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- fix vanilla light mode angle calculation

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This commit is contained in:
Magnus Norddahl 2018-12-15 10:02:57 +01:00
parent 1187906a61
commit f1fe9a0286
1 changed files with 3 additions and 3 deletions
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6
wadsrc/static/shaders/glsl/main.fp
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@ -126,9 +126,9 @@ float R_WallColormap(float lightnum, float z)
{
// R_ScaleFromGlobalAngle calculation
float projection = 160.0; // projection depends on SCREENBLOCKS!! 160 is the fullscreen value
vec3 line_v1 = pixelpos.xyz; // in vanilla this is the first curline vertex
vec3 line_normal = vWorldNormal.xyz;
float texscale = projection * clamp(dot(normalize(uCameraPos.xyz - line_v1), line_normal), 0.0, 1.0) / z;
vec2 line_v1 = pixelpos.xz; // in vanilla this is the first curline vertex
vec2 line_normal = vWorldNormal.xz;
float texscale = projection * clamp(dot(normalize(uCameraPos.xz - line_v1), line_normal), 0.0, 1.0) / z;
float lightz = clamp(16.0 * texscale, 0.0, 47.0);