1#property description Black sine wave from left to right. 2#property frequency 1 3 4void main(void) { 5 vec2 normCoord = (uv - 0.5) * aspectCorrection; 6 float x = (normCoord.x + normCoord.y) * 15. + iTime * iFrequency * 3.; 7 fragColor = texture(iInput, uv); 8 fragColor *= 1.0 - iIntensity * (0.5 * sin(x) + 0.5); 9} 10