43 lines
929 B
GLSL
43 lines
929 B
GLSL
#version 330 core
|
|
struct Material {
|
|
vec3 ambient;
|
|
vec3 diffuse;
|
|
vec3 specular;
|
|
float shininess;
|
|
};
|
|
|
|
out vec4 FragColor;
|
|
|
|
in vec3 FragPos;
|
|
in vec3 Normal;
|
|
|
|
uniform vec3 ourColor;
|
|
uniform vec3 lightColor;
|
|
uniform vec3 lightPos;
|
|
uniform vec3 viewPos;
|
|
uniform Material material;
|
|
|
|
void main()
|
|
{
|
|
//misc
|
|
vec3 norm = normalize(Normal);
|
|
vec3 lightDir = normalize(lightPos - FragPos);
|
|
|
|
// ambient
|
|
vec3 ambient = vec3(0.2) * (lightColor * material.ambient);
|
|
|
|
// diffuse
|
|
float diff = max(dot(norm, lightDir), 0.0);
|
|
vec3 diffuse = lightColor * (diff * material.diffuse);
|
|
|
|
// specular
|
|
vec3 viewDir = normalize(viewPos - FragPos);
|
|
vec3 reflectDir = reflect(-lightDir, norm);
|
|
float spec = pow(max(dot(viewDir, reflectDir), 0.0), material.shininess);
|
|
vec3 specular = vec3(0.5) * (lightColor * (spec * material.specular));
|
|
|
|
//out
|
|
vec3 result = ambient + diffuse + specular;
|
|
FragColor = vec4(result, 1.0);
|
|
}
|