Open mifi opened 4 years ago
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);
}
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