14 lines
169 B
GLSL
14 lines
169 B
GLSL
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uniform float alpha;
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varying vec4 v_color;
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void main()
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{
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vec4 frag = vec4(0, 0, 0, 1);
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frag.rgb = mix(vec3(0, 0, 0), v_color.rgb, alpha);
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gl_FragColor = frag;
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}
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