assets/shaders/Pulse.frag.glsl


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#ifdef GL_ES
precision highp float;
#endif

uniform float u_time;
uniform vec2 u_resolution;
uniform sampler2D u_tex0;

void main(void)
{
    vec2 halfres = u_resolution.xy/2.0;
    vec2 cPos = gl_FragCoord.xy;

    cPos.x -= 0.5*halfres.x*sin(u_tim