ngx-acuw
Version:
Angular components using WEBGL (threejs)
196 lines • 36.1 kB
JavaScript
import { Subject } from 'rxjs';
import { Euler, Quaternion } from 'three';
import { Object3D, Vector2 } from 'three';
import { RxjsTween } from '../tween/rxjs-tween';
export class ObjectControls {
constructor(rendererDom, object, touchArea) {
// ============= Private Properties =============
this.isUserInteracting = false;
this.restoringAnimationOngoing = false;
this.restoringOriginPosTimeout = 0;
this.userInteracted = false;
this.userInteractedSubject = new Subject();
// ============= Public Properties =============
this.rotationSpeed = 1;
this.verticalRotation = true;
this.horizontalRotation = true;
this.autoRotationY = false;
this.autoRotationX = false;
this.autoRotationZ = false;
this.restoreOriginPosition = false;
this.autoRotationSpeed = 0.002;
this.userInteracted$ = this.userInteractedSubject.asObservable();
this.controlsEnabled = true;
/****************** MOUSE interaction functions - desktop *****/
/**
* Prepares everything, when the mouse is clicked
* @param e mouse event
*/
this.mouseDown = (e) => {
// Ignore mouse down interaction, if the controls are not enabled
// Ignore mouse down interaction, if the restoration animation is ongoing
if (this.controlsEnabled === false || this.restoringAnimationOngoing === true)
return;
// Reset restoration animation timout
window.clearTimeout(this.restoringOriginPosTimeout);
this.isUserInteracting = true;
this.startDraggingPosition = new Vector2(0, 0);
this.startDraggingPosition.set(e.offsetX, e.offsetY);
this.touchArea.addEventListener('pointermove', this.mouseMove, false);
this.touchArea.addEventListener('pointerup', this.mouseUp, false);
};
/**
* Calculates the x and y rotation of the object depending on the mouse movement
* @param e MouseEvent
*/
this.mouseMove = (e) => {
// Ignore mouse movement interaction, if the controls are not enabled
// Ignore mouse movement interaction, if the restoration animation is ongoing
if (this.controlsEnabled === false || this.restoringAnimationOngoing)
return;
if (this.isUserInteracting) {
if (this.userInteracted == false) {
this.userInteracted = true;
this.userInteractedSubject.next(this.userInteracted);
}
const deltaMove = new Vector2(e.offsetX - this.startDraggingPosition.x, e.offsetY - this.startDraggingPosition.y);
this.startDraggingPosition.set(e.offsetX, e.offsetY);
const rotationX = this.verticalRotation == true ? (deltaMove.x * Math.PI / 180 * this.rotationSpeed) : 0;
const rotationY = this.horizontalRotation == true ? (deltaMove.y * Math.PI / 180 * this.rotationSpeed) : 0;
var deltaRotationQuaternion = new Quaternion().setFromEuler(new Euler(rotationY, rotationX, 0, 'XYZ'));
this.obj.quaternion.multiplyQuaternions(deltaRotationQuaternion, this.obj.quaternion);
//console.log(`rotX: ${Math.round(THREE.MathUtils.radToDeg(this.obj.rotation.x))}, rotY: ${Math.round(THREE.MathUtils.radToDeg(this.obj.rotation.y))}, rotZ: ${Math.round(THREE.MathUtils.radToDeg(this.obj.rotation.z))}`);
}
};
this.mouseUp = () => {
// Ignore mouse movement interaction, if the controls are not enabled
// Ignore mouse up interaction, if the restoration animation is ongoing
if (this.controlsEnabled === false || this.restoringAnimationOngoing)
return;
this.resetMousePosition();
this.isUserInteracting = false;
if (this.restoreOriginPosition)
this.restoreOriginalPosition();
this.touchArea.removeEventListener('mousemove', this.mouseMove, false);
this.touchArea.removeEventListener('mouseup', this.mouseUp, false);
};
/****************** TOUCH interaction functions - mobile *****/
this.onTouchStart = (e) => {
