@babylonjs/core
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Getting started? Play directly with the Babylon.js API using our [playground](https://playground.babylonjs.com/). It also contains a lot of samples to learn how to use it.
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TypeScript
import type { Observer } from "../Misc/observable.js";
import { Observable } from "../Misc/observable.js";
import type { Nullable } from "../types.js";
import type { PointerInfo } from "../Events/pointerEvents.js";
import { Vector3 } from "../Maths/math.vector.js";
import { Color3 } from "../Maths/math.color.js";
import "../Meshes/Builders/linesBuilder.js";
import type { AbstractMesh } from "../Meshes/abstractMesh.js";
import { Mesh } from "../Meshes/mesh.js";
import type { Node } from "../node.js";
import { PointerDragBehavior } from "../Behaviors/Meshes/pointerDragBehavior.js";
import type { IGizmo } from "./gizmo.js";
import { Gizmo } from "./gizmo.js";
import { UtilityLayerRenderer } from "../Rendering/utilityLayerRenderer.js";
import { StandardMaterial } from "../Materials/standardMaterial.js";
import type { RotationGizmo } from "./rotationGizmo.js";
import { ShaderMaterial } from "../Materials/shaderMaterial.js";
/**
* Interface for plane rotation gizmo
*/
export interface IPlaneRotationGizmo extends IGizmo {
/** Drag behavior responsible for the gizmos dragging interactions */
dragBehavior: PointerDragBehavior;
/** Drag distance in babylon units that the gizmo will snap to when dragged */
snapDistance: number;
/** Sensitivity factor for dragging */
sensitivity: number;
/**
* Event that fires each time the gizmo snaps to a new location.
* * snapDistance is the change in distance
*/
onSnapObservable: Observable<{
snapDistance: number;
}>;
/** Accumulated relative angle value for rotation on the axis. */
angle: number;
/** If the gizmo is enabled */
isEnabled: boolean;
/** Default material used to render when gizmo is not disabled or hovered */
coloredMaterial: StandardMaterial;
/** Material used to render when gizmo is hovered with mouse */
hoverMaterial: StandardMaterial;
/** Color used to render the drag angle sector when gizmo is rotated with mouse */
rotationColor: Color3;
/** Material used to render when gizmo is disabled. typically grey. */
disableMaterial: StandardMaterial;
}
/**
* Single plane rotation gizmo
*/
export declare class PlaneRotationGizmo extends Gizmo implements IPlaneRotationGizmo {
/**
* Drag behavior responsible for the gizmos dragging interactions
*/
dragBehavior: PointerDragBehavior;
protected _pointerObserver: Nullable<Observer<PointerInfo>>;
/**
* Rotation distance in radians that the gizmo will snap to (Default: 0)
*/
snapDistance: number;
/**
* Event that fires each time the gizmo snaps to a new location.
* * snapDistance is the change in distance
*/
onSnapObservable: Observable<{
snapDistance: number;
}>;
/**
* The maximum angle between the camera and the rotation allowed for interaction
* If a rotation plane appears 'flat', a lower value allows interaction.
*/
static MaxDragAngle: number;
/**
* Accumulated relative angle value for rotation on the axis. Reset to 0 when a dragStart occurs
*/
angle: number;
/**
* Custom sensitivity value for the drag strength
*/
sensitivity: number;
/** Default material used to render when gizmo is not disabled or hovered */
get coloredMaterial(): StandardMaterial;
/** Material used to render when gizmo is hovered with mouse */
get hoverMaterial(): StandardMaterial;
/** Color used to render the drag angle sector when gizmo is rotated with mouse */
set rotationColor(color: Color3);
/** Material used to render when gizmo is disabled. typically grey. */
get disableMaterial(): StandardMaterial;
protected _isEnabled: boolean;
protected _parent: Nullable<RotationGizmo>;
protected _coloredMaterial: StandardMaterial;
protected _hoverMaterial: StandardMaterial;
protected _disableMaterial: StandardMaterial;
protected _gizmoMesh: Mesh;
protected _rotationDisplayPlane: Mesh;
protected _dragging: boolean;
protected _angles: Vector3;
protected static _RotationGizmoVertexShader: string;
protected static _RotationGizmoFragmentShader: string;
protected _rotationShaderMaterial: ShaderMaterial;
/**
* Creates a PlaneRotationGizmo
* @param planeNormal The normal of the plane which the gizmo will be able to rotate on
* @param color The color of the gizmo
* @param gizmoLayer The utility layer the gizmo will be added to
* @param tessellation Amount of tessellation to be used when creating rotation circles
* @param parent
* @param useEulerRotation Use and update Euler angle instead of quaternion
* @param thickness display gizmo axis thickness
* @param hoverColor The color of the gizmo when hovering over and dragging
* @param disableColor The Color of the gizmo when its disabled
*/
constructor(planeNormal: Vector3, color?: Color3, gizmoLayer?: UtilityLayerRenderer, tessellation?: number, parent?: Nullable<RotationGizmo>, useEulerRotation?: boolean, thickness?: number, hoverColor?: Color3, disableColor?: Color3);
/**
* @internal
* Create Geometry for Gizmo
* @param parentMesh
* @param thickness
* @param tessellation
* @returns
*/
protected _createGizmoMesh(parentMesh: AbstractMesh, thickness: number, tessellation: number): {
rotationMesh: Mesh;
collider: Mesh;
};
protected _attachedNodeChanged(value: Nullable<Node>): void;
/**
* If the gizmo is enabled
*/
set isEnabled(value: boolean);
get isEnabled(): boolean;
/**
* Disposes of the gizmo
*/
dispose(): void;
}