【unity实用技能】Unity画一条带箭头的线

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    private void DrawArrow(Vector2 from, Vector2 to, Color color)
    {
        Handles.BeginGUI();
        Handles.color = color;
        Handles.DrawAAPolyLine(3, from, to);
        Vector2 v0 = from - to;
        v0 *= 10 / v0.magnitude;
        Vector2 v1 = new Vector2(v0.x * 0.866f - v0.y * 0.5f, v0.x * 0.5f + v0.y * 0.866f);
        Vector2 v2 = new Vector2(v0.x * 0.866f + v0.y * 0.5f, v0.x * -0.5f + v0.y * 0.866f); ;
        Handles.DrawAAPolyLine(3, to + v1, to, to + v2);
        Handles.EndGUI();
    }

【unity实用技能】Unity画一条带箭头的线

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原文地址：http://blog.51cto.com/13638120/2103459