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Code Issues Releases Wiki Activity

nilv:: the Nil model is now changeable

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Zeno Rogue
2023-01-30 00:02:13 +01:00
parent 80c0b4bb0c
commit 395cbf3668
5 changed files with 110 additions and 37 deletions
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9
raycaster.cpp
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@@ -536,8 +536,13 @@ void raygen::move_forward() {
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"
" const float mu = " + to_glsl((1-nilv::model_used)/2) + ";\n"
" pos[2] += pos[0] * pos[1] * mu;\n"
" vel[2] += (pos[0] * vel[1] + pos[1] * vel[0]) * mu;\n"
" tra[2] += (pos[0] * tra[1] + pos[1] * tra[0]) * mu;\n"
" vec4 res = 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"
" res[2] -= (pos[0] * res[1] + vel[0] * vel[1] + pos[2] * res[0]) * mu;\n"
" return res;\n"
" }\n";
use_christoffel = false;
}