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ray:: fixed raycaster for twist/nil to take nilwidth into account

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Zeno Rogue 2024-06-18 11:22:48 +02:00
parent 1d9760e41c
commit a31fe5e2c1
1 changed files with 1 additions and 1 deletions
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2
raycaster.cpp
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@ -1421,7 +1421,7 @@ void raygen::emit_iterate(int gid1) {
"mediump float vx = asinh(dx / cosh(2.*vy)) / 2.;\n" :
"mediump float vy = -asin(dy)/2.;\n"
"mediump float vx = asin(dx / cos(2.*vy)) / 2.;\n";
string calc_vz = nil ? "mediump float vz = h.z - h.x * h.y / 2.;\n" : "float vz = atan2(h1[2], h1[3]);\n";
string calc_vz = nil ? "mediump float vz = h.z - h.x * h.y / 2.; vz *= " + to_glsl(pow(nilv::nilwidth, -2)) + ";\n" : "float vz = atan2(h1[2], h1[3]);\n";
string calc_h1 = nil ? "" : sl2 ?
"vec4 h1 = lorentz(1, 3, -vy) * lorentz(0, 2, -vy) * lorentz(0, 3, -vx) * lorentz(2, 1, vx) * h;\n" :
"vec4 h1 = cspin(0, 3, vy) * cspin(1, 2, -vy) * cspin(1, 3, -vx) * cspin(0, 2, -vx) * h;\n";