public void Draw(Skeleton skeleton)
{
var skeletonX = skeleton.X;
var skeletonY = skeleton.Y;
var bones = skeleton.Bones;
if (DrawBones)
{
renderer.SetColor(boneLineColor);
for (int i = 0, n = bones.Count; i < n; i++)
{
var bone = bones.Items[i];
if (bone.Parent == null)
{
continue;
}
var x = bone.Data.Length * bone.A + bone.WorldX;
var y = bone.Data.Length * bone.C + bone.WorldY;
renderer.Line(bone.WorldX, bone.WorldY, x, y);
}
if (DrawSkeletonXY)
{
renderer.X(skeletonX, skeletonY, 4);
}
}
if (DrawRegionAttachments)
{
renderer.SetColor(attachmentLineColor);
var slots = skeleton.Slots;
for (int i = 0, n = slots.Count; i < n; i++)
{
var slot = slots.Items[i];
var attachment = slot.Attachment;
if (attachment is RegionAttachment)
{
var regionAttachment = (RegionAttachment)attachment;
var vertices = this.vertices;
regionAttachment.ComputeWorldVertices(slot.Bone, vertices, 0, 2);
renderer.Line(vertices[0], vertices[1], vertices[2], vertices[3]);
renderer.Line(vertices[2], vertices[3], vertices[4], vertices[5]);
renderer.Line(vertices[4], vertices[5], vertices[6], vertices[7]);
renderer.Line(vertices[6], vertices[7], vertices[0], vertices[1]);
}
}
}
if (DrawMeshHull || DrawMeshTriangles)
{
var slots = skeleton.Slots;
for (int i = 0, n = slots.Count; i < n; i++)
{
var slot = slots.Items[i];
var attachment = slot.Attachment;
if (!(attachment is MeshAttachment))
{
continue;
}
var mesh = (MeshAttachment)attachment;
var world = vertices = vertices.Length < mesh.WorldVerticesLength ? new float[mesh.WorldVerticesLength] : vertices;
mesh.ComputeWorldVertices(slot, 0, mesh.WorldVerticesLength, world, 0, 2);
int[] triangles = mesh.Triangles;
var hullLength = mesh.HullLength;
if (DrawMeshTriangles)
{
renderer.SetColor(triangleLineColor);
for (int ii = 0, nn = triangles.Count(); ii < nn; ii += 3)
{
int v1 = triangles[ii] * 2, v2 = triangles[ii + 1] * 2, v3 = triangles[ii + 2] * 2;
renderer.Triangle(world[v1], world[v1 + 1], //
world[v2], world[v2 + 1], //
world[v3], world[v3 + 1] //
);
}
}
if (DrawMeshHull && hullLength > 0)
{
renderer.SetColor(attachmentLineColor);
hullLength = (hullLength >> 1) * 2;
float lastX = vertices[hullLength - 2], lastY = vertices[hullLength - 1];
for (int ii = 0, nn = hullLength; ii < nn; ii += 2)
{
float x = vertices[ii], y = vertices[ii + 1];
renderer.Line(x, y, lastX, lastY);
lastX = x;
lastY = y;
}
}
}
}
if (DrawBoundingBoxes)
{
var bounds = this.bounds;
bounds.Update(skeleton, true);
renderer.SetColor(aabbColor);
renderer.Rect(bounds.MinX, bounds.MinY, bounds.Width, bounds.Height);
var polygons = bounds.Polygons;
var boxes = bounds.BoundingBoxes;
for (int i = 0, n = polygons.Count; i < n; i++)
{
var polygon = polygons.Items[i];
renderer.Polygon(polygon.Vertices, 0, polygon.Count);
}
}
if (DrawBones)
{
renderer.SetColor(boneOriginColor);
for (int i = 0, n = bones.Count; i < n; i++)
{
var bone = bones.Items[i];
renderer.Circle(bone.WorldX, bone.WorldY, 3);
}
}
if (DrawClipping)
{
var slots = skeleton.Slots;
renderer.SetColor(clipColor);
for (int i = 0, n = slots.Count; i < n; i++)
{
var slot = slots.Items[i];
var attachment = slot.Attachment;
if (!(attachment is ClippingAttachment))
{
continue;
}
var clip = (ClippingAttachment)attachment;
var nn = clip.WorldVerticesLength;
var world = vertices = vertices.Length < nn ? new float[nn] : vertices;
clip.ComputeWorldVertices(slot, 0, nn, world, 0, 2);
ExposedList <float> clippingPolygon = new ExposedList <float>();
for (int ii = 0; ii < nn; ii += 2)
{
var x = world[ii];
var y = world[ii + 1];
var x2 = world[(ii + 2) % nn];
var y2 = world[(ii + 3) % nn];
renderer.Line(x, y, x2, y2);
clippingPolygon.Add(x);
clippingPolygon.Add(y);
}
if (DrawClippingDecomposed)
{
SkeletonClipping.MakeClockwise(clippingPolygon);
var triangles = triangulator.Triangulate(clippingPolygon);
var clippingPolygons = triangulator.Decompose(clippingPolygon, triangles);
renderer.SetColor(clipDecomposedColor);
foreach (var polygon in clippingPolygons)
{
SkeletonClipping.MakeClockwise(polygon);
polygon.Add(polygon.Items[0]);
polygon.Add(polygon.Items[1]);
renderer.Polygon(polygon.Items, 0, polygon.Count >> 1);
}
}
}
}
}