初次提交

第19章 游戏开发小贴士/Sample19_3/assets/frag.sh

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+precision mediump float;
+//接收从顶点着色器过来的参数
+varying vec4 ambient;
+varying vec4 diffuse;
+varying vec4 specular;
+uniform vec4 aColor;
+void main()                         
+{    
+   //将计算出的颜色给此片元
+   //vec4 finalColor=vec4(0.9,0.9,0.9,1.0);
+   gl_FragColor = aColor*ambient+aColor*specular+aColor*diffuse;//给此片元颜色值
+}