Revision Log

glsl_simple.osg

Revision 6915 (checked in by robert, 2 years ago)	Added shader.vert and fixed path

Line
1	Group {
2	UniqueID Group_0
3	DataVariance DYNAMIC
4	nodeMask 0xffffffff
5	cullingActive TRUE
6	StateSet {
7	DataVariance STATIC
8	rendering_hint DEFAULT_BIN
9	renderBinMode INHERIT
10	Uniform {
11	DataVariance DYNAMIC
12	name "Color1"
13	vec3 0.5 1 1
14	}
15	Uniform {
16	DataVariance DYNAMIC
17	name "Color2"
18	vec3 1 0.5 0
19	}
20	Uniform {
21	DataVariance DYNAMIC
22	name "Sine"
23	float 0.1
24	}
25	}
26	UpdateCallbacks {
27	NodeCallback {
28	DataVariance DYNAMIC
29	}
30	}
31	num_children 2
32	PositionAttitudeTransform {
33	DataVariance DYNAMIC
34	nodeMask 0xffffffff
35	cullingActive TRUE
36	StateSet {
37	DataVariance STATIC
38	rendering_hint DEFAULT_BIN
39	renderBinMode INHERIT
40	Program {
41	UniqueID Program_1
42	DataVariance STATIC
43	num_shaders 2
44	Shader {
45	DataVariance DYNAMIC
46	type VERTEX
47	file shaders/shader.vert
48	}
49	Shader {
50	DataVariance DYNAMIC
51	type FRAGMENT
52	code {
53	"varying vec4 color;void main(void){gl_FragColor = clamp( color, 0.0, 1.0 );}"
54	}
55	}
56	}
57	}
58	referenceFrame RELATIVE
59	position 0 -1 0
60	attitude 0 0 0 1
61	scale 1 1 1
62	pivotPoint 0 0 0
63	num_children 1
64	Geode {
65	UniqueID Geode_2
66	DataVariance DYNAMIC
67	nodeMask 0xffffffff
68	cullingActive TRUE
69	num_drawables 3
70	ShapeDrawable {
71	DataVariance DYNAMIC
72	StateSet {
73	DataVariance STATIC
74	rendering_hint DEFAULT_BIN
75	renderBinMode INHERIT
76	Uniform {
77	DataVariance DYNAMIC
78	name "Color1"
79	vec3 0.2 0.8 1.0
80	}
81	}
82	Sphere {
83	DataVariance DYNAMIC
84	Center 0 0 0
85	Radius 1
86	}
87	useDisplayList TRUE
88	useVertexBufferObjects FALSE
89	color 1 1 1 1
90	}
91	ShapeDrawable {
92	DataVariance DYNAMIC
93	StateSet {
94	DataVariance STATIC
95	rendering_hint DEFAULT_BIN
96	renderBinMode INHERIT
97	Uniform {
98	DataVariance DYNAMIC
99	name "Color1"
100	vec3 0.9 0.2 0.2
101	}
102	}
103	Cone {
104	DataVariance DYNAMIC
105	Center 2.2 0 -0.4
106	Radius 0.9
107	Height 1.8
108	Rotation 0 0 0 1
109	}
110	useDisplayList TRUE
111	useVertexBufferObjects FALSE
112	color 1 1 1 1
113	}
114	ShapeDrawable {
115	DataVariance DYNAMIC
116	StateSet {
117	DataVariance STATIC
118	rendering_hint DEFAULT_BIN
119	renderBinMode INHERIT
120	Uniform {
121	DataVariance DYNAMIC
122	name "Color1"
123	vec3 0.2 0 0.8
124	}
125	}
126	Cylinder {
127	DataVariance DYNAMIC
128	Center 4.4 0 0
129	Radius 1
130	Height 1.4
131	Rotation 0 0 0 1
132	}
133	useDisplayList TRUE
134	useVertexBufferObjects FALSE
135	color 1 1 1 1
136	}
137	}
138	}
139	PositionAttitudeTransform {
140	DataVariance DYNAMIC
141	nodeMask 0xffffffff
142	cullingActive TRUE
143	StateSet {
144	DataVariance STATIC
145	rendering_hint DEFAULT_BIN
146	renderBinMode INHERIT
147	Program {
148	UniqueID Program_3
149	DataVariance STATIC
