当前位置: 首页>>代码示例>>C++>>正文


C++ vec3::DistanceSqr方法代码示例

本文整理汇总了C++中vec3::DistanceSqr方法的典型用法代码示例。如果您正苦于以下问题:C++ vec3::DistanceSqr方法的具体用法?C++ vec3::DistanceSqr怎么用?C++ vec3::DistanceSqr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vec3的用法示例。


在下文中一共展示了vec3::DistanceSqr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: DistanceToAABBSqr

float DistanceToAABBSqr(const vec3& p, const AABB& aabb)
{
	if (p.x < aabb.m_mins.x)
	{
		if (p.y < aabb.m_mins.y)
		{
			if (p.z < aabb.m_mins.z)
				return p.DistanceSqr(aabb.m_mins);
			else if (p.z > aabb.m_maxs.z)
				return p.DistanceSqr(vec3(aabb.m_mins.x, aabb.m_mins.y, aabb.m_maxs.z));
			else
				return DistanceToLineSqr(p, aabb.m_mins, vec3(aabb.m_mins.x, aabb.m_mins.y, aabb.m_maxs.z));
		}
		else if (p.y > aabb.m_maxs.y)
		{
			if (p.z < aabb.m_mins.z)
				return p.DistanceSqr(vec3(aabb.m_mins.x, aabb.m_maxs.y, aabb.m_mins.z));
			else if (p.z > aabb.m_maxs.z)
				return p.DistanceSqr(vec3(aabb.m_mins.x, aabb.m_maxs.y, aabb.m_maxs.z));
			else
				return DistanceToLineSqr(p, vec3(aabb.m_mins.x, aabb.m_maxs.y, aabb.m_mins.z), vec3(aabb.m_mins.x, aabb.m_maxs.y, aabb.m_maxs.z));
		}
		else
		{
			if (p.z < aabb.m_mins.z)
				return DistanceToLineSqr(p, aabb.m_mins, vec3(aabb.m_mins.x, aabb.m_maxs.y, aabb.m_mins.z));
			else if (p.z > aabb.m_maxs.z)
				return DistanceToLineSqr(p, vec3(aabb.m_mins.x, aabb.m_mins.y, aabb.m_maxs.z), vec3(aabb.m_mins.x, aabb.m_maxs.y, aabb.m_maxs.z));
			else
				return DistanceToPlaneSqr(p, aabb.m_mins, vec3(-1, 0, 0));
		}
	}
	else if (p.x > aabb.m_maxs.x)
	{
		if (p.y < aabb.m_mins.y)
		{
			if (p.z < aabb.m_mins.z)
				return p.DistanceSqr(vec3(aabb.m_maxs.x, aabb.m_mins.y, aabb.m_mins.z));
			else if (p.z > aabb.m_maxs.z)
				return p.DistanceSqr(vec3(aabb.m_maxs.x, aabb.m_mins.y, aabb.m_maxs.z));
			else
				return DistanceToLineSqr(p, vec3(aabb.m_maxs.x, aabb.m_mins.y, aabb.m_mins.z), vec3(aabb.m_maxs.x, aabb.m_mins.y, aabb.m_maxs.z));
		}
		else if (p.y > aabb.m_maxs.y)
		{
			if (p.z < aabb.m_mins.z)
				return p.DistanceSqr(vec3(aabb.m_maxs.x, aabb.m_maxs.y, aabb.m_mins.z));
			else if (p.z > aabb.m_maxs.z)
				return p.DistanceSqr(vec3(aabb.m_maxs.x, aabb.m_maxs.y, aabb.m_maxs.z));
			else
				return DistanceToLineSqr(p, vec3(aabb.m_maxs.x, aabb.m_maxs.y, aabb.m_mins.z), vec3(aabb.m_maxs.x, aabb.m_maxs.y, aabb.m_maxs.z));
		}
		else
		{
			if (p.z < aabb.m_mins.z)
				return DistanceToLineSqr(p, vec3(aabb.m_maxs.x, aabb.m_mins.y, aabb.m_mins.z), vec3(aabb.m_maxs.x, aabb.m_maxs.y, aabb.m_mins.z));
			else if (p.z > aabb.m_maxs.z)
				return DistanceToLineSqr(p, vec3(aabb.m_maxs.x, aabb.m_mins.y, aabb.m_maxs.z), vec3(aabb.m_maxs.x, aabb.m_maxs.y, aabb.m_maxs.z));
			else
				return DistanceToPlaneSqr(p, aabb.m_maxs, vec3(1, 0, 0));
		}
	}
	else
	{
		if (p.y < aabb.m_mins.y)
		{
			if (p.z < aabb.m_mins.z)
				return DistanceToLineSqr(p, aabb.m_mins, vec3(aabb.m_maxs.x, aabb.m_mins.y, aabb.m_mins.z));
			else if (p.z > aabb.m_maxs.z)
				return DistanceToLineSqr(p, vec3(aabb.m_mins.x, aabb.m_mins.y, aabb.m_maxs.z), vec3(aabb.m_maxs.x, aabb.m_mins.y, aabb.m_maxs.z));
			else
				return DistanceToPlaneSqr(p, aabb.m_mins, vec3(0, -1, 0));
		}
		else if (p.y > aabb.m_maxs.y)
		{
			if (p.z < aabb.m_mins.z)
				return DistanceToLineSqr(p, vec3(aabb.m_mins.x, aabb.m_maxs.y, aabb.m_mins.z), vec3(aabb.m_maxs.x, aabb.m_maxs.y, aabb.m_mins.z));
			else if (p.z > aabb.m_maxs.z)
				return DistanceToLineSqr(p, vec3(aabb.m_mins.x, aabb.m_maxs.y, aabb.m_maxs.z), aabb.m_maxs);
			else
				return DistanceToPlaneSqr(p, aabb.m_maxs, vec3(0, 1, 0));
		}
		else
		{
			if (p.z < aabb.m_mins.z)
				return DistanceToPlaneSqr(p, aabb.m_mins, vec3(0, 0, -1));
			else if (p.z > aabb.m_maxs.z)
				return DistanceToPlaneSqr(p, aabb.m_maxs, vec3(0, 0, 1));
			else
				return 0;
		}
	}
}
开发者ID:ezhangle,项目名称:DrawSomething,代码行数:93,代码来源:geometry.cpp


注:本文中的vec3::DistanceSqr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。