && at[1] >= 0 && at[1] <= 4)
setres(at[1], gradient(0x1FFFF00, 0x1FF0000, 4, at[1], 0));
return res;
}
EX void prepare_niltorus3() {
nilperiod_edit = nilperiod;
}

11
pattern2.cpp
View File

@ -1540,8 +1540,11 @@ EX namespace patterns {
if(i != -1) return i;
switch(whichCanvas) {
#if CAP_CRYSTAL
case 'K': case '#': case '=': case 'O':
return crystal::colorize(c, whichCanvas);
case 'K': case '#': case '=': case 'O': case '/':
if(nil)
return nilv::colorize(c, whichCanvas);
else
return crystal::colorize(c, whichCanvas);
#endif
case 'A':
#if CAP_ARCM
@ -1702,6 +1705,10 @@ EX namespace patterns {
dialog::addSelItem(XLAT("Cage"), "Crystal", '#');
dialog::addSelItem(XLAT("Hyperplanes"), "Crystal", '=');
dialog::addSelItem(XLAT("Honeycomb"), "Crystal", 'O');
dialog::addSelItem(XLAT("Diagonal"), "Crystal", '/');
}
if(nil) {
dialog::addSelItem(XLAT("Penrose staircase"), "Nil", '/');
}
dialog::addSelItem(XLAT("sides"), "sides", 'B');