本文整理汇总了C++中Ray::getBase方法的典型用法代码示例。如果您正苦于以下问题:C++ Ray::getBase方法的具体用法?C++ Ray::getBase怎么用?C++ Ray::getBase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类Ray
的用法示例。
在下文中一共展示了Ray::getBase方法的2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: Shadow_box
float Object::Shadow_box(Ray ray) const // Bounding box function for shadows
{
float t, thit = 1.0;
float xmin, xmax, ymin, ymax, zmin, zmax;
Vector Q;
Vector i(1,0,0), j(0,1,0), k(0,0,1);
Vector base = ray.getBase();
Vector dir = ray.getDir();
xmin = this->vmin.x;
xmax = this->vmax.x;
ymin = this->vmin.y;
ymax = this->vmax.y;
zmin = this->vmin.z;
zmax = this->vmax.z;
t = ray.intersect_plane(i, this->vmax);
if( (t > 0.0) && (t < 1.0) )
{
Q = base + dir.scale(t);
if( (ymin <= Q.y) && (Q.y <= ymax) && (zmin <= Q.z) && (Q.z <= zmax) )
{
thit = t;
return thit;
}
}
t = ray.intersect_plane(i.scale(-1), this->vmin);
if( (t > 0.0) && (t < 1.0) )
{
Q = base + dir.scale(t);
if( (ymin <= Q.y) && (Q.y <= ymax) && (zmin <= Q.z) && (Q.z <= zmax) )
{
thit = t;
return thit;
}
}
t = ray.intersect_plane(j, this->vmax);
if( (t > 0.0) && (t < 1.0) )
{
Q = base + dir.scale(t);
if( (xmin <= Q.x) && (Q.x <= xmax) && (zmin <= Q.z) && (Q.z <= zmax) )
{
thit = t;
return thit;
}
}
t = ray.intersect_plane(j.scale(-1), this->vmin);
if( (t > 0.0) && (t < 1.0) )
{
Q = base + dir.scale(t);
if( (xmin <= Q.x) && (Q.x <= xmax) && (zmin <= Q.z) && (Q.z <= zmax) )
{
thit = t;
return thit;
}
}
t = ray.intersect_plane(k, this->vmax);
if( (t > 0.0) && (t < 1.0) )
{
Q = base + dir.scale(t);
if( (xmin <= Q.x) && (Q.x <= xmax) && (ymin <= Q.y) && (Q.y <= ymax) )
{
thit = t;
return thit;
}
}
t = ray.intersect_plane(k.scale(-1), this->vmin);
if( (t > 0.0) && (t < 1.0) )
{
Q = base + dir.scale(t);
if( (xmin <= Q.x) && (Q.x <= xmax) && (ymin <= Q.y) && (Q.y <= ymax) )
{
thit = t;
return thit;
}
}
return thit;
}
示例2: bound_box
float Object::bound_box(Ray ray) const
{
float t, thit = HUGEREAL;
float xmin, xmax, ymin, ymax, zmin, zmax;
Vector Q;
Vector i(1,0,0), j(0,1,0), k(0,0,1);
Vector base = ray.getBase();
Vector dir = ray.getDir();
xmin = this->vmin.x;
xmax = this->vmax.x;
ymin = this->vmin.y;
ymax = this->vmax.y;
zmin = this->vmin.z;
zmax = this->vmax.z;
t = ray.intersect_plane(i, this->vmax);
if(t > 0.001)
{
Q = base + dir.scale(t);
if( (ymin <= Q.y) && (Q.y <= ymax) && (zmin <= Q.z) && (Q.z <= zmax) )
{
thit = t;
return thit;
}
}
t = ray.intersect_plane(i.scale(-1), this->vmin);
if(t > 0.001)
{
Q = base + dir.scale(t);
if( (ymin <= Q.y) && (Q.y <= ymax) && (zmin <= Q.z) && (Q.z <= zmax) )
{
thit = t;
return thit;
}
}
t = ray.intersect_plane(j, this->vmax);
if(t > 0.001)
{
Q = base + dir.scale(t);
if( (xmin <= Q.x) && (Q.x <= xmax) && (zmin <= Q.z) && (Q.z <= zmax) )
{
thit = t;
return thit;
}
}
t = ray.intersect_plane(j.scale(-1), this->vmin);
if(t > 0.001)
{
Q = base + dir.scale(t);
if( (xmin <= Q.x) && (Q.x <= xmax) && (zmin <= Q.z) && (Q.z <= zmax) )
{
thit = t;
return thit;
}
}
t = ray.intersect_plane(k, this->vmax);
if(t > 0.001)
{
Q = base + dir.scale(t);
if( (xmin <= Q.x) && (Q.x <= xmax) && (ymin <= Q.y) && (Q.y <= ymax) )
{
thit = t;
return thit;
}
}
t = ray.intersect_plane(k.scale(-1), this->vmin);
if(t > 0.001)
{
Q = base + dir.scale(t);
if( (xmin <= Q.x) && (Q.x <= xmax) && (ymin <= Q.y) && (Q.y <= ymax) )
{
thit = t;
return thit;
}
}
return thit;
}