dust3d/thirdparty/FastMassSpring/ClothApp/shaders/phong.fshader

22 lines
448 B
GLSL
Executable File

#version 430
in vec3 vNormal;
out vec4 fragColor;
uniform vec3 uAlbedo;
uniform vec3 uAmbient;
uniform vec3 uLight;
void main(){
vec3 normal = normalize(vNormal);
vec3 albedo = uAlbedo;
if(!gl_FrontFacing) {
normal = -normal;
albedo = 1.0 - albedo;
}
vec3 toLight = normalize(-uLight);
float diffuse = max(0, dot(toLight, normal));
vec3 color = diffuse * albedo + uAmbient * albedo;
fragColor = vec4(color, 1.0);
}