Add a basic entity class

src/Entity.cpp

@@ -0,0 +1,26 @@
+#include "Entity.h"
+
+#include <glm/gtc/matrix_transform.hpp>
+#include <glm/ext/matrix_transform.hpp>
+
+Entity::Entity(Model *model, ShaderProgram *shaderProgram)
+    : model(model), shaderProgram(shaderProgram) {
+    
+        // Empty...
+
+}
+
+void Entity::draw(glm::mat4 viewProjMatrix) {
+    glm::mat4 modelViewProj = viewProjMatrix * modelMatrix;
+    shaderProgram->setUniform("u_modelViewProj", modelViewProj);
+    model->draw(shaderProgram);
+}
+
+void Entity::translate(glm::vec3 vector) {
+    position += vector;
+    modelMatrix = glm::translate(modelMatrix, vector);
+}
+
+void Entity::rotate(glm::vec3 axis, float radians) {
+    modelMatrix = glm::rotate(modelMatrix, radians, axis);
+}