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
185
186
187
188
189
190
191
192
193
|
/* <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;
///////////////////////////////////////////////////////////////////////
// Class GLMaterial
// RDGE representation of a material.
///////////////////////////////////////////////////////////////////////
function TaperMaterial() {
// initialize the inherited members
this.inheritedFrom = GLMaterial;
this.inheritedFrom();
///////////////////////////////////////////////////////////////////////
// Instance variables
///////////////////////////////////////////////////////////////////////
this._name = "TaperMaterial";
this._shaderName = "taper";
this._color = [1, 0, 0, 1];
this._deltaTime = 0.0;
///////////////////////////////////////////////////////////////////////
// Property Accessors
///////////////////////////////////////////////////////////////////////
this.getColor = function () { return this._color; };
this.getShaderName = function () { return this._shaderName; };
this.isAnimated = function () { return true; };
this.hasVertexDeformation = function () { return this._hasVertexDeformation; };
this._hasVertexDeformation = true;
this._vertexDeformationTolerance = 0.02; // should be a property
///////////////////////////////////////////////////////////////////////
// Methods
///////////////////////////////////////////////////////////////////////
// duplcate method requirde
this.dup = function () { return new TaperMaterial(); };
this.init = function (world) {
this.setWorld(world);
// set up the shader
this._shader = new RDGE.jshader();
this._shader.def = taperShaderDef;
this._shader.init();
// set the defaults
this._shader.colorMe.color.set(this.getColor());
// set up the material node
this._materialNode = RDGE.createMaterialNode("taperMaterial" + "_" + world.generateUniqueNodeID());
this._materialNode.setShader(this._shader);
// initialize the taper properties
this.updateShaderValues();
};
///////////////////////////////////////////////////////////////////////
// Material Property Accessors
///////////////////////////////////////////////////////////////////////
this._propNames = ["color", "u_limit1", "u_limit2", "u_limit3", "u_minVal", "u_maxVal", "u_center", "u_taperAmount"];
this._propLabels = ["Color", "Minimum Parameter Value", "Center Paramater Value", "Maximum Parameter Value", "Minimum Data Bounds", "Maximum Data Bounds", "Center", "Taper Amount"];
this._propTypes = ["color", "float", "float", "float", "float", "float", "float", "float"];
this._propValues = [];
// initialize the property values
this._propValues[this._propNames[0]] = this._color.slice();
this._propValues[this._propNames[1]] = 0.25;
this._propValues[this._propNames[2]] = 0.50;
this._propValues[this._propNames[3]] = 0.75;
this._propValues[this._propNames[4]] = -1;
this._propValues[this._propNames[5]] = 1;
this._propValues[this._propNames[6]] = 0.0;
this._propValues[this._propNames[7]] = 0.9;
this.setProperty = function (prop, value) {
// make sure we have legitimate input
if (this.validateProperty(prop, value)) {
switch (prop) {
case "color": this._propValues[prop] = value.slice(); break;
default: this._propValues[prop] = value; break;
}
this.updateShaderValues();
}
};
///////////////////////////////////////////////////////////////////////
this.exportJSON = function () {
var jObj =
{
'material': this.getShaderName(),
'name': this.getName(),
'color': this._propValues["color"]
};
return jObj;
};
this.importJSON = function (jObj) {
if (this.getShaderName() != jObj.material) throw new Error("ill-formed material");
this.setName(jObj.name);
try {
var color = jObj.color;
this.setProperty("color", color);
}
catch (e) {
throw new Error("could not import material: " + jObj);
}
};
this.update = function (time) {
//var speed = 0.01;
//time *= speed;
this._deltaTime += 0.01;
if (this._shader && this._shader.colorMe) {
var t3 = this._propValues[this._propNames[3]] - this._deltaTime;
if (t3 < 0) {
this._deltaTime = this._propValues[this._propNames[1]] - 1.0;
t3 = this._propValues[this._propNames[3]] - this._deltaTime;
}
var t1 = this._propValues[this._propNames[1]] - this._deltaTime,
t2 = this._propValues[this._propNames[2]] - this._deltaTime;
this._shader.colorMe[this._propNames[1]].set([t1]);
this._shader.colorMe[this._propNames[2]].set([t2]);
this._shader.colorMe[this._propNames[3]].set([t3]);
}
};
this.updateShaderValues = function () {
if (this._shader && this._shader.colorMe) {
var nProps = this._propNames.length;
for (var i = 0; i < nProps; i++) {
var propName = this._propNames[i];
var propValue = this._propValues[propName];
switch (propName) {
case "color": this._shader.colorMe[propName].set(propValue); break;
default: this._shader.colorMe[propName].set([propValue]); break;
}
}
}
};
};
///////////////////////////////////////////////////////////////////////////////////////
// RDGE shader
// shader spec (can also be loaded from a .JSON file, or constructed at runtime)
taperShaderDef = {
'shaders': { // shader files
'defaultVShader': "assets/shaders/Taper.vert.glsl",
'defaultFShader': "assets/shaders/Taper.frag.glsl"
},
'techniques': { // rendering control
'colorMe': [ // simple color pass
{
'vshader': 'defaultVShader',
'fshader': 'defaultFShader',
// attributes
'attributes':
{
'vert': { 'type': 'vec3' },
'normal': { 'type': 'vec3' },
'texcoord': { 'type': 'vec2' }
},
// attributes
'params':
{
'color': { 'type': 'vec4' },
'u_limit1': { 'type': 'float' },
'u_limit2': { 'type': 'float' },
'u_limit3': { 'type': 'float' },
'u_minVal': { 'type': 'float' },
'u_maxVal': { 'type': 'float' },
'u_center': { 'type': 'float' },
'u_taperAmount': { 'type': 'float' }
}
}
]
}
};
|