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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
[shaders]
vertex =
uniform highp mat4 u_modelMatrix;
uniform highp mat4 u_viewMatrix;
uniform highp mat4 u_projectionMatrix;
uniform highp mat4 u_normalMatrix;
attribute highp vec4 a_vertex;
attribute highp vec4 a_normal;
attribute highp vec2 a_uvs;
varying highp vec3 f_vertex;
varying highp vec3 f_normal;
void main()
{
vec4 world_space_vert = u_modelMatrix * a_vertex;
gl_Position = u_projectionMatrix * u_viewMatrix * world_space_vert;
f_vertex = world_space_vert.xyz;
f_normal = (u_normalMatrix * normalize(a_normal)).xyz;
}
fragment =
uniform mediump vec4 u_ambientColor;
uniform mediump vec4 u_diffuseColor;
uniform mediump vec4 u_specularColor;
uniform highp vec3 u_lightPosition;
uniform mediump float u_shininess;
uniform highp vec3 u_viewPosition;
uniform lowp float u_overhangAngle;
uniform lowp vec4 u_overhangColor;
uniform lowp vec4 u_faceColor;
uniform highp int u_faceId;
varying highp vec3 f_vertex;
varying highp vec3 f_normal;
void main()
{
mediump vec4 finalColor = vec4(0.0);
// Ambient Component
finalColor += u_ambientColor;
highp vec3 normal = normalize(f_normal);
highp vec3 lightDir = normalize(u_lightPosition - f_vertex);
// Diffuse Component
highp float NdotL = clamp(abs(dot(normal, lightDir)), 0.0, 1.0);
finalColor += (NdotL * u_diffuseColor);
// Specular Component
// TODO: We should not do specularity for fragments facing away from the light.
highp vec3 reflectedLight = reflect(-lightDir, normal);
highp vec3 viewVector = normalize(u_viewPosition - f_vertex);
highp float NdotR = clamp(dot(viewVector, reflectedLight), 0.0, 1.0);
finalColor += pow(NdotR, u_shininess) * u_specularColor;
finalColor = (u_faceId != gl_PrimitiveID) ? ((-normal.y > u_overhangAngle) ? u_overhangColor : finalColor) : u_faceColor;
gl_FragColor = finalColor;
gl_FragColor.a = 1.0;
}
vertex41core =
#version 410
uniform highp mat4 u_modelMatrix;
uniform highp mat4 u_viewMatrix;
uniform highp mat4 u_projectionMatrix;
uniform highp mat4 u_normalMatrix;
in highp vec4 a_vertex;
in highp vec4 a_normal;
in highp vec2 a_uvs;
out highp vec3 f_vertex;
out highp vec3 f_normal;
void main()
{
vec4 world_space_vert = u_modelMatrix * a_vertex;
gl_Position = u_projectionMatrix * u_viewMatrix * world_space_vert;
f_vertex = world_space_vert.xyz;
f_normal = (u_normalMatrix * normalize(a_normal)).xyz;
}
fragment41core =
#version 410
uniform mediump vec4 u_ambientColor;
uniform mediump vec4 u_diffuseColor;
uniform mediump vec4 u_specularColor;
uniform highp vec3 u_lightPosition;
uniform mediump float u_shininess;
uniform highp vec3 u_viewPosition;
uniform lowp float u_overhangAngle;
uniform lowp vec4 u_overhangColor;
uniform lowp vec4 u_faceColor;
uniform highp int u_faceId;
in highp vec3 f_vertex;
in highp vec3 f_normal;
out vec4 frag_color;
void main()
{
mediump vec4 finalColor = vec4(0.0);
// Ambient Component
finalColor += u_ambientColor;
highp vec3 normal = normalize(f_normal);
highp vec3 lightDir = normalize(u_lightPosition - f_vertex);
// Diffuse Component
highp float NdotL = clamp(abs(dot(normal, lightDir)), 0.0, 1.0);
finalColor += (NdotL * u_diffuseColor);
// Specular Component
// TODO: We should not do specularity for fragments facing away from the light.
highp vec3 reflectedLight = reflect(-lightDir, normal);
highp vec3 viewVector = normalize(u_viewPosition - f_vertex);
highp float NdotR = clamp(dot(viewVector, reflectedLight), 0.0, 1.0);
finalColor += pow(NdotR, u_shininess) * u_specularColor;
finalColor = (u_faceId != gl_PrimitiveID) ? ((-normal.y > u_overhangAngle) ? u_overhangColor : finalColor) : u_faceColor;
frag_color = finalColor;
frag_color.a = 1.0;
}
[defaults]
u_ambientColor = [0.3, 0.3, 0.3, 1.0]
u_diffuseColor = [1.0, 0.79, 0.14, 1.0]
u_specularColor = [0.4, 0.4, 0.4, 1.0]
u_overhangColor = [1.0, 0.0, 0.0, 1.0]
u_faceColor = [0.0, 0.0, 1.0, 1.0]
u_shininess = 20.0
[bindings]
u_modelMatrix = model_matrix
u_viewMatrix = view_matrix
u_projectionMatrix = projection_matrix
u_normalMatrix = normal_matrix
u_viewPosition = view_position
u_lightPosition = light_0_position
u_diffuseColor = diffuse_color
u_faceId = selected_face
[attributes]
a_vertex = vertex
a_normal = normal
|
