Three.js implements hello world and the method of drawing lines

This article mainly introduces you to the relevant information about hello world for getting started with Three.js and how to draw lines. The article introduces it in great detail through sample code. It has certain reference learning value for everyone's study or work. I hope it can help. Everyone.

hello world

First of all, we use three.js to create a cube hello world type case.

Analysis of the above code case:

(1) First introduce the three.js library file, just like introducing jq.

(2) Create scene (line 17)

(3) Create camera and set field of view, display aspect ratio, near clipping plane, far clipping plane (Line 19)

(4) Create a renderer, set attributes, and place it in the dom (Lines 21-25)

(5) Create a cube model , and put it into the scene (28-34)

(6) Set the camera position (line 36)

(7) Set an animation function and use The renderer renders the scene and camera at 60 frames per second, displays it, and turns it into an animation.

Use Three.js to draw lines

The above is the effect displayed after the drawing is completed.

Compared with the previous section, there is only a difference in the model. Here, we first use the line texture method to set the texture of the line, then use the geometric object or buffer geometric object to generate the vertex coordinates, and finally call Line Method to draw the line.

Related recommendations:

Detailed introduction to HTML5 canvas basic drawing line segment code examples

The above is the detailed content of Three.js implements hello world and the method of drawing lines. For more information, please follow other related articles on the PHP Chinese website!