mirror of
https://github.com/zenorogue/hyperrogue.git
synced 2024-11-23 21:07:17 +00:00
ray:: configurable reflective walls
This commit is contained in:
Zeno Rogue
parent
a766abdff7
commit
ebba7a2a82
@ -26,6 +26,8 @@ EX ld maxstep_sol = .02;
|
||||
EX ld maxstep_nil = .1;
|
||||
EX ld minstep = .001;
|
||||
|
||||
EX ld reflect_val = 0;
|
||||
|
||||
EX int max_iter_sol = 600, max_iter_iso = 60;
|
||||
|
||||
EX int max_cells = 2048;
|
||||
@ -110,7 +112,7 @@ void enable_raycaster() {
|
||||
if(geometry != last_geometry) reset_raycaster();
|
||||
last_geometry = geometry;
|
||||
if(!our_raycaster) {
|
||||
bool use_reflect = false;
|
||||
bool use_reflect = reflect_val && !nil;
|
||||
|
||||
string vsh =
|
||||
"attribute vec4 aPosition;\n"
|
||||
@ -132,7 +134,7 @@ void enable_raycaster() {
|
||||
"uniform int uLength;\n"
|
||||
"uniform float uIPD;\n"
|
||||
"uniform mat4 uStart;\n"
|
||||
"uniform mat4 uM[80];\n"
|
||||
"uniform mat4 uM[84];\n"
|
||||
"uniform mat4 uTest;\n"
|
||||
"uniform vec2 uStartid;\n"
|
||||
"uniform sampler2D tConnections;\n"
|
||||
@ -185,6 +187,8 @@ void enable_raycaster() {
|
||||
|
||||
string fmain = "void main() {\n";
|
||||
|
||||
if(use_reflect) fmain += " bool depthtoset = true;\n";
|
||||
|
||||
if(IN_ODS) fmain +=
|
||||
" float lambda = at[0];\n" // -PI to PI
|
||||
" float phi;\n"
|
||||
@ -264,6 +268,8 @@ void enable_raycaster() {
|
||||
}
|
||||
|
||||
// shift d units
|
||||
if(use_reflect) fmain +=
|
||||
"bool reflect = false;\n";
|
||||
|
||||
if(hyperbolic) fmain +=
|
||||
" float ch = cosh(dist); float sh = sinh(dist);\n"
|
||||
@ -311,9 +317,6 @@ void enable_raycaster() {
|
||||
"vec4 acc2 = christoffel(pos2, tan2, tan2);\n"
|
||||
"vec4 nposition = position + tangent * dist + acc2 / 2. * dist * dist;\n";
|
||||
|
||||
if(use_reflect) fmain +=
|
||||
"bool reflect = false;\n";
|
||||
|
||||
if(nil) {
|
||||
fmain +=
|
||||
"vec4 xp, xt;\n"
|
||||
@ -422,7 +425,7 @@ void enable_raycaster() {
|
||||
|
||||
if(use_reflect) fmain +=
|
||||
" if(col.w == 1.) {\n"
|
||||
" col.w = 0.9;\n"
|
||||
" col.w = float("+fts(1-reflect_val)+");\n"
|
||||
" reflect = true;\n"
|
||||
" }\n";
|
||||
|
||||
@ -430,7 +433,11 @@ void enable_raycaster() {
|
||||
ld vfar = glhr::vfar_default;
|
||||
|
||||
fmain +=
|
||||
" gl_FragColor.xyz += left * col.xyz * col.w;\n"
|
||||
" gl_FragColor.xyz += left * col.xyz * col.w;\n";
|
||||
|
||||
if(use_reflect) fmain +=
|
||||
" if(reflect && depthtoset) {\n";
|
||||
else fmain +=
|
||||
" if(col.w == 1.) {\n";
|
||||
|
||||
if(hyperbolic) fmain +=
|
||||
@ -442,12 +449,33 @@ void enable_raycaster() {
|
||||
|
||||
fmain +=
|
||||
" gl_FragDepth = (-float("+fts(vnear+vfar)+")+w*float("+fts(2*vnear*vfar)+")/z)/float("+fts(vnear-vfar)+");\n"
|
||||
" gl_FragDepth = (gl_FragDepth + 1.) / 2.;\n"
|
||||
" return;\n"
|
||||
" gl_FragDepth = (gl_FragDepth + 1.) / 2.;\n";
|
||||
|
||||
if(!use_reflect) fmain +=
|
||||
" return;\n";
|
||||
else fmain +=
|
