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Add RayCast utility to UI controls

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#1952
This commit is contained in:
Wojtek Figat
2024-02-26 16:22:56 +01:00
parent 996a2cb09e
commit f1fe83ca81
16 changed files with 168 additions and 12 deletions
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9
Source/Engine/UI/GUI/CanvasRootControl.cs
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@@ -45,8 +45,9 @@ namespace FlaxEngine.GUI
/// </summary>
/// <param name="ray">The input ray to test (in world-space).</param>
/// <param name="canvasLocation">Output canvas-space local position.</param>
/// <param name="precise">True if perform precise intersection test against the control content (eg. with hit mask or transparency threshold). Otherwise, only simple bounds-check will be performed.</param>
/// <returns>True if canvas intersects with that point, otherwise false.</returns>
public bool Intersects3D(ref Ray ray, out Float2 canvasLocation)
public bool Intersects3D(ref Ray ray, out Float2 canvasLocation, bool precise = false)
{
// Inline bounds calculations (it will reuse world matrix)
var bounds = new OrientedBoundingBox
@@ -67,7 +68,7 @@ namespace FlaxEngine.GUI
Vector3.Transform(ref hitPoint, ref world, out Vector3 localHitPoint);
canvasLocation = new Float2(localHitPoint);
return ContainsPoint(ref canvasLocation);
return ContainsPoint(ref canvasLocation, precise);
}
canvasLocation = Float2.Zero;
@@ -189,9 +190,9 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool ContainsPoint(ref Float2 location)
public override bool ContainsPoint(ref Float2 location, bool precise)
{
return base.ContainsPoint(ref location)
return base.ContainsPoint(ref location, precise)
&& (_canvas.TestCanvasIntersection == null || _canvas.TestCanvasIntersection(ref location));
}