@babylonjs/core
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JavaScript
import { FlowGraphEventBlock } from "../../flowGraphEventBlock.js";
import { RegisterClass } from "../../../Misc/typeStore.js";
import { _IsDescendantOf } from "../../utils.js";
import { RichTypeAny, RichTypeNumber } from "../../flowGraphRichTypes.js";
/**
* A pointer up event block.
* This block fires when a pointer is released (mouse button up / touch end).
* Optionally filters to a specific mesh via the `targetMesh` input.
*/
export class FlowGraphPointerUpEventBlock extends FlowGraphEventBlock {
/**
* Creates a new FlowGraphPointerUpEventBlock.
* @param config optional configuration
*/
constructor(config) {
super(config);
/** @internal */
this.type = "PointerUp" /* FlowGraphEventType.PointerUp */;
this.targetMesh = this.registerDataInput("targetMesh", RichTypeAny, config?.targetMesh);
this.pointerId = this.registerDataOutput("pointerId", RichTypeNumber);
this.pickedMesh = this.registerDataOutput("pickedMesh", RichTypeAny);
this.pickedPoint = this.registerDataOutput("pickedPoint", RichTypeAny);
}
/** @internal */
_executeEvent(context, pointerInfo) {
const mesh = this.targetMesh.getValue(context);
const pickedMesh = pointerInfo.pickInfo?.pickedMesh;
// If a target mesh is set, only fire when that mesh (or a descendant) is picked.
if (mesh && !(pickedMesh === mesh || (pickedMesh && _IsDescendantOf(pickedMesh, mesh)))) {
return true;
}
this.pointerId.setValue(pointerInfo.event.pointerId, context);
this.pickedMesh.setValue(pickedMesh ?? null, context);
this.pickedPoint.setValue(pointerInfo.pickInfo?.pickedPoint ?? null, context);
this._execute(context);
return !this.config?.stopPropagation;
}
/** @internal */
_preparePendingTasks(_context) {
// no-op
}
/** @internal */
_cancelPendingTasks(_context) {
// no-op
}
/**
* @returns the class name of the block.
*/
getClassName() {
return "FlowGraphPointerUpEventBlock" /* FlowGraphBlockNames.PointerUpEvent */;
}
}
RegisterClass("FlowGraphPointerUpEventBlock" /* FlowGraphBlockNames.PointerUpEvent */, FlowGraphPointerUpEventBlock);
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