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Add spline points tangents gizmos and debug drawing

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This commit is contained in:
Wojtek Figat
2021-01-27 15:29:33 +01:00
parent bd93e46624
commit 9cdbbf590a
1 changed files with 76 additions and 2 deletions
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78
Source/Editor/SceneGraph/Actors/SplineNode.cs
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@@ -17,6 +17,11 @@ namespace FlaxEditor.SceneGraph.Actors
public unsafe SplinePointNode(SplineNode node, Guid id, int index)
: base(node, id, index)
{
var g = (JsonSerializer.GuidInterop*)&id;
g->D++;
AddChild(new SplinePointTangentNode(node, id, index, true));
g->D++;
AddChild(new SplinePointTangentNode(node, id, index, false));
}
public override bool CanBeSelectedDirectly => true;
@@ -47,12 +52,81 @@ namespace FlaxEditor.SceneGraph.Actors
{
var actor = (Spline)_node.Actor;
var pos = actor.GetSplinePoint(Index);
var tangentIn = actor.GetSplineTangent(Index, true).Translation;
var tangentOut = actor.GetSplineTangent(Index, false).Translation;
// Draw spline path
ParentNode.OnDebugDraw(data);
// Draw selected point highlight
DebugDraw.DrawSphere(new BoundingSphere(pos, 5.0f), Color.Yellow, 0, false);
// Draw tangent points
if (tangentIn != pos)
{
DebugDraw.DrawLine(pos, tangentIn, Color.White.AlphaMultiplied(0.6f), 0, false);
DebugDraw.DrawWireSphere(new BoundingSphere(tangentIn, 4.0f), Color.White, 0, false);
}
if (tangentIn != pos)
{
DebugDraw.DrawLine(pos, tangentOut, Color.White.AlphaMultiplied(0.6f), 0, false);
DebugDraw.DrawWireSphere(new BoundingSphere(tangentOut, 4.0f), Color.White, 0, false);
}
}
}
private sealed class SplinePointTangentNode : ActorChildNode
{
private SplineNode _node;
private int _index;
private bool _isIn;
public SplinePointTangentNode(SplineNode node, Guid id, int index, bool isIn)
: base(id, isIn ? 0 : 1)
{
_node = node;
_index = index;
_isIn = isIn;
}
public override Transform Transform
{
get
{
var actor = (Spline)_node.Actor;
return actor.GetSplineTangent(_index, _isIn);
}
set
{
var actor = (Spline)_node.Actor;
actor.SetSplineTangent(_index, value, _isIn);
}
}
public override bool RayCastSelf(ref RayCastData ray, out float distance, out Vector3 normal)
{
var actor = (Spline)_node.Actor;
var pos = actor.GetSplineTangent(_index, _isIn).Translation;
normal = -ray.Ray.Direction;
return new BoundingSphere(pos, 7.0f).Intersects(ref ray.Ray, out distance);
}
public override void OnDebugDraw(ViewportDebugDrawData data)
{
// Draw spline and spline point
ParentNode.OnDebugDraw(data);
// Draw selected tangent highlight
var actor = (Spline)_node.Actor;
var pos = actor.GetSplineTangent(_index, _isIn).Translation;
DebugDraw.DrawSphere(new BoundingSphere(pos, 5.0f), Color.YellowGreen, 0, false);
}
public override void OnDispose()
{
_node = null;
base.OnDispose();
}
}
@@ -81,10 +155,10 @@ namespace FlaxEditor.SceneGraph.Actors
// Add new points
var id = ID;
var g = (JsonSerializer.GuidInterop*)&id;
g->D += (uint)srcCount;
g->D += (uint)srcCount * 3;
while (srcCount < dstCount)
{
g->D += 1;
g->D += 3;
AddChildNode(new SplinePointNode(this, id, srcCount++));
}
}