glsl_simple.osgt

#Ascii Scene 
#Version 78 
#Generator OpenSceneGraph 2.9.17 

osg::Group {
  UniqueID 1 
  Name "glsl_simple.osg" 
  DataVariance DYNAMIC 
  UpdateCallback TRUE {
    osg::NodeCallback {
      UniqueID 2 
      DataVariance DYNAMIC 
    }
  }
  StateSet TRUE {
    osg::StateSet {
      UniqueID 3 
      DataVariance STATIC 
      UniformList 3 {
        osg::Uniform {
          UniqueID 4 
          Name "Color1" 
          DataVariance DYNAMIC 
          Type FLOAT_VEC3 
          NumElements 1 
          Elements TRUE ArrayID 1 FloatArray 3 {
            0.5 1 1 
          }
        }
        Value OFF 
        osg::Uniform {
          UniqueID 5 
          Name "Color2" 
          DataVariance DYNAMIC 
          Type FLOAT_VEC3 
          NumElements 1 
          Elements TRUE ArrayID 2 FloatArray 3 {
            1 0.5 0 
          }
        }
        Value OFF 
        osg::Uniform {
          UniqueID 6 
          Name "Sine" 
          DataVariance DYNAMIC 
          Type FLOAT 
          NumElements 1 
          Elements TRUE ArrayID 3 FloatArray 1 {
            0.1 
          }
        }
        Value OFF 
      }
    }
  }
  Children 2 {
    osg::PositionAttitudeTransform {
      UniqueID 7 
      DataVariance DYNAMIC 
      StateSet TRUE {
        osg::StateSet {
          UniqueID 8 
          DataVariance STATIC 
          AttributeList 1 {
            osg::Program {
              UniqueID 9 
              DataVariance STATIC 
              Shaders 2 {
                osg::Shader {
                  UniqueID 10 
                  DataVariance DYNAMIC 
                  Type VERTEX 
                  ShaderSource 6 {
                    "varying vec4 color;" 
                    "void main(void)" 
                    "{" 
                    "    color = gl_Vertex;" 
                    "    gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;" 
                    "}" 
                  }
                }
                osg::Shader {
                  UniqueID 11 
                  DataVariance DYNAMIC 
                  Type FRAGMENT 
                  ShaderSource 1 {
                    "varying vec4 color;void main(void){gl_FragColor = clamp( color, 0.0, 1.0 );}" 
                  }
                }
              }
              GeometryVerticesOut GL_GEOMETRY_VERTICES_OUT_EXT 1 
              GeometryInputType GL_GEOMETRY_INPUT_TYPE_EXT 4 
              GeometryOutputType GL_GEOMETRY_OUTPUT_TYPE_EXT 5 
            }
            Value OFF 
          }
        }
      }
      Children 1 {
        osg::Geode {
          UniqueID 12 
          DataVariance DYNAMIC 
          Drawables 3 {
            osg::ShapeDrawable {
              UniqueID 13 
              DataVariance DYNAMIC 
              StateSet TRUE {
                osg::StateSet {
                  UniqueID 14 
                  DataVariance STATIC 
                  UniformList 1 {
                    osg::Uniform {
                      UniqueID 15 
                      Name "Color1" 
                      DataVariance DYNAMIC 
                      Type FLOAT_VEC3 
                      NumElements 1 
                      Elements TRUE ArrayID 4 FloatArray 3 {
                        0.2 0.8 1 
                      }
                    }
                    Value OFF 
                  }
                }
              }
              Shape TRUE {
                osg::Sphere {
                  UniqueID 16 
                  DataVariance DYNAMIC 
                  Radius 1 
                }
              }
              Color 1 1 1 1 
            }
            osg::ShapeDrawable {
              UniqueID 17 
              DataVariance DYNAMIC 
              StateSet TRUE {
                osg::StateSet {
                  UniqueID 18 
                  DataVariance STATIC 
                  UniformList 1 {
                    osg::Uniform {
                      UniqueID 19 
                      Name "Color1" 
                      DataVariance DYNAMIC 
                      Type FLOAT_VEC3 
                      NumElements 1 
                      Elements TRUE ArrayID 5 FloatArray 3 {
                        0.9 0.2 0.2 
                      }
                    }
                    Value OFF 
                  }
                }
              }
              Shape TRUE {
                osg::Cone {
                  UniqueID 20 
                  DataVariance DYNAMIC 
                  Center 2.2 0 -0.4 
                  Radius 0.9 
                  Height 1.8 
                }
              }
              Color 1 1 1 1 
            }
            osg::ShapeDrawable {
              UniqueID 21 
              DataVariance DYNAMIC 
              StateSet TRUE {
                osg::StateSet {
                  UniqueID 22 
                  DataVariance STATIC 
                  UniformList 1 {
                    osg::Uniform {
                      UniqueID 23 
                      Name "Color1" 
                      DataVariance DYNAMIC 
                      Type FLOAT_VEC3 
                      NumElements 1 
                      Elements TRUE ArrayID 6 FloatArray 3 {
                        0.2 0 0.8 
                      }
                    }
                    Value OFF 
                  }
                }
              }
              Shape TRUE {
                osg::Cylinder {
                  UniqueID 24 
                  DataVariance DYNAMIC 
                  Center 4.4 0 0 
                  Radius 1 
                  Height 1.4 
                }
              }
              Color 1 1 1 1 
            }
          }
        }
      }
      Position 0 -1 0 
      Scale 1 1 1 
    }
    osg::PositionAttitudeTransform {
      UniqueID 25 
      DataVariance DYNAMIC 
      StateSet TRUE {
        osg::StateSet {
          UniqueID 26 
          DataVariance STATIC 
          AttributeList 1 {
            osg::Program {
              UniqueID 27 
              DataVariance STATIC 
              Shaders 2 {
                osg::Shader {
                  UniqueID 28 
                  DataVariance DYNAMIC 
                  Type FRAGMENT 
                  ShaderSource 29 {
                    "// blocky.frag - an OGLSL fragment shader with animation" 
                    "// Mike Weiblen 2003-09-16 : derived from brick.frag" 
                    "// Copyright 2003 3Dlabs Inc." 
