Remove large resources. (#16)

resources/shaders/fragment/model-phong.frag

@@ -0,0 +1,85 @@
+#version 330 core
+// Input from Vertex shader
+in vec2 vTextureCoord;
+in vec3 vNormal;
+in vec3 vPosition;
+
+// Final fragment fColor
+out vec4 fColor;
+
+// Light object and camera position vectors
+uniform vec3 uCameraPosition;
+struct Light {
+    vec3 position;
+
+// Light colors RGB value
+    vec3 ambient;
+    vec3 diffuse;
+    vec3 specular;
+};
+uniform Light uLight;
+
+struct Material {
+// Strength ranges 0.0f - 1.0f
+    float ambientStrength;
+    float diffuseStrength;
+    float specularStrength;
+// 32, 64, 128, 256
+    float shine;
+
+// Material color values
+    vec3 ambient;
+    vec3 diffuse;
+    vec3 specular;
+};
+uniform Material uMaterial;
+
+struct Result {
+    vec3 ambient;
+    vec3 diffuse;
+    vec3 specular;
+    vec3 sum;
+};
+
+void SumResult(inout Result result)
+{
+    result.sum = result.ambient + result.diffuse + result.specular;
+}
+
+uniform sampler2D texture_diffuse1;
+uniform sampler2D texture_specular1;
+
+void main()
+{
+    Result result;
+
+    // Diffuse texture for ambient and diffuse lighting
+    vec3 diffuseTexture = vec3(texture(texture_diffuse1, vTextureCoord));
+
+    // Ambient lighting
+    vec3 ambientLighting = uLight.ambient * uMaterial.ambient;
+    result.ambient = ambientLighting * diffuseTexture;
+    result.ambient *= uMaterial.ambientStrength;
+
+    // Diffuse lighting
+    vec3 norm = normalize(vNormal);
+    vec3 lightDir = normalize(uLight.position - vPosition);
+    float diff = max(dot(norm, lightDir), 0.0f);
+    vec3 diffuseLighting = uLight.diffuse * diff * uMaterial.diffuse;
+    result.diffuse = diffuseLighting * diffuseTexture;
+    result.diffuse *= uMaterial.diffuseStrength;
+
+    // Specular lighting
+    vec3 specularTexture = vec3(texture(texture_specular1, vTextureCoord));
+
+    vec3 viewDir = normalize(uCameraPosition - vPosition);
+    vec3 reflectDir = reflect(-lightDir, norm);
+    float angleAlpha = max(dot(viewDir, reflectDir), 0.0f);
+    float spec = pow(angleAlpha, uMaterial.shine);
+    vec3 specLighting = uLight.specular * spec;
+    result.specular = specLighting * specularTexture;
+    result.specular *= uMaterial.specularStrength;
+
+    SumResult(result);
+    fColor = vec4(result.sum, 1.0f);
+}