X-Git-Url: https://git.lukelau.me/?p=opengl.git;a=blobdiff_plain;f=gradientfrag.glsl;fp=gradientfrag.glsl;h=cffd8a01a0abcd4d11f2a708a2820e10b440209b;hp=0000000000000000000000000000000000000000;hb=b64cd5a5ec09e6f051583371045ef7080c69b776;hpb=da829a43b9ab76ce8830bd83760e59f016787727

diff --git a/gradientfrag.glsl b/gradientfrag.glsl
new file mode 100644
index 0000000..cffd8a0
--- /dev/null
+++ b/gradientfrag.glsl
@@ -0,0 +1,23 @@
+#version 330
+in vec4 color;
+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));
+
+	vec3 viewDir = normalize(fragPos - viewPos);
+	vec3 reflectDir = reflect(-lightDir, normal);
+	float specular = pow(max(0, dot(viewDir, reflectDir)), 128);
+
+	vec4 lighting = (ambient + diffuse + specular) * lightColor;
+
+	FragColor = lighting * color;
+}