Lucas de Vries
11 lines
313 B
Plaintext
11 lines
313 B
Plaintext
varying vec2 uv;
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uniform sampler2D texture;
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uniform float level;
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const vec3 gray = vec3(0.30, 0.59, 0.11);
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void main() {
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vec4 color = texture2D(texture, uv);
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gl_FragColor.rgb = mix(vec3(dot(gray, color.rgb * gl_Color.rgb)), color.rgb * gl_Color.rgb, level);
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gl_FragColor.a = color.a * gl_Color.a;
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}
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