public static List <Runtime.Node> CreatePlaneWithSkinB()
{
var colorInner = new Vector4(0.8f, 0.8f, 0.8f, 1.0f);
var colorOuter = new Vector4(0.0f, 0.0f, 1.0f, 1.0f);
var nodeInnerPrism = new Runtime.Node
{
Name = "innerPrism",
Skin = new Runtime.Skin()
{
Name = "innerPrismSkinB",
},
Mesh = Mesh.CreatePrism(colorInner),
};
var nodeOuterPrism = new Runtime.Node
{
Name = "outerPrism",
Skin = new Runtime.Skin()
{
Name = "outerPrismSkinB",
},
Mesh = Mesh.CreatePrism(colorOuter, Scale: new Vector3(1.6f, 1.6f, 0.3f)),
};
Matrix4x4 rotation = Matrix4x4.CreateFromYawPitchRoll(0.0f, FloatMath.ConvertDegreesToRadians(90.0f), 0.0f);
var translationVectorJoint1 = new Vector3(0.0f, 0.0f, -0.6f);
var translationVectorJoint0 = new Vector3(0.0f, 0.0f, 0.3f);
Matrix4x4 matrixJoint1 = Matrix4x4.CreateTranslation(translationVectorJoint1);
Matrix4x4 matrixJoint0 = Matrix4x4.CreateTranslation(translationVectorJoint0);
matrixJoint1 = Matrix4x4.Multiply(matrixJoint0, matrixJoint1);
Matrix4x4.Invert(matrixJoint1, out Matrix4x4 invertedJoint1);
Matrix4x4.Invert(matrixJoint0, out Matrix4x4 invertedJoint0);
var nodeJoint1 = new Runtime.Node
{
Name = "joint1",
Translation = translationVectorJoint1,
};
var nodeJoint0 = new Runtime.Node
{
Name = "joint0",
Rotation = Quaternion.CreateFromRotationMatrix(rotation),
Translation = new Vector3(0.0f, -0.3f, 0.0f),
Children = new[]
{
nodeJoint1
},
};
var joint1 = new Runtime.SkinJoint
(
inverseBindMatrix: invertedJoint1,
node: nodeJoint1
);
var joint0 = new Runtime.SkinJoint
(
inverseBindMatrix: invertedJoint0,
node: nodeJoint0
);
nodeInnerPrism.Skin.SkinJoints = new[]
{
joint0,
joint1,
};
nodeOuterPrism.Skin.SkinJoints = new[]
{
joint0,
joint1,
};
var weightsListInnerPrism = new List <List <Runtime.JointWeight> >();
var weightsListOuterPrism = new List <List <Runtime.JointWeight> >();
for (var vertexIndex = 0; vertexIndex < 3; vertexIndex++)
{
var weight = new List <Runtime.JointWeight>()
{
new Runtime.JointWeight
{
Joint = joint0,
Weight = 1,
},
new Runtime.JointWeight
{
Joint = joint1,
Weight = 0,
},
};
weightsListInnerPrism.Add(weight);
weightsListOuterPrism.Add(weight);
}
for (var vertexIndex = 0; vertexIndex < 3; vertexIndex++)
{
var weight = new List <Runtime.JointWeight>()
{
new Runtime.JointWeight
{
Joint = joint0,
Weight = 0,
},
new Runtime.JointWeight
{
Joint = joint1,
Weight = 1,
},
};
weightsListInnerPrism.Add(weight);
weightsListOuterPrism.Add(weight);
}
nodeInnerPrism.Mesh.MeshPrimitives.First().VertexJointWeights = weightsListInnerPrism;
nodeOuterPrism.Mesh.MeshPrimitives.First().VertexJointWeights = weightsListOuterPrism;
return(new List <Runtime.Node>
{
nodeInnerPrism,
nodeJoint0,
nodeOuterPrism
});
}
private static List <Runtime.Node> CreateJointsAndWeightsForCommonRoot(Runtime.Node nodePlane)
{
Matrix4x4 baseRotation = Matrix4x4.CreateFromYawPitchRoll(0.0f, FloatMath.ConvertDegreesToRadians(-90.0f), 0.0f);
Matrix4x4 jointRotation = Matrix4x4.CreateFromYawPitchRoll(0.0f, FloatMath.ConvertDegreesToRadians(-15.0f), 0.0f);
var translationVectorJoint3 = new Vector3(0.1875f, 0.0f, 0.25f);
var translationVectorJoint2 = new Vector3(-0.1875f, 0.0f, 0.25f);
var translationVectorJoint1 = new Vector3(0.0f, 0.0f, 0.25f);
var translationVectorJoint0 = new Vector3(0.0f, -0.25f, 0.0f);
Matrix4x4 invertedTranslationMatrixJoint3 = Matrix4x4.CreateTranslation(-translationVectorJoint3);
