GRK/cw 7/shaders/shader_4_1.frag

22 lines
536 B
GLSL
Raw Normal View History

2022-01-12 16:07:16 +01:00
#version 410 core
uniform vec3 objectColor;
//uniform vec3 lightDir;
uniform vec3 lightPos;
uniform vec3 cameraPos;
in vec3 interpNormal;
in vec3 fragPos;
void main()
{
vec3 lightDir = normalize(lightPos-fragPos);
vec3 V = normalize(cameraPos-fragPos);
vec3 normal = normalize(interpNormal);
vec3 R = reflect(-normalize(lightDir),normal);
float specular = pow(max(0,dot(R,V)),10);
float diffuse = max(0,dot(normal,normalize(lightDir)));
gl_FragColor = vec4(mix(objectColor,objectColor*diffuse+vec3(1)*specular,0.9), 1.0);
}