add ambient lightning

2021-12-30 14:42:41 +01:00 · 2021-12-30 14:42:41 +01:00 · 94a77b45b4
commit 94a77b45b4
parent 17eefb3324
1 changed files with 2 additions and 1 deletions
--- a/grafika_projekt/shaders/shader_tex.frag
+++ b/grafika_projekt/shaders/shader_tex.frag
@ -11,6 +11,7 @@ void main()
 	vec2 modifiedTexCoord = vec2(interpTexCoord.x, 1.0 - interpTexCoord.y); // Poprawka dla tekstur Ziemi, ktore bez tego wyswietlaja sie 'do gory nogami'
 	vec3 color = texture2D(textureSampler, modifiedTexCoord).rgb;
 	vec3 normal = normalize(interpNormal);
+	float ambient = 0.2;
 	float diffuse = max(dot(normal, -lightDir), 0.0);
-	gl_FragColor = vec4(color * diffuse, 1.0);
+	gl_FragColor = vec4(color * (ambient + (1-ambient) * diffuse), 1.0);
 }