/// <summary>
/// Constructor
/// </summary>
public SkinnedGame()
{
// XNA startup
graphics = new GraphicsDeviceManager(this);
Content.RootDirectory = "Content";
// Some basic setup for the display window
this.IsMouseVisible = true;
this.Window.AllowUserResizing = true;
this.graphics.PreferredBackBufferWidth = 1024;
this.graphics.PreferredBackBufferHeight = 768;
// Create a simple mouse-based camera
camera = new Camera(graphics);
camera.Eye = new Vector3(190, 247, 387);
camera.Center = new Vector3(-20, 86, 159);
}
/// <summary>
/// Draw the model
/// </summary>
/// <param name="graphics">The graphics device to draw on</param>
/// <param name="camera">A camera to determine the view</param>
/// <param name="world">A world matrix to place the model</param>
public void Draw(GraphicsDevice graphics, Camera camera, Matrix world)
{
if (model == null)
return;
//
// Compute all of the bone absolute transforms
//
Matrix[] boneTransforms = new Matrix[bones.Count];
for (int i = 0; i < bones.Count; i++)
{
Bone bone = bones[i];
bone.ComputeAbsoluteTransform();
boneTransforms[i] = bone.AbsoluteTransform;
}
//
// Determine the skin transforms from the skeleton
//
Matrix[] skeleton = new Matrix[modelExtra.Skeleton.Count];
for (int s = 0; s < modelExtra.Skeleton.Count; s++)
{
Bone bone = bones[modelExtra.Skeleton[s]];
skeleton[s] = bone.SkinTransform * bone.AbsoluteTransform;
}
// Draw the model.
foreach (ModelMesh modelMesh in model.Meshes)
{
foreach (Effect effect in modelMesh.Effects)
{
if (effect is BasicEffect)
{
BasicEffect beffect = effect as BasicEffect;
beffect.World = boneTransforms[modelMesh.ParentBone.Index] * world;
beffect.View = camera.View;
beffect.Projection = camera.Projection;
beffect.EnableDefaultLighting();
beffect.PreferPerPixelLighting = true;
}
if (effect is SkinnedEffect)
{
SkinnedEffect seffect = effect as SkinnedEffect;
seffect.World = boneTransforms[modelMesh.ParentBone.Index] * world;
seffect.View = camera.View;
seffect.Projection = camera.Projection;
seffect.EnableDefaultLighting();
seffect.PreferPerPixelLighting = true;
seffect.SetBoneTransforms(skeleton);
}
}
modelMesh.Draw();
}
}