150	num_shaders 2
151	Shader {
152	DataVariance DYNAMIC
153	type FRAGMENT
154	code {
155	"// blocky.frag - an OGLSL fragment shader with animation"
156	"// Mike Weiblen 2003-09-16 : derived from brick.frag"
157	"// Copyright 2003 3Dlabs Inc."
158	"// see http://www.3dlabs.com/opengl2/ for more OpenGL Shading Language info."
159	""
160	""
161	"// the App updates uniforms \"slowly\" (eg once per frame) for animation."
162	"uniform float Sine;"
163	"uniform vec3 Color1;"
164	"uniform vec3 Color2;"
165	""
166	"// varyings are written by vert shader, interpolated, and read by frag shader."
167	"varying vec2 BlockPosition;"
168	"varying float LightIntensity;"
169	""
170	"void main(void)"
171	"{"
172	" vec3 color;"
173	" float ss, tt, w, h;"
174	" "
175	" ss = BlockPosition.x;"
176	" tt = BlockPosition.y;"
177	""
178	" if (fract(tt * 0.5) > 0.5)"
179	" ss += 0.5;"
180	""
181	" ss = fract(ss);"
182	" tt = fract(tt);"
183	""
184	" // animate the proportion of block to mortar"
185	" float blockFract = (Sine + 1.1) * 0.4;"
186	""
187	" w = step(ss, blockFract);"
188	" h = step(tt, blockFract);"
189	""
190	" color = mix(Color2, Color1, w * h) * LightIntensity;"
191	" gl_FragColor = vec4 (color, 1.0);"
192	"}"
193	""
194	}
195	}
196	Shader {
197	DataVariance DYNAMIC
198	type VERTEX
199	code {
200	"// blocky.vert - an OGLSL vertex shader with animation"
201	"// Mike Weiblen 2003-09-16 : derived from brick.vert"
202	"// Copyright 2003 3Dlabs Inc."
203	"// see http://www.3dlabs.com/opengl2/ for more OpenGL Shading Language info."
204	""
205	""
206	"// the App updates uniforms \"slowly\" (eg once per frame) for animation."
207	"uniform float Sine;"
208	""
209	"const vec3 LightPosition = vec3(0.0, 0.0, 4.0);"
210	"const float BlockScale = 0.30;"
211	""
212	"// varyings are written by vert shader, interpolated, and read by frag shader."
213	"varying float LightIntensity;"
214	"varying vec2 BlockPosition;"
215	""
216	"void main(void)"
217	"{"
218	" // per-vertex diffuse lighting"
219	" vec4 ecPosition = gl_ModelViewMatrix * gl_Vertex;"
220	" vec3 tnorm = normalize(gl_NormalMatrix * gl_Normal);"
221	" vec3 lightVec = normalize(LightPosition - vec3 (ecPosition));"
222	" LightIntensity = max(dot(lightVec, tnorm), 0.0); "
223	""
224	" // blocks will be determined by fragment's position on the XZ plane."
225	" BlockPosition = gl_Vertex.xz / BlockScale;"
226	""
227	" // scale the geometry based on an animation variable."
228	" vec4 vertex = gl_Vertex;"
229	" vertex.w = 1.0 + 0.4 * (Sine + 1.0);"
230	""
231	" gl_Position = gl_ModelViewProjectionMatrix * vertex;"
232	"}"
233	""
234	}
235	}
236	}
237	}
238	referenceFrame RELATIVE
239	position 0 -1 2.2
240	attitude 0 0 0 1
241	scale 1 1 1
242	pivotPoint 0 0 0
243	num_children 1
244	Use Geode_2
245	}
246	}

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