Added basic line drawing to renderer

src/util/render.cpp

@@ -49,6 +49,24 @@ void Render::fill_rectangle_sz(Vector2<int> size, Color color) {
     );
 }
 
+void Render::draw_lines(std::vector<Vector2<float>> points, Color color) {
+    auto prev_cache = m_matrix * m_view_matrix * Vector3<float>(points[0], 1);
+    for(size_t i = 1; i < points.size(); i++) {
+        auto start = prev_cache;
+        auto end = m_matrix * m_view_matrix * Vector3<float>(points[i], 1);
+
+        m_pge->DrawLine(
+            start.x(),
+            start.y(),
+            end.x(),
+            end.y(),
+            olc::Pixel(color.r(), color.g(), color.b())
+        );
+
+        prev_cache = end;
+    }
+}
+
 void Render::set_camera_pos(Vector2<int> camera_pos) {
     m_camera_pos = camera_pos;
     m_view_matrix = translation_matrix(camera_pos);