Matrix4x4 invertedTranslationMatrixJoint2 = Matrix4x4.CreateTranslation(-translationVectorJoint2);
var matrixJoint1 = jointRotation;
Matrix4x4.Invert(matrixJoint1, out Matrix4x4 invertedJoint1);
var matrixJoint0 = Matrix4x4.CreateTranslation(new Vector3(0, 0.0f, -0.25f));
Matrix4x4.Invert(matrixJoint0, out Matrix4x4 invertedJoint0);
var nodeJoint3 = new Runtime.Node
{
Name = "joint3",
Rotation = Quaternion.CreateFromRotationMatrix(jointRotation),
Translation = translationVectorJoint3,
};
var nodeJoint2 = new Runtime.Node
{
Name = "joint2",
Rotation = Quaternion.CreateFromRotationMatrix(jointRotation),
Translation = translationVectorJoint2,
};
var nodeJoint1 = new Runtime.Node
{
Name = "joint1",
Rotation = Quaternion.CreateFromRotationMatrix(jointRotation),
Translation = translationVectorJoint1,
Children = new[]
{
nodeJoint2,
nodeJoint3
}
};
var nodeJoint0 = new Runtime.Node
{
Name = "joint0",
Rotation = Quaternion.CreateFromRotationMatrix(baseRotation),
Translation = translationVectorJoint0,
Children = new[]
{
nodeJoint1
}
};
var joint3 = new Runtime.SkinJoint
(
inverseBindMatrix: invertedTranslationMatrixJoint3,
node: nodeJoint3
);
var joint2 = new Runtime.SkinJoint
(
inverseBindMatrix: invertedTranslationMatrixJoint2,
node: nodeJoint2
);
var joint1 = new Runtime.SkinJoint
(
inverseBindMatrix: invertedJoint1,
node: nodeJoint1
);
var joint0 = new Runtime.SkinJoint
(
inverseBindMatrix: invertedJoint0,
node: nodeJoint0
);
nodePlane.Skin.SkinJoints = new[]
{
joint0,
joint1,
joint2,
joint3
};
// Top four vertexes of each arm have a weight for the relevant joint. Otherwise the vertex has a weight from the root
var jointWeights = new List <List <Runtime.JointWeight> >();
// Base of trunk
for (int vertexIndex = 0; vertexIndex < 2; vertexIndex++)
{
jointWeights.Add(new List <Runtime.JointWeight>()
{
new Runtime.JointWeight
{
Joint = joint0,
Weight = 1,
},
new Runtime.JointWeight
{
Joint = joint1,
Weight = 0,
},
new Runtime.JointWeight
{
Joint = joint2,
Weight = 0,
},
new Runtime.JointWeight
{
Joint = joint3,
Weight = 0,
}
});
}
// Top of trunk
for (int vertexIndex = 0; vertexIndex < 3; vertexIndex++)
{
jointWeights.Add(new List <Runtime.JointWeight>()
{
new Runtime.JointWeight
{
Joint = joint0,
Weight = 0,
},
new Runtime.JointWeight
{
Joint = joint1,
Weight = 1,
},
new Runtime.JointWeight
{
Joint = joint2,
Weight = 0,
},
new Runtime.JointWeight
{
Joint = joint3,
Weight = 0,
}
});
}
// Left arm
for (int vertexIndex = 0; vertexIndex < 4; vertexIndex++)
{
jointWeights.Add(new List <Runtime.JointWeight>()
{
new Runtime.JointWeight
{
Joint = joint0,
Weight = 0,
},
new Runtime.JointWeight
{
Joint = joint1,
Weight = 0,
},
new Runtime.JointWeight
{
Joint = joint2,
Weight = 1,
},
new Runtime.JointWeight
{
Joint = joint3,
Weight = 0,
}
});
}
// Right arm
for (int vertexIndex = 0; vertexIndex < 4; vertexIndex++)
{
jointWeights.Add(new List <Runtime.JointWeight>()
{
new Runtime.JointWeight
{
Joint = joint0,
Weight = 0,
},
new Runtime.JointWeight
{
Joint = joint1,
Weight = 0,
},
new Runtime.JointWeight
{
Joint = joint2,
Weight = 0,
},
new Runtime.JointWeight
{
Joint = joint3,
Weight = 1,
}
});
}
nodePlane.Mesh.MeshPrimitives.First().VertexJointWeights = jointWeights;
return(new List <Runtime.Node>
{
nodePlane,
nodeJoint0
});
}