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
|
#version 330
#if defined VERTEX_SHADER
in vec3 in_position;
in vec3 in_normal;
uniform mat4 m_model;
uniform mat4 m_camera;
uniform mat4 m_proj;
out vec3 pos;
out vec3 normal;
void main() {
mat4 m_view = m_camera * m_model;
vec4 p = m_view * vec4(in_position, 1.0);
gl_Position = m_proj * p;
mat3 m_normal = inverse(transpose(mat3(m_view)));
normal = m_normal * normalize(in_normal);
pos = p.xyz;
}
#elif defined FRAGMENT_SHADER
out vec4 fragColor;
uniform vec4 color;
in vec3 pos;
in vec3 normal;
void main() {
float l = dot(normalize(-pos), normalize(normal));
fragColor = color * (0.25 + abs(l) * 0.75);
}
#endif
|
