From 73cbac0f66a8c236ba4f59d3265b2066f3869dc7 Mon Sep 17 00:00:00 2001
From: daniel <danwip@hotmail.com>
Date: Mon, 29 Dec 2025 14:36:19 +0100
Subject: [PATCH] made some adaptations and fixed some bugs

---
 src/EngineSharp.Core/EngineSharp.Core/ECS/Entity.cs           | 2 +-
 src/EngineSharp.Core/EngineSharp.Core/OpenGLEngine.cs         | 2 +-
 .../EngineSharp.Core/Rendering/MeshRenderer.cs                | 4 ++--
 src/EngineSharp/assets/shaders/sphere.frag                    | 4 ++--
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/EngineSharp.Core/EngineSharp.Core/ECS/Entity.cs b/src/EngineSharp.Core/EngineSharp.Core/ECS/Entity.cs
index 331a011..529487a 100644
--- a/src/EngineSharp.Core/EngineSharp.Core/ECS/Entity.cs
+++ b/src/EngineSharp.Core/EngineSharp.Core/ECS/Entity.cs
@@ -67,7 +67,7 @@ public class Entity
      internal void RenderComponents(GL gl, Matrix4X4<float> projectionMatrix, Matrix4X4<float> viewMatrix)
      {
           // TODO: retrieve the data component "Transform" which every Entity must have (although currently there is no transform component)
-          var modelMatrix = Matrix4X4.CreateTranslation(0, 0, -10f);
+          var modelMatrix = Matrix4X4<float>.Identity * Matrix4X4.CreateFromQuaternion(Quaternion<float>.Identity) * Matrix4X4.CreateScale(2.0f) * Matrix4X4.CreateTranslation(0, 0, 0f);
           
           foreach (var components in _renderComponents)
           {
diff --git a/src/EngineSharp.Core/EngineSharp.Core/OpenGLEngine.cs b/src/EngineSharp.Core/EngineSharp.Core/OpenGLEngine.cs
index 5fdea16..63ac0ac 100644
--- a/src/EngineSharp.Core/EngineSharp.Core/OpenGLEngine.cs
+++ b/src/EngineSharp.Core/EngineSharp.Core/OpenGLEngine.cs
@@ -96,7 +96,7 @@ internal class OpenGLEngine : Engine
         _gl.ClearColor(Color.Black);
         _gl.Enable(EnableCap.DepthTest);
         
-        _camera = new PerspectiveCamera(Vector3D<float>.Zero, _window.FramebufferSize);
+        _camera = new PerspectiveCamera(new Vector3D<float>(0.0f, 0.0f, 3.0f), _window.FramebufferSize);
 
         InitialiseShaders(Directory.GetFiles("./assets/shaders", "*.vert"));
         SetCurrentScene(_defaultSceneName);
diff --git a/src/EngineSharp.Core/EngineSharp.Core/Rendering/MeshRenderer.cs b/src/EngineSharp.Core/EngineSharp.Core/Rendering/MeshRenderer.cs
index 54f3ce1..ce830be 100644
--- a/src/EngineSharp.Core/EngineSharp.Core/Rendering/MeshRenderer.cs
+++ b/src/EngineSharp.Core/EngineSharp.Core/Rendering/MeshRenderer.cs
@@ -14,6 +14,7 @@ public class MeshRenderer : RenderComponent
     internal override void Render(GL gl, Matrix4X4<float> projectionMatrix, Matrix4X4<float> viewMatrix, Matrix4X4<float> modelMatrix)
     {
         GenerateRenderableMesh(gl, projectionMatrix, viewMatrix, modelMatrix);
+        Mesh.PrepareForRendering(projectionMatrix, viewMatrix, modelMatrix);
         gl.DrawElements(PrimitiveType.Triangles, (uint)Mesh.Indices.Length, DrawElementsType.UnsignedInt, 0);
     }
 
@@ -25,8 +26,7 @@ public class MeshRenderer : RenderComponent
         if(vbo == 0) { vbo = gl.GenBuffer(); }
         if(ebo == 0) { ebo = gl.GenBuffer(); }
 
-        Mesh.PrepareForRendering(projectionMatrix, viewMatrix, modelMatrix);
-        var meshData = new float[Mesh.Vertices.Length * 3 + Mesh.Indices.Length * 3];
+        var meshData = new float[Mesh.Vertices.Length * 3 + Mesh.Normals.Length * 3];
         for (int i = 0, insert = 0; i < Mesh.Vertices.Length; i++, insert += 6)
         {
             meshData[insert] = Mesh.Vertices[i].X;
diff --git a/src/EngineSharp/assets/shaders/sphere.frag b/src/EngineSharp/assets/shaders/sphere.frag
index 444e11b..d2e242d 100644
--- a/src/EngineSharp/assets/shaders/sphere.frag
+++ b/src/EngineSharp/assets/shaders/sphere.frag
@@ -1,6 +1,6 @@
 #version 330 core
 
-out vec4 FragColour;
+out vec4 FragColor;
 
 in vec3 FragPos;
 in vec3 Normal;
@@ -9,5 +9,5 @@ in vec3 Normal;
 void main()
 {
     vec3 col = vec3(1.0, 0.5, 0.2) * FragPos;
-    FragColour = vec4(col, 1);
+    FragColor = vec4(1);
 }
\ No newline at end of file