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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
#version 330 core
layout(location = 0) in vec3 position; // Position of the vertex
layout(location = 1) in vec3 wavelength; // wavelenth adjusted for ocean depth
layout(location = 2) in vec3 normals; // normals
//layout(location = 2) in vec2 direction; // wave slope
//layout(location = 3) in vec2 texCoords; // texture coords
//layout(location = 3) in vec3 norm; // texture coords
out vec2 constants;
out vec2 dir;
out vec2 tex;
out vec3 pos;
out vec3 norm;
out vec3 camera_worldSpace;
uniform float time;
uniform float phaseC; // phase constant
uniform mat4 proj;
uniform mat4 view;
uniform mat4 model;
uniform mat4 inverseView;
uniform vec2 widthBounds;
uniform vec2 lengthBounds;
vec2 calculateTexCoord(vec3 pos){
// vec3 v = vec3(0,0,1);
// if (abs(norm.y) < 1.f){
// v = normalize(vec3(0,1,0) - norm.y*norm);
// }
// vec3 u = normalize(cross(norm, v));
// float u_coord = dot(u, vec3(pos.x, 0, pos.z)) - widthBounds[0]/ (widthBounds[1] - widthBounds[0]);
// float v_coord = dot(v, vec3(pos.x, 0, pos.z)) - lengthBounds[0]/ (lengthBounds[1] - lengthBounds[0]);
float u_coord = position.x / (widthBounds[1] - widthBounds[0]);
float v_coord = position.z / (lengthBounds[1] - lengthBounds[0]);
float offset = .5f;
return 2*vec2(u_coord + offset, v_coord + offset);
}
void main() {
// dir = vec2(wavedirs[0],wavedirs[1]);
constants = vec2(wavelength[0], phaseC);
gl_Position = proj * view * model * vec4(position, 1);
pos = vec3(gl_Position);
norm = normalize(normals);
camera_worldSpace = vec3(inverseView * vec4(0.f, 0.f, 0.f, 1.f));
tex = calculateTexCoord(position);
}
|
