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GL backgrounds: http://stack.gl/ https://www.shadertoy.com/ http://glslsandbox.com/ vantajs.com https://www.shadertoy.com/view/XslGRr https://github.com/willstall/30-days-of-shade https://github.com/radixzz/awesome-glsl
The text was updated successfully, but these errors were encountered:
Error in gl = Failed to format compiler error: TypeError: string.split is not a function Gl Frag file code
void main() { gl_Position = ftransform(); gl_TexCoord[0] = gl_MultiTexCoord0; } // Scene buffer uniform sampler2D tex0; // Currently not used in this demo! uniform float time; // GeeXLab built-in uniform, width of // the current render target uniform float rt_w; // GeeXLab built-in uniform, height of // the current render target uniform float rt_h; // Swirl effect parameters uniform float radius = 200.0; uniform float angle = 0.8; uniform vec2 center = vec2(400.0, 300.0); vec4 PostFX(sampler2D tex, vec2 uv, float time) { vec2 texSize = vec2(rt_w, rt_h); vec2 tc = uv * texSize; tc -= center; float dist = length(tc); if (dist < radius) { float percent = (radius - dist) / radius; float theta = percent * percent * angle * 8.0; float s = sin(theta); float c = cos(theta); tc = vec2(dot(tc, vec2(c, -s)), dot(tc, vec2(s, c))); } tc += center; vec3 color = texture2D(tex0, tc / texSize).rgb; return vec4(color, 1.0); } void main (void) { vec2 uv = gl_TexCoord[0].st; gl_FragColor = PostFX(tex0, uv, time); }
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GL backgrounds:
http://stack.gl/
https://www.shadertoy.com/
http://glslsandbox.com/
vantajs.com
https://www.shadertoy.com/view/XslGRr
https://github.com/willstall/30-days-of-shade
https://github.com/radixzz/awesome-glsl
The text was updated successfully, but these errors were encountered: