Renderer.cpp

void DrawLine(Vector3 start, Vector3 dest)
{
  
  
}

void UpdateFrame(void)
{
  Vector3 Pt1, Pt2;
  Pt1.SetPoint(10, 10);
  Pt2.SetPoint(80, 20);
  SetColor(255, 0, 0);
  DrawLine(Pt1, Pt2);
}

Vector.h

struct Vector3
{
public:
	float X;
	float Y;
	float Z;

	void SetPoint(float InX, float InY)
	{
		X = InX;
		Y = InY;
		Z = 1.0f;
	}

	void SetVector(float InX, float InY)
	{
		X = InX;
		Y = InY;
		Z = 0.0f;
	}
};