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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
uniform mat4 u_Transform;
uniform float u_Scale;
attribute vec2 i_Pos;
attribute vec2 i_Scale;
attribute vec4 i_Color;
attribute vec4 i_BorderColor;
attribute float i_BorderRadius;
attribute float i_BorderWidth;
attribute vec2 q_Pos;
varying vec4 v_Color;
varying vec4 v_BorderColor;
varying vec2 v_Pos;
varying vec2 v_Scale;
varying float v_BorderRadius;
varying float v_BorderWidth;
void main() {
vec2 p_Pos = i_Pos * u_Scale;
vec2 p_Scale = i_Scale * u_Scale;
float i_BorderRadius = min(
i_BorderRadius,
min(i_Scale.x, i_Scale.y) / 2.0
);
mat4 i_Transform = mat4(
vec4(p_Scale.x + 1.0, 0.0, 0.0, 0.0),
vec4(0.0, p_Scale.y + 1.0, 0.0, 0.0),
vec4(0.0, 0.0, 1.0, 0.0),
vec4(p_Pos - vec2(0.5, 0.5), 0.0, 1.0)
);
v_Color = i_Color;
v_BorderColor = i_BorderColor;
v_Pos = p_Pos;
v_Scale = p_Scale;
v_BorderRadius = i_BorderRadius * u_Scale;
v_BorderWidth = i_BorderWidth * u_Scale;
gl_Position = u_Transform * i_Transform * vec4(q_Pos, 0.0, 1.0);
}
|