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第12章 几种剪裁与测试/Sample12_4/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;
+varying float u_clipDist;
+void main()                         
+{    
+	 if(u_clipDist < 0.0) discard;
+
+   //将计算出的颜色给此片元
+   vec4 finalColor=vec4(0.95,0.95,0.95,1.0);   
+   gl_FragColor = finalColor*ambient+finalColor*specular+finalColor*diffuse;//给此片元颜色值
+}