item_veil_fragment.frag

main 32 lines · 773 bytes Raw

Alex Commit Client Upload Part 1 19/10/2026 00:04

1varying vec2 v_TexCoord;

2varying vec2 v_Position;

3uniform sampler2D u_Tex0;

4uniform float u_Time;

6// CONFIG

7float speed = 10.0;

8float height = 11.5;

9float angle = 45.0; // degrees

10float intensity = 0.8;

11// CONFIG END

13vec2 rotate(vec2 v, float a) {

14 float s = sin(a);

15 float c = cos(a);

16 mat2 m = mat2(c, -s, s, c);

17 return m * v;

18}

20void main()

21{

22 gl_FragColor = texture2D(u_Tex0, v_TexCoord);

24 vec2 p = rotate(v_Position, (angle / 180.0) * 3.14);

25 float frame = mod(p.y, height);

26 float timeFrame = mod(u_Time * speed, height);

27 float dist = min(abs(frame - timeFrame), min(abs(frame - timeFrame - height), abs(frame - timeFrame + height)));

28 gl_FragColor.xyz *= intensity / sqrt(max(1.0, dist));

30 if(gl_FragColor.a < 0.01) discard;

31}