init

shaders/shader.frag

@@ -0,0 +1,50 @@
+#version 330 core
+out vec4 FragColor;
+
+
+uniform vec3 lightColor;
+uniform vec3 objectColor;
+uniform vec3 viewPos;
+
+in vec3 FragPos;
+in vec3 Normal;
+in vec3 LightPos;
+
+const float ambientStrength = 0.2;
+const float shininess = 32.0;
+const float screenGamma = 2.2; // Assume the monitor is calibrated to the sRGB color space
+
+void main()
+{
+    // FragColor = vec4(1.0f, 0.0f, 0.0f, 1.0f);
+
+    vec3 lightDir = LightPos - FragPos;
+    float distance = length(lightDir);
+    vec3 norm = normalize(Normal);
+    vec3 ambient = ambientStrength * lightColor;
+
+    distance = distance * distance;
+    lightDir = normalize(lightDir);
+
+    float lambertian = max(dot(norm, lightDir), 0.0);
+    vec3 diffuse = lambertian * lightColor;
+    float specular = 0.0;
+
+    if (lambertian > 0.0)
+    {
+        vec3 viewDir = normalize(-FragPos);
+
+        vec3 halfDir = normalize(lightDir + viewDir);
+        float specAngle = max(dot(halfDir, norm), 0.0);
+        specular = pow(specAngle, shininess);
+    }
+
+    vec3 colorLinear = (ambient + diffuse + specular) * objectColor;
+
+    // vec3 colorGammaCorrected = pow(colorLinear, vec3(1.0 / screenGamma));
+
+    FragColor = vec4(colorLinear, 1.0);
+
+    // vec3 norm = normalize(Normal);
+}
+

shaders/shader.vert

@@ -0,0 +1,22 @@
+#version 330 core
+layout (location = 0) in vec3 aPos;
+layout (location = 1) in vec3 aNormal;
+//layout (location = 1) in vec3 aColor;
+
+uniform mat4 model;
+uniform mat4 view;
+uniform mat4 projection;
+uniform vec3 lightPos;
+
+out vec3 FragPos;
+out vec3 Normal;
+out vec3 LightPos;
+
+void main()
+{
+    gl_Position = projection * view * model * vec4(aPos, 1.0);
+    FragPos = vec3(view * model * vec4(aPos, 1.0));
+    Normal = mat3(transpose(inverse(view * model))) * aNormal;
+    LightPos = vec3(view * vec4(lightPos, 1.0));
+}
+