fixing transformations

Author: Kbz-8

runtime/Sources/Core/Graphics.cpp

@@ -143,7 +143,7 @@ namespace mlx
 				m_pixelput_called = false;
 			}	
 			Sprite& new_sprite = p_scene->CreateSprite(texture);
-			new_sprite.SetCenter(Vec2f{ texture->GetWidth() / 2.0f, texture->GetHeight() / 2.0f });
+			new_sprite.SetCenter(Vec2f{ texture->GetWidth() * 0.5f, texture->GetHeight() * 0.5f });
 			new_sprite.SetPosition(Vec2f{ static_cast<float>(x), static_cast<float>(y) });
 			new_sprite.SetScale(Vec2f{ scale_x, scale_y });
 			new_sprite.SetRotation(angle);

runtime/Sources/Renderer/RenderPasses/2DPass.cpp

@@ -100,21 +100,29 @@ namespace mlx
 		for(auto& drawable : drawables)
 		{
 			// Check every textures and update modified ones to GPU before starting the render pass
-			drawable->Update(cmd);
 			if(!drawable->IsSetInit())
 				drawable->UpdateDescriptorSet(p_texture_set);
+			drawable->Update(cmd);
 		}
 
 		m_pipeline.BindPipeline(cmd, 0, {});
 		for(auto& drawable : drawables)
 		{
 			DrawableData drawable_data;
 			drawable_data.color = drawable->GetColor();
+
+			Mat4f rotation_matrix = Mat4f::Identity();
+			rotation_matrix.ApplyTranslation(Vec3f{ -drawable->GetCenter(), 0.0f });
+			rotation_matrix.ApplyRotation(drawable->GetRotation());
+			rotation_matrix.ApplyTranslation(Vec3f{ drawable->GetCenter(), 0.0f });
+
+			Mat4f translation_matrix = Mat4f::Identity().ApplyTranslation(Vec3f{ drawable->GetPosition(), 0.0f });
+			Mat4f scale_matrix = Mat4f::Identity().ApplyScale(Vec3f{ drawable->GetScale(), 1.0f });
+
 			drawable_data.model_matrix = Mat4f::Identity();
-			drawable_data.model_matrix.ApplyTranslation(Vec3f{ -drawable->GetCenter() / 2.0f, 0.0f });
-			drawable_data.model_matrix.ApplyRotation(drawable->GetRotation());
-			drawable_data.model_matrix.ApplyTranslation(Vec3f{ drawable->GetPosition() + drawable->GetCenter() / 2.0f, 0.0f });
-			drawable_data.model_matrix.ApplyScale(Vec3f{ drawable->GetScale(), 1.0f });
+			drawable_data.model_matrix.ConcatenateTransform(rotation_matrix);
+			drawable_data.model_matrix.ConcatenateTransform(scale_matrix);
+			drawable_data.model_matrix.ConcatenateTransform(translation_matrix);
 
 			drawable->Bind(frame_index, cmd);