/// <summary>
/// Draws the tree's bones as lines. Useful for testing and debugging.
/// </summary>
/// <param name="world">World matrix.</param>
/// <param name="view">View matrix.</param>
/// <param name="projection">Projection matrix.</param>
public void DrawBonesAsLines(Matrix world, Matrix view, Matrix projection)
{
if (skeleton == null)
{
throw new InvalidOperationException("A skeleton must be set before bones can be rendered.");
}
if (leafEffect == null)
{
throw new InvalidOperationException("LeafEffect must be set before leaves can be rendered.");
}
if (skeleton.Bones.Count == 0)
{
return;
}
BoneEffect.World = world;
BoneEffect.View = view;
BoneEffect.Projection = projection;
bool wasDepthBufferOn = device.RenderState.DepthBufferEnable;
device.RenderState.DepthBufferEnable = false;
device.RenderState.AlphaTestEnable = false;
device.RenderState.AlphaBlendEnable = false;
var transforms = new Matrix[skeleton.Bones.Count];
skeleton.CopyAbsoluteBoneTranformsTo(transforms, animationState.BoneRotations);
var vertices = new VertexPositionColor[skeleton.Bones.Count * 2];
for (int i = 0; i < skeleton.Bones.Count; i++)
{
vertices[2 * i] = new VertexPositionColor(transforms[i].Translation, Color.Red);
vertices[2 * i + 1] =
new VertexPositionColor(transforms[i].Translation + transforms[i].Up * skeleton.Bones[i].Length,
Color.Red);
}
BoneEffect.Begin();
foreach (EffectPass pass in BoneEffect.CurrentTechnique.Passes)
{
pass.Begin();
device.DrawUserPrimitives <VertexPositionColor>(PrimitiveType.LineList, vertices, 0, skeleton.Bones.Count);
pass.End();
}
BoneEffect.End();
device.RenderState.DepthBufferEnable = wasDepthBufferOn;
}
/// <summary>
/// Draws the tree's bones as lines. Useful for testing and debugging.
/// </summary>
/// <param name="world">World matrix.</param>
/// <param name="view">View matrix.</param>
/// <param name="projection">Projection matrix.</param>
public void DrawBonesAsLines(Matrix world, Matrix view, Matrix projection)
{
if (skeleton == null)
{
throw new InvalidOperationException("A skeleton must be set before bones can be rendered.");
}
if (leafEffect == null)
{
throw new InvalidOperationException("LeafEffect must be set before leaves can be rendered.");
}
if (skeleton.Bones.Count == 0)
{
return;
}
boneEffect.World = world;
boneEffect.View = view;
boneEffect.Projection = projection;
bool wasDepthBufferOn = device.DepthStencilState.DepthBufferEnable;
device.DepthStencilState = DepthStencilState.None;
device.BlendState = BlendState.Opaque;
Matrix[] transforms = new Matrix[skeleton.Bones.Count];
skeleton.CopyAbsoluteBoneTranformsTo(transforms, animationState.BoneRotations);
VertexPositionColor[] vertices = new VertexPositionColor[skeleton.Bones.Count * 2];
for (int i = 0; i < skeleton.Bones.Count; i++)
{
vertices[2 * i] = new VertexPositionColor(transforms[i].Translation, Color.Red);
vertices[2 * i + 1] = new VertexPositionColor(transforms[i].Translation + transforms[i].Up * skeleton.Bones[i].Length, Color.Red);
}
foreach (EffectPass pass in boneEffect.CurrentTechnique.Passes)
{
pass.Apply();
device.DrawUserPrimitives <VertexPositionColor>(PrimitiveType.LineList, vertices, 0, skeleton.Bones.Count);
}
if (wasDepthBufferOn)
{
device.DepthStencilState = DepthStencilState.Default;
}
}
