BitJam/bitjam1-1.iso/interface/sign_of_life/distor.txt

Text File | 2007-09-05 | 566b | 18 lines

float time_0_X:register(c0);
float bands_speed:register(c1);
float bands_amp:register(c2);
sampler2D texture1:register(s0);
float4 main(float2 x:texcoord):color {
    float2 xx = x;
    float4 color;
    xx.y += sin(time_0_X + x.x * 15) * .01;
    xx.y += sin(time_0_X + x.y * 15) * .01;
    if((x.y < .208) || (x.y > .794)) return(0);
    else {
        float decal = ((((sin(xx.y * bands_speed + sin(time_0_X) * 1024)) * .5) + .5) - xx.x) * bands_amp;
        color = tex2D(texture1, xx + decal) - bands_amp;
        color -= decal;
        return(color);
    }
}