CreateArrow()

static Shape CreateArrow ( vector from, vector to, float size, int color, ShapeFlags flags )

static

См. определение в файле EnDebug.c строка 173

    {
        vector dir = to - from;
        dir.Normalize();
        vector dir1 = dir * size;
        size = size * 0.5;
    
        vector dir2 = dir.Perpend() * size;
    
        vector pts[5];
        pts[0] = from;
        pts[1] = to;
        pts[2] = to - dir1 - dir2;
        pts[3] = to - dir1 + dir2;
        pts[4] = to;
    
        return CreateLines(color, flags, pts, 5);
    }

Перекрестные ссылки CreateLines(), vector::Normalize(), vector::Perpend() и Shape.