map_toxic_fog.frag

main 31 lines · 799 bytes Raw

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

1uniform float u_Time;

2uniform sampler2D u_Tex0;

3uniform sampler2D u_Tex1;

4varying vec2 v_TexCoord;

5uniform mat3 u_TextureMatrix;

6uniform vec2 u_MapCoords;

8vec2 direction = vec2(1.0,0.3);

9float speed = 0.05;

10float pressure = 0.9;

11float zoom = 0.5;

13vec3 toxicEffect(vec3 color)

14{

15 return vec3(color.x * 0.15,

16 color.y * 0.6,

17 color.z * 0.15);

18}

20void main(void)

21{

22 vec2 b = vec2(-u_TextureMatrix[1][1]/u_TextureMatrix[0][0], 1.0);

24 vec2 offset = (u_MapCoords + (v_TexCoord * b) + (direction * u_Time * speed)) / zoom;

25 vec3 bgcol = texture2D(u_Tex0, v_TexCoord).xyz;

26 vec3 fogcol = texture2D(u_Tex1, offset).xyz;

27 fogcol = toxicEffect(fogcol);

28 vec3 col = bgcol + fogcol*pressure;

29 gl_FragColor = vec4(col,1.0);

30}