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C# Geometry.GetAxes方法代码示例

本文整理汇总了C#中Geometry.GetAxes方法的典型用法代码示例。如果您正苦于以下问题:C# Geometry.GetAxes方法的具体用法?C# Geometry.GetAxes怎么用?C# Geometry.GetAxes使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Geometry的用法示例。


在下文中一共展示了Geometry.GetAxes方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: FindIntersection

        public SatResult? FindIntersection(Geometry a, Geometry b)
        {
            var aAxes = a.GetAxes(b);
            var bAxes = b.GetAxes(a);
            var totalAxes = aAxes.Length + bAxes.Length;

            Vector2 normal = Vector2.Zero;
            Vector2 deepestPoint = Vector2.Zero;
            float smallestOverlap = float.MaxValue;

            for (int i = 0; i < totalAxes; i++)
            {
                Vector2 axis;
                if (i < aAxes.Length)
                    axis = aAxes[i];
                else
                    axis = bAxes[i - aAxes.Length];

                Vector2.Normalize(ref axis, out axis);

                var aProjection = a.Project(axis);
                var bProjection = b.Project(axis);

                float overlap;
                int order;
                if (!aProjection.Overlaps(bProjection, out overlap, out order))
                    return null;

                if (overlap < smallestOverlap)
                {
                    smallestOverlap = overlap;
                    normal = axis;

                    if (order < 0)
                        normal = -normal;

                    if (i < aAxes.Length)
                    {
                        if (order > 0) // if a is before b
                            deepestPoint = bProjection.StartPoint;
                        else
                            deepestPoint = bProjection.EndPoint;
                    }
                    else
                    {
                        if (order > 0)
                            deepestPoint = aProjection.EndPoint;
                        else
                            deepestPoint = aProjection.StartPoint;
                    }
                }
            }

            var axisMagnitude = normal.Length();
            normal /= axisMagnitude;
            smallestOverlap /= axisMagnitude;

            return new SatResult() { A = a, B = b, NormalAxis = normal, Penetration = smallestOverlap, DeepestPoint = deepestPoint };
        }
开发者ID:Quantumplation,项目名称:Myre,代码行数:59,代码来源:SatTester.cs


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