protected override void OnUpdate()
{
var ltws = GetComponentDataFromEntity <LocalToWorld>(true);
var parents = GetComponentDataFromEntity <Parent>(true);
Entities.ForEach((Entity e, ref PingPongPositions c0, ref Translation c2, ref LocalToParent c3,
in MaterialPropertyIndex c1) => {
var x = c2.Value.x;
if (math.distance(x, c0.Target) <= 0.2f)
{
c0.Target = c0.AdjustedWidth;
}
if (math.distance(x, c0.Target) <= 0.2f)
{
c0.Target = -c0.AdjustedWidth;
}
x = math.lerp(x, c0.Target, Time.DeltaTime);
var matrix = float4x4.TRS(new float3(x, 0, 0), quaternion.identity, new float3(1));
var localSpace = new LocalToParent {
Value = matrix
};
var root = HierarchyUtils.GetRoot(e, parents);
var batch = EntityManager.GetComponentData <MaterialPropertyBatch>(root);
var property = batch.Value[c1.Value];
property.SetVector(ShaderIDConstants.Translation, new float4(localSpace.Position, 0));
c3 = localSpace;
c2 = new Translation {
Value = localSpace.Position
};
}).WithoutBurst().Run();
}
public void Execute(ArchetypeChunk chunk, int index, int entityOffset)
{
var localToParentAcessor = chunk.GetNativeArray(localToParentType);
var animationAcessor = chunk.GetNativeArray(splineAnimationType);
var justSpawnedAcessor = default(NativeArray <JustSpawned>);
if (chunk.Has(justSpawnedType))
{
justSpawnedAcessor = chunk.GetNativeArray(justSpawnedType);
}
for (int i = 0; i < chunk.Count; i++)
{
SplineAnimationSpeed anim = animationAcessor[i];
var elements = elementAcessor[anim.spline];
var segments = segmentAcessor[anim.spline];
if (anim.index >= elements.Length)
{
continue;
}
float move = anim.speed * deltaTime;
if (justSpawnedAcessor.IsCreated)
{
move = anim.speed * justSpawnedAcessor[i].deltaTime;
}
float left;
SplineSegment segment = segments[anim.segIndex];
while (move >= (left = (segment.end - anim.t) / (segment.end - segment.start) * segment.length))
{
move -= left;
if (++anim.segIndex >= segments.Length || segments[anim.segIndex].start == 0)
{
if (anim.isLoop)
{
if (++anim.index >= elements.Length)
{
anim.index = 0;
anim.segIndex = 0;
}
}
else
{
if (++anim.index >= elements.Length - 1)
{
anim.index = elements.Length;
anim.segIndex = 0;
anim.t = 0;
break;
}
}
}
segment = segments[anim.segIndex];
anim.t = segment.start;
}
if (anim.index >= elements.Length)
{
SplineElement last = elements[elements.Length - 1];
localToParentAcessor[i] = new LocalToParent {
Value = math.float4x4(last.rotation, last.point)
};
}
else
{
anim.t += (move / segment.length) * (segment.end - segment.start);
SplineElement start = elements[anim.index];
SplineElement end = anim.index < elements.Length - 1 ? elements[anim.index + 1] : elements[0];
float3 position = Bezier.GetPoint(start.point, start.point + start.forward, end.point + end.backward, end.point, anim.t);
quaternion rotation = math.nlerp(start.rotation, end.rotation, anim.t);
localToParentAcessor[i] = new LocalToParent {
Value = math.float4x4(rotation, position)
};
}
animationAcessor[i] = anim;
}
}
public static float AverageScale(this LocalToParent ltp)
{
var scale = ltp.Scale();
return(math.csum(scale) / 3);
}
public static quaternion LocalRotation(this LocalToParent ltp)
{
return(new quaternion(ltp.Value));
}
public static float3 Scale(this LocalToParent ltp)
{
var m = ltp.Value;
return(new float3(m.c0[0], m.c1[1], m.c2[2]) / m.c3[3]);
}
