18 lines
389 B
Bash
18 lines
389 B
Bash
precision mediump float;
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varying vec2 vTextureCoord; //接收从顶点着色器过来的参数
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uniform sampler2D sTexture;//纹理内容数据
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uniform float aPrograss;
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varying vec3 vPosition;
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void main()
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{
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if(vPosition.x<aPrograss)
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{
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//给此片元从纹理中采样出颜色值
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gl_FragColor = texture2D(sTexture, vTextureCoord);
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}
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else
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{
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discard;
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}
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} |