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FIX:The mirrored patch normal vector needs to be reversed

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Change-Id: I3a67322eb59355ed91d1af390eb34f7f3d378198
(cherry picked from commit 3187f2b7944ddd2b9b6dc621da07dac6d4b3b31f)
This commit is contained in:
zhou.xu 2023-04-24 17:01:00 +08:00 • committed by Lane.Wei
parent aa82c67e5f
commit def87a59c0
2 changed files with 13 additions and 16 deletions
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27
resources/shaders/mm_gouraud.fs
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@ -44,27 +44,24 @@ void main()
float alpha = uniform_color.a;
vec3 triangle_normal = normalize(cross(dFdx(model_pos.xyz), dFdy(model_pos.xyz)));
#ifdef FLIP_TRIANGLE_NORMALS
triangle_normal = -triangle_normal;
#endif
if (volume_mirrored)
{
triangle_normal = -triangle_normal;
}
vec3 transformed_normal = normalize(slope.volume_world_normal_matrix * triangle_normal);
if (slope.actived) {
if(world_pos.z<0.1&&world_pos.z>-0.1)
if(world_pos.z<0.1&&world_pos.z>-0.1)
{
color = LightBlue;
alpha = 1.0;
color = LightBlue;
alpha = 1.0;
}
else if( transformed_normal.z < slope.normal_z - EPSILON)
{
color = color * 0.5 + LightRed * 0.5;
alpha = 1.0;
}
{
color = color * 0.5 + LightRed * 0.5;
alpha = 1.0;
}
}
if (volume_mirrored)
triangle_normal = -triangle_normal;
// First transform the normal into camera space and normalize the result.
vec3 eye_normal = normalize(gl_NormalMatrix * triangle_normal);