Starting on Entity System, and fixed aspect stuff

Engine/engine.cpp

@@ -58,8 +58,27 @@ GLFWwindow* Engine::GetWindow() {
 }
 
 void Engine::ResizeFramebuffer(int width, int height) {
-    fbWidth = width;
+    // Avoid division by zero.
-    fbHeight = height;
+    if (height <= 0)
+        height = 1;
+
+    // Define the desired target aspect ratio (e.g., 16:9).
+    const float targetAspect = 16.0f / 9.0f;
+    float currentAspect = static_cast<float>(width) / static_cast<float>(height);
+    
+    // Adjust dimensions to maintain the target aspect ratio.
+    int newWidth = width;
+    int newHeight = height;
+    if (currentAspect > targetAspect) {
+        // The viewport is too wide: adjust width.
+        newWidth = static_cast<int>(height * targetAspect);
+    } else if (currentAspect < targetAspect) {
+        // The viewport is too tall: adjust height.
+        newHeight = static_cast<int>(width / targetAspect);
+    }
+    
+    fbWidth = newWidth;
+    fbHeight = newHeight;
     
     glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
 
@@ -92,6 +111,7 @@ void Engine::ResizeFramebuffer(int width, int height) {
     glBindFramebuffer(GL_FRAMEBUFFER, 0);
 }
 
+
 GLuint Engine::CompileShader(const char* vertexSrc, const char* fragmentSrc) {
     GLuint vertexShader = glCreateShader(GL_VERTEX_SHADER);
     glShaderSource(vertexShader, 1, &vertexSrc, nullptr);
@@ -229,8 +249,8 @@ bool Engine::SetupScene() {
 
         void main() {
             // Ambient.
-            float ambientStrength = 0.2;
+            float ambientStrength = 0.3;
-            vec3 ambient = ambientStrength * vec3(1.0, 0.0, 0.0);
+            vec3 ambient = ambientStrength * vec3(1.0, 0.0, 1.0);
 
             // Diffuse.
             vec3 norm = normalize(Normal);
@@ -270,7 +290,7 @@ ImTextureID Engine::RenderScene(const glm::mat4 &view, const glm::mat4 &projecti
     glUniform3f(glGetUniformLocation(shaderProgram, "viewPos"), viewPos.x, viewPos.y, viewPos.z);
 
     rotationAngle += 0.01f;
-    glm::mat4 model = glm::rotate(glm::mat4(1.0f), rotationAngle, glm::vec3(1,1,1));
+    glm::mat4 model = glm::rotate(glm::mat4(1.0f), rotationAngle, glm::vec3(1,1,0));
     glUniformMatrix4fv(glGetUniformLocation(shaderProgram, "model"), 1, GL_FALSE, glm::value_ptr(model));
 
     glUniform3f(glGetUniformLocation(shaderProgram, "lightPos"), 0.0f, 20.0f, 0.0f);

imgui.ini

@@ -15,9 +15,10 @@ Collapsed=0
 DockId=0x00000001,0
 
 [Window][Rendered Output]
-Pos=337,0
+Pos=336,0
-Size=943,800
+Size=944,800
 Collapsed=0
+DockId=0x00000002,0
 
 [Window][Editor]
 Pos=176,231
@@ -27,5 +28,5 @@ Collapsed=0
 [Docking][Data]
 DockSpace   ID=0x08BD597D Window=0x1BBC0F80 Pos=0,0 Size=1280,800 Split=X Selected=0x5098C5B2
   DockNode  ID=0x00000001 Parent=0x08BD597D SizeRef=334,800 Selected=0x5098C5B2
-  DockNode  ID=0x00000002 Parent=0x08BD597D SizeRef=944,800 CentralNode=1
+  DockNode  ID=0x00000002 Parent=0x08BD597D SizeRef=944,800 CentralNode=1 Selected=0xB6999AB4