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rogueviz:: gears demo
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Zeno Rogue committed
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// ./ht -rands 223 -geo Bring -7 -vizszi -canvas-random 0 -gears animperiod=500 -smart 10 -run -zoom .95 -shot-1000 -smart 1 -animvideo 30 gears.mp4 -exit
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#include "../hyper.h"
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namespace hr {
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namespace gears {
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ld px = 0.15, py = 0.22;
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int teeth1 = 10, teeth2 = 25;
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ld extend = 0, extendin = 0;
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ld tsize = 0.1;
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ld p;
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ld rat = 0.2;
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hyperpoint h1, h2;
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int speed = 1;
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struct gear_data : gi_extension {
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hpcshape gear1, gear2, circle;
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};
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void genshape1(gear_data& gd) {
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cgi.bshape(gd.gear1, PPR::FLOOR);
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ld r1 = asin_auto(teeth1 * tsize);
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hyperpoint afirst, first, last;
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ld cp0 = 0 - extendin, cp1 = 1 + extend;
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for(int t=0; t<teeth1; t++) {
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for(ld param1=cp0; param1<=cp1; param1+=0.01) {
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ld alpha1 = (param1 - 0.5) * (TAU / teeth1);
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hyperpoint h = spin(-TAU * t / teeth1) * spin(-alpha1) * xpush(r1) * normalize(lerp(h1, h2, param1));
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if(param1 == cp0) first = h;
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if(param1 == cp0 && t == 0) afirst = h;
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cgi.hpcpush(h);
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}
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for(ld param1=cp1; param1>=cp0; param1-=0.01) {
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ld alpha1 = (param1 - 0.5) * (TAU / teeth1);
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hyperpoint h = spin(-TAU * t / teeth1) * spin(-M_PI/teeth1) * spin(alpha1) * xpush(r1) * normalize(MirrorY * lerp(h1, h2, param1));
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cgi.hpcpush(h);
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last = h;
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}
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cgi.hpcpush(normalize(last+C0*rat));
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cgi.hpcpush(spin(-M_PI/teeth1) * normalize(first+last+C0*rat*2));
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cgi.hpcpush(spin(-TAU /teeth1) * normalize(first+C0*rat));
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}
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cgi.hpcpush(afirst);
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cgi.finishshape();
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}
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void genshape2() {
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ld r2 = asin_auto(teeth2 * tsize);
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hyperpoint afirst, first, last;
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ld cp0 = 0 - extend, cp1 = 1 + extendin;
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for(int t=0; t<teeth2; t++) {
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for(ld param1=cp1; param1>=cp0; param1-=0.01) {
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ld alpha1 = (param1 - 0.5) * (TAU / teeth2);
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hyperpoint h = spin(TAU * t / teeth2) * spin(M_PI/teeth2) * spin(-alpha1) * xpush(-r2) * normalize(MirrorY * lerp(h1, h2, param1));
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if(param1 == cp1) first = h;
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if(param1 == cp1 && t == 0) afirst = h;
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curvepoint(h);
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}
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for(ld param1=cp0; param1<=cp1; param1+=0.01) {
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ld alpha1 = (param1 - 0.5) * (TAU / teeth2);
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hyperpoint h = spin(TAU * (t+1) / teeth2) * spin(alpha1) * xpush(-r2) * normalize(lerp(h1, h2, param1));
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last = h;
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curvepoint(h);
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}
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curvepoint(normalize(last+C0*rat));
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curvepoint(spin(M_PI/teeth2) * normalize(first+last+C0*rat*2));
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curvepoint(spin(TAU/teeth2) * normalize(first+C0*rat));
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}
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curvepoint(afirst);
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}
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void gencircle(gear_data& gd) {
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cgi.bshape(gd.circle, PPR::ITEM);
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for(int a=0; a<=360; a++) cgi.hpcpush(xspinpush0(a*degree, asin_auto(teeth1 * tsize) * .6));
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cgi.finishshape();
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}
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void gears_frame() {
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// ld r1 = asin_auto(teeth1 * tsize);
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// ld r2 = asin_auto(teeth2 * tsize);
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// ld param = frac(ticks * speed / anims::period);
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// shiftmatrix S = ggmatrix(cwt.at) * xpush(p); hr::ignore(S);
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h1 = hpxy(-px, py);
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h2 = hpxy(px, -py);
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/*
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queueline(S * h1, S * h2, 0xFF0000FF);
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queueline(S * xpush0(-r1), S * lerp(h1, h2, param), 0x00FF0080);
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queueline(S * xpush0(r1), S * lerp(h1, h2, param), 0x00FF0080);
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*/
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// ld alpha = (param - 0.5) * (TAU / teeth1);
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/* genshape1();
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queuecurve(S * xpush(-r1) * spin(alpha), 0xFF0000FF, 0xFF000080, PPR::LINE);
