/// <summary>
/// Initializes a new instance of the <see cref="Bone" /> class.
/// </summary>
/// <param name="data">The data.</param>
/// <param name="parent">May be null.</param>
/// <exception cref="System.ArgumentNullException">data cannot be null.</exception>
public Bone(BoneData data, Bone parent)
{
if (data == null)
{
throw new ArgumentNullException("data cannot be null.");
}
this.Data = data;
this.Parent = parent;
this.SetToBindPose();
}
/// <summary>
/// Initializes a new instance of the <see cref="Slot" /> class.
/// </summary>
/// <param name="data">The data.</param>
/// <param name="skeleton">The skeleton.</param>
/// <param name="bone">The bone.</param>
/// <exception cref="System.ArgumentNullException">data cannot be null.</exception>
public Slot(SlotData data, Skeleton skeleton, Bone bone)
{
if (data == null)
{
throw new ArgumentNullException("data cannot be null.");
}
if (skeleton == null)
{
throw new ArgumentNullException("skeleton cannot be null.");
}
if (bone == null)
{
throw new ArgumentNullException("bone cannot be null.");
}
this.Data = data;
Skeleton = skeleton;
Bone = bone;
this.SetToBindPose();
}
/// <summary>
/// Updates the vertices.
/// </summary>
/// <param name="bone">The bone.</param>
public void UpdateVertices(Bone bone)
{
float x = bone.WorldX;
float y = bone.WorldY;
float m00 = bone.M00;
float m01 = bone.M01;
float m10 = bone.M10;
float m11 = bone.M11;
float[] vertices = this.Vertices;
float[] offset = this.Offset;
vertices[X1] = (offset[X1] * m00) + (offset[Y1] * m01) + x;
vertices[Y1] = (offset[X1] * m10) + (offset[Y1] * m11) + y;
vertices[X2] = (offset[X2] * m00) + (offset[Y2] * m01) + x;
vertices[Y2] = (offset[X2] * m10) + (offset[Y2] * m11) + y;
vertices[X3] = (offset[X3] * m00) + (offset[Y3] * m01) + x;
vertices[Y3] = (offset[X3] * m10) + (offset[Y3] * m11) + y;
vertices[X4] = (offset[X4] * m00) + (offset[Y4] * m01) + x;
vertices[Y4] = (offset[X4] * m10) + (offset[Y4] * m11) + y;
}