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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
</copyright> */
var MaterialParser = require("js/lib/rdge/materials/material-parser").MaterialParser;
var Material = require("js/lib/rdge/materials/material").Material;
var Texture = require("js/lib/rdge/texture").Texture;
///////////////////////////////////////////////////////////////////////
// Class GLMaterial
// RDGE representation of a material.
///////////////////////////////////////////////////////////////////////
var BumpMetalMaterial = function BumpMetalMaterial() {
///////////////////////////////////////////////////////////////////////
// Instance variables
///////////////////////////////////////////////////////////////////////
this._name = "Bump Metal";
this._shaderName = "bumpMetal";
this._defaultDiffuseTexture = "assets/images/metal.png";
this._defaultSpecularTexture = "assets/images/silver.png";
this._defaultNormalTexture = "assets/images/normalMap.png";
// array textures indexed by shader uniform name
this._glTextures = [];
this._speed = 1.0;
///////////////////////////////////////////////////////////////////////
// Property Accessors
///////////////////////////////////////////////////////////////////////
this.isAnimated = function() { return true; };
this.getShaderDef = function() { return bumpMetalMaterialDef; };
///////////////////////////////////////////////////////////////////////
// Material Property Accessors
///////////////////////////////////////////////////////////////////////
this._propNames = ["u_light0Diff", "u_colMap", "u_normalMap", "u_glowMap" ];
this._propLabels = ["Diffuse Color", "Diffuse Map", "Bump Map", "Specular Map" ];
this._propTypes = ["color", "file", "file", "file" ];
this._propValues = [];
this._propValues[ this._propNames[0] ] = [0.3, 0.3, 0.3, 1.0];
this._propValues[ this._propNames[1] ] = this._defaultDiffuseTexture.slice(0);
this._propValues[ this._propNames[2] ] = this._defaultNormalTexture.slice(0);
this._propValues[ this._propNames[3] ] = this._defaultSpecularTexture.slice(0);
///////////////////////////////////////////////////////////////////////
// Methods
///////////////////////////////////////////////////////////////////////
this.init = function( world )
{
// save the world
if (world) {
this.setWorld( world );
}
// set up the shader
this._shader = new RDGE.jshader();
this._shader.def = bumpMetalMaterialDef;
this._shader.init();
// set up the material node
this._materialNode = RDGE.createMaterialNode( this.getShaderName() + "_" + world.generateUniqueNodeID() );
this._materialNode.setShader(this._shader);
this.setShaderValues();
this.update(0);
};
};
///////////////////////////////////////////////////////////////////////////////////////
// RDGE shader
// shader spec (can also be loaded from a .JSON file, or constructed at runtime)
var bumpMetalMaterialDef = bumpMetalShaderDef =
{
'shaders':
{
// this shader is being referenced by file
'defaultVShader':"assets/shaders/test_vshader.glsl",
'defaultFShader':"assets/shaders/test_fshader.glsl",
// this shader is inline
'dirLightVShader': "\
uniform mat4 u_mvMatrix;\
uniform mat4 u_normalMatrix;\
uniform mat4 u_projMatrix;\
uniform mat4 u_worldMatrix;\
attribute vec3 a_pos;\
attribute vec3 a_nrm;\
varying vec3 vNormal;\
varying vec3 vPos;\
void main() {\
vNormal.xyz = (u_normalMatrix*vec4(a_nrm, 0.0)).xyz;\
gl_Position = u_projMatrix * u_mvMatrix * vec4(a_pos,1.0);\
vPos = (u_worldMatrix * vec4(a_pos,1.0)).xyz;\
}",
'dirLightFShader': "\
precision highp float;\
uniform vec4 u_light1Diff;\
uniform vec3 u_light1Pos;\
uniform vec4 u_light2Diff;\
uniform vec3 u_light2Pos;\
varying vec3 vNormal;\
varying vec3 vPos;\
void main() {\
vec3 light1 = vec3(u_light1Pos.x - vPos.x, u_light1Pos.y - vPos.y, u_light1Pos.z - vPos.z);\
vec3 light2 = vec3(u_light2Pos.x - vPos.x, u_light2Pos.y - vPos.y, u_light2Pos.z - vPos.z);\
float t = 0.75;\
float range = t*t;\
float alpha1 = max(0.0, 1.0 - ( (light1.x*light1.x)/range + (light1.y*light1.y)/range + (light1.z*light1.z)/range));\
float alpha2 = max(0.0, 1.0 - ( (light2.x*light2.x)/range + (light2.y*light2.y)/range + (light2.z*light2.z)/range));\
gl_FragColor = vec4((u_light2Diff*alpha2 + u_light1Diff*alpha1).rgb, 1.0);\
}"
},
'techniques':
{
'default':
[
{
'vshader' : 'defaultVShader',
'fshader' : 'defaultFShader',
// attributes
'attributes' :
{
'vert' : { 'type' : 'vec3' },
'normal' : { 'type' : 'vec3' },
'texcoord' : { 'type' : 'vec2' }
},
// parameters
'params' :
{
'u_light0Diff' : { 'type' : 'vec4' },
'u_colMap': { 'type' : 'tex2d' },
'u_normalMap': { 'type' : 'tex2d' },
'u_glowMap': { 'type' : 'tex2d' }
},
// render states
'states' :
{
'depthEnable' : true,
'offset':[1.0, 0.1]
}
},
{ // light pass
'vshader' : 'dirLightVShader',
'fshader' : 'dirLightFShader',
// attributes
'attributes' :
{
'a_pos' : { 'type' : 'vec3' },
'a_nrm' : { 'type' : 'vec3' }
},
// parameters
'params' :
{
},
// render states
'states' :
{
'depthEnable' : true,
"blendEnable" : true,
"srcBlend" : "SRC_ALPHA",
"dstBlend" : "DST_ALPHA"
}
} // light pass
]
} // techniques
};
BumpMetalMaterial.prototype = new Material();
if (typeof exports === "object") {
exports.BumpMetalMaterial = BumpMetalMaterial;
}
|