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alpha = (param - 0.5) * (TAU / teeth2);
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genshape2();
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queuecurve(S * xpush(r2) * spin(-alpha), 0xFF0000FF, 0xFF000080, PPR::LINE); */
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}
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set<cell*> visited;
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// spin = t[0..1] * TAU / teeth1
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bool gears_cell(cell *c, const shiftmatrix& V) {
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h1 = hpxy(-px, py);
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h2 = hpxy(px, -py);
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auto& gd = (unique_ptr<gear_data>&) cgi.ext["gears"];
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if(!gd) {
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gd = std::make_unique<gear_data>();
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genshape1(*gd);
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gencircle(*gd);
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cgi.extra_vertices();
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println(hlog, "generated gears ", tie(gd->gear1.s, gd->gear1.e), tie(gd->circle.s, gd->circle.e));
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}
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if(!visited.count(c)) {
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hyperpoint h = (V * C0).h;
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ld d = hdist0(h);
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d = 1 / (1 + d);
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println(hlog, "d = ", d);
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int iad = int(d * 100);
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ld r = atan2(h);
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if(iad == 37) r += M_PI*0.4;
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c->landparam = rainbow_color(1 - d, r / TAU);
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visited.insert(c);
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}
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ld param = frac(ticks * speed / anims::period);
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ld alpha = (param - 0.5) * (TAU / teeth1);
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color_t col = c->landparam & 0xFFFFFF;
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poly_outline = darkena(col, 0, 0xFF);
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vid.linewidth *= 2;
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// queuecurve(V * spin((sphere ? (celldistance(c, cwt.at)&1) : (c->master->distance&1)) ? alpha : -alpha), darkena(col, 0, 0xFF), darkena(gradient(0, col, 0, 0.5, 1), 0, 0xFF), PPR::LINE);
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queuepoly(V * spin((sphere ? (celldistance(c, cwt.at)&1) : (c->master->distance&1)) ? alpha : -alpha), gd->gear1, darkena(gradient(0, col, 0, 0.5, 1), 0, 0xFF));
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vid.linewidth /= 2;
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vid.linewidth *= 2;
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queuepoly(V, gd->circle, 0x000000FF);
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vid.linewidth /= 2;
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addaura(tC0(V), col, 0);
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return true;
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}
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void gears_dialog() {
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cmode = sm::NORMAL | sm::SIDE;
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gamescreen();
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dialog::init();
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dialog::init(XLAT("gear parameters"));
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dialog::addBreak(25);
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dialog::addSelItem("gear size", fts(tsize), 'g');
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dialog::add_action([] { dialog::editNumber(tsize, 0, 1, 0.1, 0.1, "gear size", ""); dialog::scaleLog(); });
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dialog::addSelItem("teeth1", its(teeth1), 'a');
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dialog::add_action([] { dialog::editNumber(teeth1, 3, 100, 1, 10, "teeth1", ""); });
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dialog::addSelItem("teeth2", its(teeth2), 'b');
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dialog::add_action([] { dialog::editNumber(teeth2, 3, 100, 1, 10, "teeth2", ""); });
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dialog::addSelItem("px", fts(px), 'c');
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dialog::add_action([] { dialog::editNumber(px, 0, 1, 0.01, 0.01, "px", ""); });
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dialog::addSelItem("py", fts(py), 'd');
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dialog::add_action([] { dialog::editNumber(py, 0, 1, 0.01, 0.01, "py", ""); });
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dialog::addSelItem("extend", fts(extend), 'e');
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dialog::add_action([] { dialog::editNumber(extend, 0, 1, 0.01, 0.01, "extend", ""); });
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dialog::addSelItem("extend-in", fts(extendin), 'f');
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dialog::add_action([] { dialog::editNumber(extendin, 0, 1, 0.01, 0.01, "extend-in", ""); });
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dialog::addBack();
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dialog::display();
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}
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void enable() {
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start_game();
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// addHook(hooks_frame, 100, gears_frame);
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pushScreen(gears_dialog);
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ld r = hdist(C0, currentmap->adj(cwt.at, 0) * C0) / 2;
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teeth1 = 15; teeth2 = 15;
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// r = asin_auto(teeth1 * tsize);
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tsize = sin_auto(r) / teeth1;
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p = -r;
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px = 0.05; py = 0.1;
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println(hlog, "r=", r, " size=", tsize);
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addHook(hooks_drawcell, 100, gears_cell);
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}
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auto shot_hooks = arg::add2("-gears", enable) + arg::add2("-rands", [] { arg::shift(); int q = arg::argi(); for(int i=0; i<q; i++) hrand(10); })
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+ arg::add2("-gear-speed", [] { arg::shift(); speed = arg::argi(); arg::shift(); anims::rot_multiplier = arg::argi(); });
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}
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}
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