blob: 850c7afaffa32173e29abecc29c34959f5dd7777 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
uniform vec4 u_color;
uniform vec2 u_offset;
uniform vec2 u_pattern_size;
uniform vec2 u_pattern_tl;
uniform vec2 u_pattern_br;
uniform float u_mix;
uniform sampler2D u_image;
varying vec2 v_pos;
void main() {
vec2 imagecoord = mod((v_pos + u_offset) / u_pattern_size, 1.0);
vec2 pos = mix(u_pattern_tl, u_pattern_br, imagecoord);
vec4 color1 = texture2D(u_image, pos);
vec2 imagecoord2 = mod(imagecoord * 2.0, 1.0);
vec2 pos2 = mix(u_pattern_tl, u_pattern_br, imagecoord2);
vec4 color2 = texture2D(u_image, pos2);
vec4 color = mix(color1, color2, u_mix);
gl_FragColor = color + u_color * (1.0 - color.a);
}
|
