Toon Shader for Godot v 1.1

///// ----------- Fragment
uniform texture diffuse;
uniform texture normal;

vec4 cor = tex(diffuse,UV);
vec3 norm = 2.0 * tex(normal,UV).rgb;// - vec3(0.5,0.5,0.5);

DIFFUSE = cor.rgb;
NORMAL = NORMAL*norm;

///// ------------ Light
float NdotL = max(0.0,dot( NORMAL, LIGHT_DIR ));

// toon
if (NdotL<0.2)
{
	NdotL = 0.2;
} else {
	if (NdotL<0.4)
	{
		NdotL = 0.4;
	} else {
		if (NdotL<0.65)
		{
			NdotL = 0.65;
		} else
		{
			NdotL = 1.0;
		}
	}
}

LIGHT = LIGHT_DIFFUSE * DIFFUSE * NdotL;
if (NdotL > 0.0) {
	vec3 half_vec = normalize(LIGHT_DIR + EYE_VEC);
	float eye_light = max(dot(NORMAL, half_vec),0.0);
    LIGHT += LIGHT_SPECULAR * SPECULAR * pow( eye_light, SPECULAR_EXP );
}