public mat4[] GetBoneMatrixes()
{
mat4[] result = null;
EZMAnimation animation = this.animation;
if (animation == null)
{
result = DefaultBoneMatrixes();
}
else
{
if (this.firstRun)
{
lastTime = DateTime.Now;
this.firstRun = false;
}
DateTime now = DateTime.Now;
var deltaTime = now.Subtract(this.lastTime).TotalSeconds;
float frameDuration = animation.duration / animation.FrameCount;
if (deltaTime + passedTime > frameDuration)
{
this.currentFrame = (this.currentFrame + 1) % animation.FrameCount;
passedTime = deltaTime - frameDuration;
}
this.currentFrame = 0;
this.lastTime = now;
result = new mat4[animation.AnimTracks.Length];
foreach (EZMAnimTrack animTrack in animation.AnimTracks)
{
EZMBoneState animState = animTrack.States[this.currentFrame];
EZMBone bone = animTrack.Bone;
bone.state = animState;
}
EZMBone rootBone = this.ezmMesh.Skeleton.OrderedBones[0];
mat4 inverse = glm.inverse(rootBone.OriginalState.matrix);
foreach (EZMBone bone in this.ezmMesh.Skeleton.OrderedBones)
{
EZMBone parent = bone.Parent;
if (parent == null)
{
bone.combinedMat = bone.state.matrix;
}
else
{
bone.combinedMat = parent.combinedMat * bone.state.matrix;
}
}
for (int i = 0; i < result.Length; i++)
{
EZMAnimTrack animTrack = animation.AnimTracks[i];
EZMBone bone = animTrack.Bone;
result[i] = bone.combinedMat * bone.offsetMat;
}
}
return(result);
}
private vec3[] GetPositions(EZMBone[] bones)
{
var positions = new vec3[bones.Length];
for (int i = 0; i < bones.Length; i++)
{
EZMBone bone = bones[i];
positions[i] = new vec3(bone.combinedMat * new vec4(0, 0, 0, 1));
}
return(positions);
}
private vec3[] GetPositions(EZMBone[] bones)
{
var list = new List <vec3>();
for (uint i = 0; i < bones.Length; i++)
{
EZMBone bone = bones[i];
EZMBone parent = bone.Parent;
if (parent != null)
{
// a line from parent to child.
list.Add(new vec3(parent.combinedMat * new vec4(0, 0, 0, 1)));
list.Add(new vec3(bone.combinedMat * new vec4(0, 0, 0, 1)));
}
}
return(list.ToArray());
}
private vec3[] GetColors(EZMBone[] bones)
{
var list = new List <vec3>();
for (uint i = 0; i < bones.Length; i++)
{
EZMBone bone = bones[i];
EZMBone parent = bone.Parent;
if (parent != null)
{
// a line from parent to child.
list.Add(new vec3(1, 0, 0));
list.Add(new vec3(1, 1, 1));
}
}
return(list.ToArray());
}