                    "// see http://www.3dlabs.com/opengl2/ for more OpenGL Shading Language info." 
                    "// the App updates uniforms \"slowly\" (eg once per frame) for animation." 
                    "uniform float Sine;" 
                    "uniform vec3 Color1;" 
                    "uniform vec3 Color2;" 
                    "// varyings are written by vert shader, interpolated, and read by frag shader." 
                    "varying vec2  BlockPosition;" 
                    "varying float LightIntensity;" 
                    "void main(void)" 
                    "{" 
                    "    vec3 color;" 
                    "    float ss, tt, w, h;" 
                    "    " 
                    "    ss = BlockPosition.x;" 
                    "    tt = BlockPosition.y;" 
                    "    if (fract(tt * 0.5) > 0.5)" 
                    "        ss += 0.5;" 
                    "    ss = fract(ss);" 
                    "    tt = fract(tt);" 
                    "    // animate the proportion of block to mortar" 
                    "    float blockFract = (Sine + 1.1) * 0.4;" 
                    "    w = step(ss, blockFract);" 
                    "    h = step(tt, blockFract);" 
                    "    color = mix(Color2, Color1, w * h) * LightIntensity;" 
                    "    gl_FragColor = vec4 (color, 1.0);" 
                    "}" 
                  }
                }
                osg::Shader {
                  UniqueID 29 
                  DataVariance DYNAMIC 
                  Type VERTEX 
                  ShaderSource 25 {
                    "// blocky.vert - an OGLSL vertex shader with animation" 
                    "// Mike Weiblen 2003-09-16 : derived from brick.vert" 
                    "// Copyright 2003 3Dlabs Inc." 
                    "// see http://www.3dlabs.com/opengl2/ for more OpenGL Shading Language info." 
                    "// the App updates uniforms \"slowly\" (eg once per frame) for animation." 
                    "uniform float Sine;" 
                    "const vec3 LightPosition = vec3(0.0, 0.0, 4.0);" 
                    "const float BlockScale = 0.30;" 
                    "// varyings are written by vert shader, interpolated, and read by frag shader." 
                    "varying float LightIntensity;" 
                    "varying vec2  BlockPosition;" 
                    "void main(void)" 
                    "{" 
                    "    // per-vertex diffuse lighting" 
                    "    vec4 ecPosition	= gl_ModelViewMatrix * gl_Vertex;" 
                    "    vec3 tnorm		= normalize(gl_NormalMatrix * gl_Normal);" 
                    "    vec3 lightVec	= normalize(LightPosition - vec3 (ecPosition));" 
                    "    LightIntensity	= max(dot(lightVec, tnorm), 0.0); " 
                    "    // blocks will be determined by fragment's position on the XZ plane." 
                    "    BlockPosition = gl_Vertex.xz / BlockScale;" 
                    "    // scale the geometry based on an animation variable." 
                    "    vec4 vertex	= gl_Vertex;" 
                    "    vertex.w	= 1.0 + 0.4 * (Sine + 1.0);" 
                    "    gl_Position	= gl_ModelViewProjectionMatrix * vertex;" 
                    "}" 
                  }
                }
              }
              GeometryVerticesOut GL_GEOMETRY_VERTICES_OUT_EXT 1 
              GeometryInputType GL_GEOMETRY_INPUT_TYPE_EXT 4 
              GeometryOutputType GL_GEOMETRY_OUTPUT_TYPE_EXT 5 
            }
            Value OFF 
          }
        }
      }
      Children 1 {
        osg::Geode {
          UniqueID 12 
        }
      }
      Position 0 -1 2.2 
      Scale 1 1 1 
    }
  }
}