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non-isotropic hyperbolic space

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Zeno Rogue
2019-10-01 05:03:46 +02:00
parent 255186840f
commit d6ab96f821
16 changed files with 403 additions and 223 deletions
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22
shaders.cpp
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@@ -54,7 +54,7 @@ glvertex pointtogl(const hyperpoint& t);
enum class shader_projection { standard, band, halfplane, standardH3, standardR3,
standardS30, standardS31, standardS32, standardS33,
ball, halfplane3, band3, flatten, standardSolv, standardNil,
standardEH2, standardSL2,
standardEH2, standardSL2, standardNIH,
MAX
};
@@ -689,6 +689,7 @@ void init() {
bool hp = among(sp, shader_projection::halfplane, shader_projection::halfplane3);
bool sh3 = (sp == shader_projection::standardH3);
bool ssol = (sp == shader_projection::standardSolv);
bool snih = (sp == shader_projection::standardNIH);
bool snil = (sp == shader_projection::standardNil);
bool ssl2 = (sp == shader_projection::standardSL2);
bool sr3 = (sp == shader_projection::standardR3);
@@ -699,13 +700,15 @@ void init() {
bool seh2 = (sp == shader_projection::standardEH2);
bool ss3 = ss30 || ss31 || ss32 || ss33;
bool s3 = (sh3 || sr3 || ss3 || ssol || snil || seh2 || ssl2);
bool s3 = (sh3 || sr3 || ss3 || ssol || snil || seh2 || ssl2 || snih);
bool dim3 = s3 || among(sp, shader_projection::ball, shader_projection::halfplane3, shader_projection::band3);
bool dim2 = !dim3;
bool ball = (sp == shader_projection::ball);
bool flatten = (sp == shader_projection::flatten);
if(ssol && !CAP_SOLV) continue;
bool sson = ssol || snih;
if(sson && !CAP_SOLV) continue;
programs[i][j] = new GLprogram(stringbuilder(
1, "#define PI 3.14159265358979324\n",
@@ -755,6 +758,7 @@ void init() {
#if CAP_SOLV
ssol, solv::solshader,
snih, nihv::nihshader,
#endif
snil, nilv::nilshader,
ssl2, slr::slshader,
@@ -792,10 +796,10 @@ void init() {
hp && dim3, "t.x /= -rads; t.y /= -rads; t.z /= -rads; t[3] = 1.0;",
s3, "vec4 t = uMV * aPosition;",
ssol, "t = inverse_exp(t);",
ssol, "float d = sqrt(t[0] * t[0] + t[1] * t[1] + t[2] * t[2]);",
ssol, "float ad = (d == 0.) ? 0. : (d < 1.) ? min(atanh(d), 10.) : 10.; ",
ssol, "float m = ad / d / 11.; t[0] *= m; t[1] *= m; t[2] *= m; ",
sson, "t = inverse_exp(t);",
sson, "float d = sqrt(t[0] * t[0] + t[1] * t[1] + t[2] * t[2]);",
sson, "float ad = (d == 0.) ? 0. : (d < 1.) ? min(atanh(d), 10.) : 10.; ",
sson, "float m = ad / d / 11.; t[0] *= m; t[1] *= m; t[2] *= m; ",
snil, "t = inverse_exp(t);",
ssl2, "t = inverse_exp(t);",
@@ -810,7 +814,7 @@ void init() {
sh3, "float fogs = (uFogBase - acosh(t[3]) / uFog);",
sr3||snil||ssl2, "float fogs = (uFogBase - sqrt(t[0]*t[0] + t[1]*t[1] + t[2]*t[2]) / uFog);",
ssol, "float fogs = (uFogBase - ad / uFog);",
sson, "float fogs = (uFogBase - ad / uFog);",
seh2, "float fogs = (uFogBase - sqrt(z*z+d*d) / uFog);",
@@ -821,7 +825,7 @@ void init() {
s3, "vColor.xyz = vColor.xyz * fogs + uFogColor.xyz * (1.0-fogs);",
sh3 || sr3 || ssol || ball || seh2,"t[3] = 1.0;",
sh3 || sr3 || sson || ball || seh2,"t[3] = 1.0;",
band || hp || s3 || ball,"gl_Position = uP * t;",
dim3 && !s3, "vColor.xyz = vColor.xyz * (0.5 - gl_Position.z / 2.0) + uFogColor.xyz * (0.5 + gl_Position.z / 2.0);",