map_snow_fragment.frag

main 26 lines · 618 bytes Raw

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

2varying vec2 v_TexCoord;

4uniform vec4 u_Color;

5uniform sampler2D u_Tex0;

6uniform sampler2D u_Tex1;

7uniform float u_Time;

8uniform vec2 u_WalkOffset;

10vec2 snowDirection = vec2(1.0, 0.2);

11float snowSpeed = 0.08;

12float snowPressure = 0.4;

13float snowZoom = 0.6;

15void main()

16{

17 gl_FragColor = texture2D(u_Tex0, v_TexCoord) * u_Color;

    vec2 snowCoord = (v_TexCoord + vec2(u_WalkOffset.x, u_WalkOffset.y) + (snowDirection * u_Time * snowSpeed)) / snowZoom;

20 vec4 effectPixel = texture2D(u_Tex1, snowCoord) * snowPressure;

22 gl_FragColor += (effectPixel.rgba);

23 if(gl_FragColor.a < 0.01)

24 discard;

25}