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C# JVector.Length方法代码示例

本文整理汇总了C#中Jitter2D.LinearMath.JVector.Length方法的典型用法代码示例。如果您正苦于以下问题:C# JVector.Length方法的具体用法?C# JVector.Length怎么用?C# JVector.Length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Jitter2D.LinearMath.JVector的用法示例。


在下文中一共展示了JVector.Length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: Detect


//.........这里部分代码省略.........

            if (JVector.Dot(ref v1, ref normal) <= 0.0f) return false;

            // v2 = support perpendicular to v1,v0
            normal = OutsidePortal(v1, v0);

            JVector.Negate(ref normal, out mn);
            SupportMapTransformed(support1, ref orientation1, ref position1, ref mn, out v21);
            SupportMapTransformed(support2, ref orientation2, ref position2, ref normal, out v22);
            JVector.Subtract(ref v22, ref v21, out v2);

            //LD.Draw(Conversion.ToXNAVector2(v1), Conversion.ToXNAVector2(v0), Color.Blue);
            //LD.Draw(Conversion.ToXNAVector2(v2), Conversion.ToXNAVector2(v0), Color.Blue);

            if (JVector.Dot(ref v2, ref normal) <= 0.0f) return false;

            // phase two: portal refinement
            int maxIterations = 0;

            while (true)
            {
                // find normal direction
                if (!IntersectPortal(v0, v2, v1))
                    normal = InsidePortal(v2, v1);
                else
                    // origin ray crosses the portal
                    normal = OutsidePortal(v2, v1);

                // obtain the next support point
                JVector.Negate(ref normal, out mn);
                SupportMapTransformed(support1, ref orientation1, ref position1, ref mn, out v31);
                SupportMapTransformed(support2, ref orientation2, ref position2, ref normal, out v32);
                JVector.Subtract(ref v32, ref v31, out v3);

                //LD.Draw(Conversion.ToXNAVector2(v3), Conversion.ToXNAVector2(v0), Color.Green);

                if (JVector.Dot(v3, normal) <= 0)
                {
                    JVector ab = v3 - v2;
                    float t = -(JVector.Dot(v2, ab)) / (JVector.Dot(ab, ab));
                    normal = (v2 + (t * ab));
                    return false;
                }

                // Portal lies on the outside edge of the Minkowski Hull.
                // Return contact information
                if (JVector.Dot((v3 - v2), normal) <= CollideEpsilon || ++maxIterations > MaximumIterations)
                {
                    JVector ab = v2 - v1;
                    float t = JVector.Dot(JVector.Negate(v1), ab);
                    if (t <= 0.0f)
                    {
                        t = 0.0f;
                        normal = v1;
                    }
                    else
                    {
                        float denom = JVector.Dot(ab, ab);
                        if (t >= denom)
                        {
                            normal = v2;
                            t = 1.0f;
                        }
                        else
                        {
                            t /= denom;
                            normal = v1 + t * ab;
                        }
                    }

                    float s = 1 - t;

                    point = s * v11 + t * v21;
                    var point2 = s * v12 + t * v22;

                    // this  causes a sq root = bad!
                    penetration = normal.Length();
                    normal.Normalize();
                    return true;
                }

                // if origin is inside (v1, v0, v3), refine portal
                if (OriginInTriangle(v0, v1, v3))
                {
                    v2 = v3;
                    v21 = v31;
                    v22 = v32;
                    continue;
                }
                // if origin is inside (v3, v0, v2), refine portal
                else if (OriginInTriangle(v0, v2, v3))
                {
                    v1 = v3;
                    v11 = v31;
                    v12 = v32;
                    continue;
                }
                return false;
            }
        }
开发者ID:ajmd17,项目名称:apexengine-sharp,代码行数:101,代码来源:XenoCollide.cs


注:本文中的Jitter2D.LinearMath.JVector.Length方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。