mirror of
https://github.com/curioustorvald/Terrarum.git
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13 lines
391 B
GLSL
13 lines
391 B
GLSL
varying vec4 v_color;
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varying vec2 v_texCoords;
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uniform sampler2D u_texture;
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vec2 boolean = vec2(0.0, 1.0);
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vec4 desaturate = vec4(0.2126, 0.7152, 0.0722, 0.0);
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void main(void) {
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vec4 incolour = texture2D(u_texture, v_texCoords);
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float lum = dot(incolour * desaturate, boolean.yyyx) * 0.5 + 0.5;
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gl_FragColor = v_color * (vec4(lum) * boolean.yyyx + incolour * boolean.xxxy);
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} |