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# version 330 core
struct Material {
sampler2D diffuse;
sampler2D specular;
float shininess;
};
struct Light {
vec3 position;
vec3 ambient;
vec3 diffuse;
vec3 specular;
};
in vec3 Normal;
in vec3 FragPos;
in vec2 TexCoords;
out vec4 FragColor;
uniform vec3 viewPos;
uniform Material material;
uniform Light light;
void main()
{
// ambient
vec3 ambient = light.ambient * texture(material.diffuse, TexCoords).rgb;
// diffuse
vec3 norm = normalize(Normal);
vec3 lightDir = normalize(light.position - FragPos);
float diff = max(dot(norm, lightDir), 0.0);
vec3 diffuse = light.diffuse * diff * texture(material.diffuse, TexCoords).rgb;
// specular
vec3 viewDir = normalize(viewPos - FragPos);
vec3 reflectDir = reflect(-lightDir, norm);
float spec = pow(max(dot(viewDir, reflectDir), 0.0), material.shininess);
vec3 specular = light.specular * spec * texture(material.specular, TexCoords).rgb;
FragColor = vec4((specular + ambient + diffuse), 1.0f);
}
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