X-Git-Url: https://git.lukelau.me/?p=opengl.git;a=blobdiff_plain;f=fragment.glsl;fp=fragment.glsl;h=cffd8a01a0abcd4d11f2a708a2820e10b440209b;hp=e41a7f929083f43ba0ee3653e1cf37946eb9daf2;hb=5a4d005b668b98d44ef20391ecddaf6bfc2ee70f;hpb=c5d984e4904ae7b286bf095a1c640cc25cebe9be

diff --git a/fragment.glsl b/fragment.glsl
index e41a7f9..cffd8a0 100644
--- a/fragment.glsl
+++ b/fragment.glsl
@@ -4,17 +4,20 @@ in vec3 normal;
 in vec3 fragPos;
 uniform vec3 lightPos;
 uniform vec3 viewPos;
+uniform vec4 lightColor; 
 out vec4 FragColor;
 
 void main() {
 	float ambient = 0.1;
 	float specularStrength = 0.5;
 	vec3 lightDir = normalize(fragPos - lightPos);
-	float diffuse = max(0, dot(normal, lightDir));
+	float diffuse = max(0, dot(-normal, lightDir));
 
 	vec3 viewDir = normalize(fragPos - viewPos);
 	vec3 reflectDir = reflect(-lightDir, normal);
 	float specular = pow(max(0, dot(viewDir, reflectDir)), 128);
 
-	FragColor = (ambient + diffuse + specular) * color;
+	vec4 lighting = (ambient + diffuse + specular) * lightColor;
+
+	FragColor = lighting * color;
 }