||||
" depthtoset = false;\n";
|
||||
|
||||
fmain +=
|
||||
" }\n"
|
||||
" left *= (1. - col.w);\n"
|
||||
" }\n";
|
||||
|
||||
if(use_reflect) {
|
||||
if(sol) fmain +=
|
||||
" if(reflect) {\n"
|
||||
" if(which == 0 || which == 4) tangent.x = -tangent.x;\n"
|
||||
" else if(which == 1 || which == 5) tangent.y = -tangent.y;\n"
|
||||
" else tangent.z = -tangent.z;\n"
|
||||
" continue;\n"
|
||||
" }\n";
|
||||
else fmain +=
|
||||
" if(reflect) {\n"
|
||||
" tangent = uM["+its(S7)+"+which] * tangent;\n"
|
||||
" continue;\n"
|
||||
" }\n";
|
||||
}
|
||||
|
||||
// next cell
|
||||
fmain +=
|
||||
" vec4 connection = texture2D(tConnections, u);\n"
|
||||
@ -456,17 +484,16 @@ void enable_raycaster() {
|
||||
" tangent = uM[mid] * uM[which] * tangent;\n"
|
||||
" cid = connection.xy;\n";
|
||||
|
||||
if(use_reflect) fmain +=
|
||||
" if(reflect) {\n"
|
||||
" if(which == 0 || which == 4) tangent.x = -tangent.x;\n"
|
||||
" else if(which == 1 || which == 5) tangent.y = -tangent.y;\n"
|
||||
" else tangent.z = -tangent.z;\n"
|
||||
" }\n";
|
||||
|
||||
fmain +=
|
||||
" }\n"
|
||||
" gl_FragColor.xyz += left * uFogColor.xyz;\n"
|
||||
" gl_FragDepth = 1.;\n"
|
||||
" gl_FragColor.xyz += left * uFogColor.xyz;\n";
|
||||
|
||||
if(use_reflect) fmain +=
|
||||
" if(depthtoset) gl_FragDepth = 1.;\n";
|
||||
else fmain +=
|
||||
" gl_FragDepth = 1.;\n";
|
||||
|
||||
fmain +=
|
||||
" }";
|
||||
|
||||
fsh += fmain;
|
||||
@ -575,6 +602,16 @@ EX void cast() {
|
||||
vector<transmatrix> ms;
|
||||
for(int j=0; j<S7; j++) ms.push_back(currentmap->relative_matrix(cwt.at->master, cwt.at->cmove(j)->master));
|
||||
|
||||
if(!sol && !nil && reflect_val) {
|
||||
for(int j=0; j<S7; j++) {
|
||||
transmatrix T = inverse(ms[j]);
|
||||
hyperpoint h = tC0(T);
|
||||
ld d = hdist0(h);
|
||||
transmatrix U = rspintox(h) * xpush(d/2) * MirrorX * xpush(-d/2) * spintox(h);
|
||||
ms.push_back(U);
|
||||
}
|
||||
}
|
||||
|
||||
vector<array<float, 4>> connections(length * rows);
|
||||
vector<array<float, 4>> wallcolor(length * rows);
|
||||
vector<array<float, 4>> texturemap(length * rows);
|
||||
@ -709,6 +746,14 @@ EX void configure() {
|
||||
);
|
||||
});
|
||||
|
||||
if(!nil) {
|
||||
dialog::addSelItem(XLAT("reflective walls"), fts(reflect_val), 'R');
|
||||
dialog::add_action([&] {
|
||||
dialog::editNumber(reflect_val, 0, 1, 0.1, 0, XLAT("reflective walls"), "");
|
||||
dialog::reaction = reset_raycaster;
|
||||
});
|
||||
}
|
||||
|
||||
if(nonisotropic) {
|
||||
dialog::addSelItem(XLAT("max step"), fts(maxstep_current()), 'x');
|
||||
dialog::add_action([] {
|
||||
@ -773,6 +818,10 @@ int readArgs() {
|
||||
rays_generate = true;
|
||||
max_cells = argi();
|
||||
}
|
||||
else if(argis("-ray-reflect")) {
|
||||
PHASEFROM(2);
|
||||
shift_arg_formula(reflect_val);
|
||||
}
|
||||
else if(argis("-ray-cells-no")) {
|
||||
PHASEFROM(2); shift();
|
||||
rays_generate = false;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user