render to framebufer

1 files changed, 9 insertions, 2 deletions

diff --git a/shaders/frag.glsl b/shaders/frag.glsl
index a92699c..a70915a 100644
--- a/shaders/frag.glsl
+++ b/shaders/frag.glsl
@@ -8,6 +8,7 @@ out vec4 FragColor;
 uniform vec3 objectColor;

 uniform vec3 lightColor;

 uniform vec3 lightPos;

+uniform vec3 viewPos;

 

 void main()

 {

@@ -20,6 +21,12 @@ void main()
   float ambientStrength = 0.1;

   vec3 ambient = ambientStrength * lightColor;

 

-  vec3 result = (ambient + diffuse) * objectColor;

+  float specularStrength = 0.5;

+  vec3 viewDir = normalize(viewPos - FragPos);

+  vec3 reflectDir = reflect(-lightDir, norm);

+  float spec = pow(max(dot(viewDir, reflectDir), 0.0), 32);

+  vec3 specular = specularStrength * spec * lightColor;

+

+  vec3 result = (ambient + diffuse + specular) * objectColor;

   FragColor = vec4(result, 1.0f);

-}
\ No newline at end of file
+}