rays teleradiology

Unity3D: Physical rays and unity3d rays RAY:From a point to a direction, a ray of infinite length is emitted, which will collide with an object with a Collider component in the scene. Use of rays: 1 public class Test 2 {3 private void Start () 4 {5 if (Input. getMouseButtonDown (0) 6 {7 // emits a Ray from the main camera to the position clicked by the mouse. 8 R

"The intersection of rays and spheres "First determine whether the beginning of the ray is within the circle, if within the circle, it will inevitably intersect. Otherwise, convert to the following scenario:　　　　We can show the intersection coordinates by showing T. T=a-f. A is easy to ask, Dot (e,d) can be. and f^2+b^2=r^2, in order to find F, need to first find out B. Where b^2+a^2=e^2, can find out B. So we can finally solve the F.The final formula

Mountain pictures suitable for shooting in the morning, there are clouds and rays are very beautiful, if the choice is not right, we can use PS to add these rays and clouds, simple touches can also get good results. Original Final effect 1, click on the material picture to open a large image of the material, and then the right mouse button select "Save the picture as" saved to

the seventh major philosophical proposition in history: Einstein's Light (Einstein's Beam)~ Einstein's famous special theory of relativity is a thought experiment that was set up at the age of 16. In his autobiography, Einstein recalled that he had dreamed of pursuing a light in the universe. He reasoned that if he was able to move around the light at the speed of light, he should be able to see the light as "an electromagnetic field that is constantly oscillating but stagnant in space." ~ for

Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->1 //----------------------------------------------- 2 // ----------- detect the intersection of triangles and rays --------- 3 bool cdirectxapp: intersect (const d3dxvector3 v0, const d3dxvector3 V1, const d3dxvector3 V2, 4 const d3dxvector3 orgin, const d3dxvector3 VEC, float U, float V, float T) 5 { 6 // determine whether the triangle is u

Ray Ray, the analogy is the bullets in the game. A point in the 3D world is a line without an end point. During the launch process, the launch will stop once it is in conflict with other objects. Principle of radiation When creating a Ray, you first need to know the coordinates of the ray's start point and end point in the 3D world. Using unityengine; using system. collections; public class script_06_08: monobehaviour {void Update () {// create a ray, which is emitted from zero point to th

, direction); * } $}Principle:One, the world coordinate system point P1 transforms to the projection space to obtain the point P2 the formula is:P2 = P1 * Viewmatrix * Projectmatrix = P1 * Viewprojmatrix;In the rendering pipeline, the point of the projected space also needs to undergo perspective division, which translates to X, Y and Z values in the [ -1,1] interval, which is a unit cube. The formula is:point_clip = P2/P2.W;Then the formula of converting points from the unit cube coordin

How does photoshop add orange rays to the characters in a photo? Original Final effect 1, open original material, create optional color adjustment layer, yellow, green, green adjustment, parameter settings such as Figure 1-3, the effect is shown in Figure 4. This step adds a warm color to the picture. 2, press CTRL + J to copy the current optional color adjustment laye

How does photoshop add beautiful rays to the characters in wildflowers? The material picture sky is white, the character part and the environment is not very fusion. We first color the image as a unified warm, and then to the sky part of the light material, and then to the picture to render high lighting and sunshine effect, and finally adjust the characters and light. Original Final effect 1, open the original material

Photoshop adds brilliant blue and yellow rays to the characters in the trees. material picture Figure head Sky part is a little white, affect the overall effect. When processing, you can add rays to the white area, and then darken the picture as a whole, adding warm colors and high light. Original Final effect 1, open the original material large map, create brightness/contrast

: Command: _xline Specify a point or [Hor/ver/ang/bisect/offset]: v Enter Select the Ver option to draw a vertical reference line Specify through point:0,0 Enter Specifies the first line of reference to pass through the point (0,0) Specify through point:450,0 Enter Specifies the second reference line to pass the point (450,0) Specify through Point:enter Press the ENTER key to determine (3) Use the "Ray" comma

change the color, it is not only can do the inner shadow, Clever use of it can make a lot of interesting effects, such as UI design often use white inner shadow to do high light and so on. Of course always use the same blending mode is not always useful, you need to try different blending mode to make the most suitable effect, anyway, the goal is to create contour rays at the edge of the object. The color of the light depends on whether

PS to the new in the shade of the tree plus the atmosphere rays Material pictures of the very atmosphere, the composition is also very in place, but the sky part of the white, the effect is not very ideal. When dealing with the first part of the sky into the light material, and then the main color and dark color of the dark, high light area rendering some of the sun, and finally enhance the character of the Shadow can Original Final

The difficult part of the tutorial is the processing of the sky. Footage of the sky and the peak color closer, using the channel to pull the map to retain the peak at the top of the local gray, so after the replacement of the sky will be a lot of

Introduction Ray has many important applications in 3D graphics. For example, the pick operation is implemented by Ray, and Ray can be used for bullet Ray collision detection. Therefore, in this blog, we will briefly introduce how to perform

In practical applications, we often use a ball or a box to test the intersection of an object and a ray. Assume that the ray is intersecting with the box or ball, in fact, many calculations in the 3D world are inaccurate, just simple simulation and

Material picture in the upper left corner of the sky White, before processing need to pull out the sky, and put on the light material, and then set the source to the upper left corner, and then according to the location of the light source to render

The upper left corner of the material picture is a bit white, before processing can be filled with cloud material, and then according to their favorite color, and then strengthen the good shading level, local rendering some high light. Original

This tutorial introduces the production of multicolored radiation effects. Idea: Use the filter effect to make some of the more unique texture, and then use the radial Blur tool to blur the texture, so that there is the effect of radiation, in the

The effect diagram is divided into two parts: beam and particle. The radiation light is done with a variety of filters, and the particle part needs to make a preliminary particle with a set brush stroke path, and then add the glow effect with the