added vector fields

src/VectorField.hpp

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <vector>
+
+struct SDL_Rect;
+struct SDL_Renderer;
+
+class VectorField
+{
+public:
+	VectorField();
+	VectorField(int width, int height);
+	VectorField(int width, int height, const std::vector<double>& hori, const std::vector<double>& vert);
+
+	void Draw(SDL_Renderer* renderer, const SDL_Rect& targetRect);
+
+private:
+	int width, height;
+
+	std::vector<double> horizontal;
+	std::vector<double> vertical;
+
+	double biggestMagnitude = 0.0;
+};