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fixed the raycaster in Nil

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Zeno Rogue 2020-05-31 03:31:05 +02:00
parent 38418bd73a
commit dfa01c8fe5
1 changed files with 4 additions and 1 deletions
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5
raycaster.cpp
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@ -559,12 +559,15 @@ void enable_raycaster() {
"mediump vec4 christoffel(mediump vec4 pos, mediump vec4 vel, mediump vec4 tra) {\n"
" return vec4(-vel.z*tra.x - vel.x*tra.z, vel.z*tra.y + vel.y * tra.z, vel.x*tra.x * exp(2.*pos.z) - vel.y * tra.y * exp(-2.*pos.z), 0.);\n"
" }\n";
else if(nil && false) fsh +=
else if(nil) {
fsh +=
"mediump vec4 christoffel(mediump vec4 pos, mediump vec4 vel, mediump vec4 tra) {\n"
" mediump float x = pos.x;\n"
" return vec4(x*vel.y*tra.y - 0.5*dot(vel.yz,tra.zy), -.5*x*dot(vel.yx,tra.xy) + .5 * dot(vel.zx,tra.xz), -.5*(x*x-1.)*dot(vel.yx,tra.xy)+.5*x*dot(vel.zx,tra.xz), 0.);\n"
// " return vec4(0.,0.,0.,0.);\n"
" }\n";
use_christoffel = false;
}
else if(sl2) {
fsh += "mediump mat4 s_translate(vec4 h) {\n"
"return mat4(h.w,h.z,h.y,h.x,-h.z,h.w,-h.x,h.y,h.y,-h.x,h.w,-h.z,h.x,h.y,h.z,h.w);\n"