forest.frag

main 27 lines · 654 bytes Raw

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

1#ifdef GL_ES

2precision mediump float;

3#endif

5uniform sampler2D u_Tex0;

6uniform sampler2D u_Tex1;

7uniform vec2 u_WalkOffset;

8varying vec2 v_TexCoord;

10const vec2 zoom = vec2(5.0, 5.0);

11const vec3 overlayColor = vec3(0.0, 0.0, 0.0);

12const float overlayOpacity = 0.3;

13void main(void)

14{

15 vec2 offset = (u_WalkOffset + v_TexCoord) * zoom;

16 offset = fract(offset);

17 offset.y = 1.0 - offset.y;

19 vec3 bgcol = texture2D(u_Tex0, v_TexCoord).rgb;

20 vec3 fogcol = texture2D(u_Tex1, offset).rgb;

21 vec3 finalFog = mix(fogcol, overlayColor, 0.4 - overlayOpacity);

23 vec3 col = bgcol * finalFog;

25 gl_FragColor = vec4(col, 1.0);

26}