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api8/shaders/manif.fs
2023-05-08 09:07:48 +02:00

22 lines
507 B
GLSL

#version 330
in vec4 mvpos;
in vec3 N;
out vec4 fragColor;
uniform vec4 scolor;
uniform vec4 lcolor;
uniform vec4 lumpos;
void main() {
vec4 ambient = 0.15f * lcolor * scolor;
vec3 Ld = normalize(mvpos.xyz - lumpos.xyz);
float ild = clamp(dot(normalize(N), -normalize(Ld)), 0, 1);
vec4 diffus = (ild * lcolor) * scolor;
vec3 R = reflect(Ld, N);
vec3 Vue = vec3(0, 0, -1);
float ils = pow(clamp(dot(R, -Vue), 0, 1), 10);
vec4 spec = ils * lcolor;
fragColor = ambient + diffus + spec;
}