glowing_green_vert.frag

main 42 lines · 1.1 KB Raw

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

1attribute vec2 a_TexCoord;

2uniform mat3 u_TextureMatrix;

3varying vec2 v_TexCoord;

4varying vec2 v_TexCoord2;

5varying vec2 v_TexCoord3;

6varying vec2 v_Position;

7attribute vec2 a_Vertex;

8uniform mat3 u_TransformMatrix;

9uniform mat3 u_ProjectionMatrix;

10uniform vec2 u_Offset;

11uniform vec2 u_Resolution;

12uniform vec2 u_Center;

14void main()

15{

16 vec2 vertex = a_Vertex;

17 vec2 text = a_TexCoord;

18 vec2 text2 = a_TexCoord;

19 if(vertex.x < u_Center.x) {

20 vertex.x -= 1.0;

21 text.x -= 1.0;

22 }

23 if(vertex.x > u_Center.x) {

24 vertex.x += 1.0;

25 text.x += 1.0;

26 }

27 if(vertex.y < u_Center.y) {

28 vertex.y -= 1.0;

29 text.y -= 1.0;

30 }

31 if(vertex.y > u_Center.y) {

32 vertex.y += 1.0;

33 text.y += 1.0;

34 }

35 gl_Position = vec4((u_ProjectionMatrix * u_TransformMatrix * vec3(vertex.xy, 1.0)).xy, 1.0, 1.0);

36 v_Position = a_Vertex.xy - u_Center;

37 v_TexCoord = (u_TextureMatrix * vec3(text,1.0)).xy;

38 v_TexCoord2 = (u_TextureMatrix * vec3(text + u_Offset,1.0)).xy;

39 v_TexCoord3 = (u_TextureMatrix * vec3(text2,1.0)).xy;

40}