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Use falloff start and stop opacity in NoLighting shader

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This commit is contained in:
Alexei Kotov 2023-02-11 23:19:26 +03:00
parent 5f1da29881
commit 0142caacf7
1 changed files with 6 additions and 2 deletions
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8
files/shaders/nv_nolighting_vertex.glsl
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@ -15,7 +15,6 @@ varying float linearDepth;
uniform bool useFalloff; uniform bool useFalloff;
uniform vec4 falloffParams; uniform vec4 falloffParams;
varying vec3 passViewPos;
varying float passFalloff; varying float passFalloff;
#include "vertexcolors.glsl" #include "vertexcolors.glsl"
@ -43,7 +42,12 @@ void main(void)
vec3 viewNormal = gl_NormalMatrix * normalize(gl_Normal.xyz); vec3 viewNormal = gl_NormalMatrix * normalize(gl_Normal.xyz);
vec3 viewDir = normalize(viewPos.xyz); vec3 viewDir = normalize(viewPos.xyz);
float viewAngle = abs(dot(viewNormal, viewDir)); float viewAngle = abs(dot(viewNormal, viewDir));
passFalloff = smoothstep(falloffParams.y, falloffParams.x, viewAngle); passFalloff = smoothstep(falloffParams.x, falloffParams.y, viewAngle);
float startOpacity = min(falloffParams.z, 1.0);
float stopOpacity = max(falloffParams.w, 0.0);
passFalloff = mix(startOpacity, stopOpacity, passFalloff);
} }
else else
{ {