feat: assignment 2

src/model.cpp

@@ -0,0 +1,35 @@
+#include "model.h"
+#include "mesh.h"
+#include "state.h"
+#include "../lib/glm/gtc/matrix_transform.hpp"
+
+Model::Model(const std::shared_ptr<Mesh>& mesh)
+    : mesh_(mesh)
+{
+}
+
+void Model::draw()
+{
+	if (!mesh_)
+		return;
+
+	// Build model matrix: Translation * Rotation * Scale
+	glm::mat4 model = glm::mat4(1.0f);
+
+	// Translation
+	model = glm::translate(model, position_);
+
+	// Rotation (applying X, Y, Z rotations)
+	model = glm::rotate(model, rotation_.x, glm::vec3(1.0f, 0.0f, 0.0f));
+	model = glm::rotate(model, rotation_.y, glm::vec3(0.0f, 1.0f, 0.0f));
+	model = glm::rotate(model, rotation_.z, glm::vec3(0.0f, 0.0f, 1.0f));
+
+	// Scale
+	model = glm::scale(model, scale_);
+
+	// Set the model matrix in State
+	State::modelMatrix = model;
+
+	// Draw the mesh
+	mesh_->draw();
+}