mirrors/hyperrogue
1
0
Fork 0
mirror of https://github.com/zenorogue/hyperrogue.git synced 2024-11-17 10:44:48 +00:00
Code Issues Releases Wiki Activity

ray::vr:: Nil in equidistant

Browse Source
This commit is contained in:
Zeno Rogue 2021-02-01 22:51:24 +01:00
parent f9c8a458aa
commit f64ada6572
1 changed files with 18 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
raycaster.cpp
View File

@ -845,7 +845,7 @@ void enable_raycaster() {
"nposition = s_translate(position) * nposition;\n";
}
if(nil && !use_christoffel) {
if(nil && !use_christoffel && !eyes) {
fmain +=
"mediump vec4 xp, xt;\n"
"mediump vec4 back = itranslatev(position, tangent);\n"
@ -880,9 +880,6 @@ void enable_raycaster() {
"mediump vec4 nposition = translate(position, xp);\n";
}
if(nil) fmain +=
"mediump float rz = (abs(nposition.x) > abs(nposition.y) ? -nposition.x*nposition.y : 0.) + nposition.z;\n";
if(asonov) {
fsh += "uniform mediump mat4 uStraighten;\n";
fmain += "mediump vec4 sp = uStraighten * nposition;\n";
@ -896,8 +893,15 @@ void enable_raycaster() {
" mediump vec4 v = at0 * t;\n";
fmain +=
" v[3] = 1.;\n"
" mediump vec4 azeq = uEyeShift * v;\n";
if(prod) {
" mediump vec4 azeq = uEyeShift * v;\n";
if(nil) fmain +=
" mediump float alpha = atan2(azeq.y, azeq.x);\n"
" mediump float w = azeq.z;\n"
" mediump float c = length(azeq.xy) / azeq.z;\n"
" mediump vec4 xp = vec4(2.*c*sin(w/2.) * cos(w/2.+alpha), 2.*c*sin(w/2.)*sin(w/2.+alpha), w*(1.+(c*c/2.)*((1.-sin(w)/w)+(1.-cos(w))/w * sin(w+2.*alpha))), 1.);\n"
" mediump vec4 orig_position = vw * vec4(0., 0., 0., 1.);\n"
" mediump vec4 nposition = translate(orig_position, xp);\n";
else if(prod) {
fmain +=
" mediump float alen_xy = length(azeq.xy);\n";
fmain += " mediump float nzpos = zpos + azeq.z;\n";
@ -975,6 +979,9 @@ void enable_raycaster() {
}
}
if(nil) fmain +=
"mediump float rz = (abs(nposition.x) > abs(nposition.y) ? -nposition.x*nposition.y : 0.) + nposition.z;\n";
fmain +=
"if(next >= minstep) {\n";
@ -1049,7 +1056,7 @@ void enable_raycaster() {
if(use_christoffel) fmain +=
"tangent = tangent + (acc1+2.*acc2+2.*acc3+acc4)/(6.*dist);\n";
else if(nil) fmain +=
else if(nil && !eyes) fmain +=
"tangent = translatev(position, xt);\n";
else if(!eyes)
fmain +=
@ -1435,7 +1442,10 @@ EX void cast() {
#if CAP_VR
if(o->uEyeShift != -1) {
glUniformMatrix4fv(o->uEyeShift, 1, 0, glhr::tmtogl_transpose3(vrhr::eyeshift).as_array());
transmatrix T = vrhr::eyeshift;
if(nonisotropic)
T = inverse(NLP) * T;
glUniformMatrix4fv(o->uEyeShift, 1, 0, glhr::tmtogl_transpose3(T).as_array());
glUniform1f(o->uAbsUnit, vrhr::absolute_unit_in_meters);
}
if(vrhr::rendering_eye()) {