确保对象层设置不忽略光线投射。
Make sure the GameObjects layer is not set to Ignore Raycast.
确保你的光线投射形成正确的摄像机。
光线投射算法是体绘制中的经典方法。
光线投射是一种高质量的体绘制方法。
Ray casting is a widely recognized method for high quality volume rendering.
他们学会了运用太阳光线投射出的阴影来获得时间的方法。
注意：如果从一个球型体的内部到外部用光线投射，返回为假。
Note: This function will return false if you cast a ray from inside a sphere to the outside; this in an intended behaviour.
本文主要研究三维地震数据场的直接体绘制方法——光线投射算法。
In this paper, three-dimensional seismic data field of direct volume rendering-Ray Casting Algorithm is mainly studied.
采用改进的光线投射法渲染烟雾和云，并将整个运算映射到GPU。
We adopt improved Ray-Casting to render smoke and cloud and map the entire arithmetic process to GPU.
对于烟雾的渲染，利用两次光线投射的方法，得到了很好的烟雾效果。
For the smoke rendering, we take the approach of ray-tracing twice and achieve satisfactory results.
本教程是使用默认的相机对光线投射，确保你的场景中的摄像机，其标签设置主相机。
The tutorial seems to be using a default camera for the Raycast, make sure you have a camera in the scene that has its Tag set to Main camera.
将传统的光线投射体绘制算法在具有可编程管线的图形处理器（GPU）上重新实现。
In this work, we implement the traditional ray-casting-based volume rendering algorithm on the programmable graphics processing unit (GPU).
实验结果表明本文算法既可以增强传统光线投射算法的绘制效果，也可以加快算法的速度。
The results of Experimental show that the algorithm can not only enhance the effect of traditional ray-casting algorithm, but also accelerate the speed of the algorithm.
倾斜平屋顶的边缘延伸超过建筑的占地面积，天花板上的窗户将光线投射到内部的条纹墙上。
Edges of the tilted flat roof extend beyond the building's footprint, and Windows in the ceiling cast light onto the striated walls inside.
窗户已经挂上窗帘了，桌上点燃着一支蜡烛，用已装钉的乐谱挡住烛光，省得光线投射到小床上。
The Windows were curtained, and on the table a single candle was burning, screened by a note-book, so that the light did not fall on the crib.
充分的实验结果表明本文的算法达到了和传统光线投射算法相媲美的图像质量和相当高的绘制速度。
Sufficient experimentation shows that we could reach a good frame rate and a satisfied image quality, which could be compared to the result of ray casting.
把图像处理、光线投射与包围体技术有机结合，提出了一种提高成像质量和速度的三维可视化新方法。
A novel method for 3d visualization with improved image quality and speed has been developed by closely combined use of image processing, ray casting and bounding box technology.
针对传统图形绘制算法速度慢，质量不高的缺点，提出了一种快速的基于光线投射法的体切割预处理方法。
To overcome the disadvantages of the traditional volume clipping algorithm, this paper proposes a fast volume clipping method based on ray-casting.
该文综述了当前医学图像三维重建中基于光线投射算法的几种改进算法，对各种改进算法的优缺点进行了比较。
This paper summarizes some improved algorithm of Ray-casting algorithm apply to current Three-dimensional reconstruction of medical images and compare their merits and demerits.
其光线投射算法从屏幕上的每个像素点出发，沿设定视点方向，发出一条射线，沿该射线选择若干个等距采样点。
Ray casting were stared out at every pixel on screen along viewpoint direction, and then some sample points were selected on the line.
光线投射算法显示速度较慢，本文在深入分析其原因的基础上，提出利用投影角度相关信息来提高旋转显示的速度。
The rendering speed of conventional ray-casting algorithm is very slow. Anew approach is presented here to notably improve the display speed using rotate-relative messages for further processing.
在为墙面涂上了阳光的颜色后，他用一面镜子折射光线，沿着太阳的轨迹，将光线投射到狱墙上阳光照不到的地方。
After painting the wall the color of sunshine, he used a mirror to deflect rays of light, as he followed the path of the sun, onto the places on the prison wall where the sun did not shine.
最后，将处理后的水体和地层数据合并，并通过直接体绘制中的光线投射算法有效地实现了水声体数据的三维可视化。
Finally, the processed water and seafloor data is combined, and then the visualization of SAS volume data is achieved by the ray casting algorithm of direct volume rendering.
实现了一种基于图形处理器的单步光线投射算法，并在此基础上提出了一种基于空间跳跃技术的光线投射算法，以实现加速。
A single-pass ray-casting algorithm is developed based on GPU(graphics processing unit), and on the basis of this algorithm an accelerated algorithm is proposed based on space leaping technique.
光线投射法是一种重要的体绘制算法，但直线上采样点的确定和采样值计算是非常费时的，也是影响体绘制实时性的重要因素。
Ray casting is an important algorithm in direct volume rendering, but it has the disadvantages of the large amount of computation and inefficient computation of sampling-points.
此时日已西垂，暮色愈浓，路灯投射在铺路的圆石上折射出不规则的光线，雨水让一切都闪闪发亮。
And this was only October. The sun had gone down and it was late. Street lamps reflected irregular beams of light on the cobblestones.
在这张大幅的浪漫画作上，充满投射着夏日光线的红色的脸颊，无疑让人印象深刻，在今天看来还是一幅了不起的画作。
This large and romantic painting, full of blushing cheeks cast in summer light, is inescapably impressive and remains a big draw.
一排排巨大的天线阵列把强度达数兆瓦特的无线电波投射到高空大气层，天空出现了一束束耀眼的光线。
Pedersen had made them himself, with the help of an enormous array of antennas that can hurl several megawatts of radio waves into the upper atmosphere, creating brilliant light shows in the sky.
当太阳光投射到没有经过技术处理的窗户，太阳光的热量和光线全部进入到了室内。
When sunlight shines through the untreated window, it provides both light and heat.
当太阳光投射到没有经过技术处理的窗户，太阳光的热量和光线全部进入到了室内。
When sunlight shines through the untreated window, it provides both light and heat.
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