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44 lines
1.0 KiB
GLSL
44 lines
1.0 KiB
GLSL
#ifndef TEST_COMMON_GLSL
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#define TEST_COMMON_GLSL
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// C++ engine test shader and developing iteration is pretty hard.
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// So try some code like shader-toy using visual studio code to debug here.
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// Some template code store here.
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/*
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#iChannel0 "file://duck.png"
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#iChannel1 "https://66.media.tumblr.com/tumblr_mcmeonhR1e1ridypxo1_500.jpg"
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#iChannel2 "file://other/shader.glsl"
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#iChannel2 "self"
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#iChannel4 "file://music/epic.mp3"
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#iChannel0::MinFilter "NearestMipMapNearest"
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#iChannel0::MagFilter "Nearest"
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#iChannel0::WrapMode "Repeat"
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#iChannel0 "file://cubemaps/yokohama_{}.jpg" // Note the wildcard '{}'
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#iChannel0::Type "CubeMap"
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#pragma glslify: snoise = require('glsl-noise/simplex/2d')
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float noise(in vec2 pt)
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{
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return snoise(pt) * 0.5 + 0.5;
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}
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void main ()
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{
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float r = noise(gl_FragCoord.xy * 0.01);
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float g = noise(gl_FragCoord.xy * 0.01 + 100.0);
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float b = noise(gl_FragCoord.xy * 0.01 + 300.0);
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gl_FragColor = vec4(r, g, b, 1);
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}
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*/
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#endif
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