Merge pull request #728 from nyu-ossd-s20/translate

translated all examples in Lights to Chinese

Author: limzykenneth

src/data/examples/zh-Hans/12_Lights/02_Directional.js

@@ -1,10 +1,9 @@
 /*
- * @name Directional
+ * @name 定向光
  * @frame 710,400
- * @description Move the mouse to change the direction of the light.
- * Directional light comes from one direction and is stronger when hitting a
- * surface squarely and weaker if it hits at a a gentle angle. After hitting a
- * surface, a directional light scatters in all directions.
+ * @description 移动鼠标改变光线方向。
+ * 定向光从一个方向打来，垂直打在一个表面上时会更强，而以平缓的角度打则会更弱。
+ * 击打在表面上后，定向光会在所有方向上散射。
  */
 const radius = 200;
 

src/data/examples/zh-Hans/12_Lights/05_Mixture.js

@@ -1,7 +1,7 @@
 /*
- * @name Mixture
+ * @name 混合光
  * @frame 710,400 (optional)
- * @description Display a box with three different kinds of lights.
+ * @description 展示一个有三种不同光的盒子。
  */
 function setup() {
   createCanvas(710, 400, WEBGL);
@@ -11,13 +11,13 @@ function setup() {
 function draw() {
   background(0);
 
-  // Orange point light on the right
+  // 右侧：橘色点光源
   pointLight(150, 100, 0, 500, 0, 200);
 
-  // Blue directional light from the left
+  // 左侧：蓝色定向光
   directionalLight(0, 102, 255, -1, 0, 0);
 
-  // Yellow spotlight from the front
+  // 上方：黄色聚光
   pointLight(255, 255, 109, 0, 0, 300);
 
   rotateY(map(mouseX, 0, width, 0, PI));