// Ignore mouse movement interaction, if the controls are not enabled
// Ignore touch start interaction, if the restoration animation is ongoing
if (this.controlsEnabled === false || this.restoringAnimationOngoing)
return;
// Reset restoration animation timout
window.clearTimeout(this.restoringOriginPosTimeout);
//e.preventDefault();
this.isUserInteracting = true;
this.restoringAnimationOngoing = false;
this.startDraggingPosition.set(e.touches[0].pageX, e.touches[0].pageY);
};
this.onTouchMove = (e) => {
// Ignore mouse movement interaction, if the controls are not enabled
// Ignore mouse move interaction, if the restoration animation is ongoing
if (this.controlsEnabled === false || this.restoringAnimationOngoing)
return;
//e.preventDefault();
if (this.isUserInteracting && !this.restoringAnimationOngoing) {
if (this.userInteracted == false) {
this.userInteracted = true;
this.userInteractedSubject.next(this.userInteracted);
}
const deltaMove = new Vector2(e.touches[0].pageX - this.startDraggingPosition.x, e.touches[0].pageY - this.startDraggingPosition.y);
this.startDraggingPosition.set(e.touches[0].pageX, e.touches[0].pageY);
const rotationX = this.verticalRotation == true ? (deltaMove.x * Math.PI / 180 * this.rotationSpeed) : 0;
const rotationY = this.horizontalRotation == true ? (deltaMove.y * Math.PI / 180 * this.rotationSpeed) : 0;
var deltaRotationQuaternion = new Quaternion().setFromEuler(new Euler(rotationY, rotationX, 0, 'XYZ'));
this.obj.quaternion.multiplyQuaternions(deltaRotationQuaternion, this.obj.quaternion);
}
};
this.onTouchEnd = (e) => {
// Ignore mouse movement interaction, if the controls are not enabled
// Ignore mouse up interaction, if the restoration animation is ongoing
if (this.controlsEnabled === false || this.restoringAnimationOngoing)
return;
//e.preventDefault();
this.isUserInteracting = false;
this.resetMousePosition();
if (this.restoreOriginPosition)
this.restoreOriginalPosition();
};
this.rendererDom = rendererDom;
this.obj = object;
this.touchArea = touchArea != null ? touchArea : this.rendererDom;
this.startDraggingPosition = new Vector2(0, 0);
this.addEventlisteners();
}
// ============= Public Methods =============
/**
* Method, which needs to be called, in case autorotation is used
*/
update() {
if (this.isUserInteracting || this.restoringAnimationOngoing || this.userInteracted)
return;
var rotationY = this.autoRotationY == true ? this.autoRotationSpeed : 0;
var rotationX = this.autoRotationX == true ? this.autoRotationSpeed : 0;
var rorationZ = this.autoRotationZ == true ? this.autoRotationSpeed : 0;
var deltaRotationQuaternion = new Quaternion().setFromEuler(new Euler(rotationX, rotationY, rorationZ, 'XYZ'));
this.obj.quaternion.multiplyQuaternions(deltaRotationQuaternion, this.obj.quaternion);
}
/**
* Removes the event listners
*/
removeEventlisteners() {
// desktop events
this.touchArea.removeEventListener('mousedown', this.mouseDown, false);
this.touchArea.removeEventListener('mousemove', this.mouseMove, false);
this.touchArea.removeEventListener('mouseup', this.mouseUp, false);
// mobile events
this.touchArea.removeEventListener('touchstart', this.onTouchStart, false);
this.touchArea.removeEventListener('touchmove', this.onTouchMove, false);
this.touchArea.removeEventListener('touchend', this.onTouchEnd, false);
}
resetUserInteractionFlag() {
this.userInteracted = false,
this.userInteractedSubject.next(this.userInteracted);
}
// ============= Private Methods =============
/**
* Adds the event listeners
*/
addEventlisteners() {
// desktop events
this.touchArea.addEventListener('mousedown', this.mouseDown, false);
// mobile events
this.touchArea.addEventListener('touchend', this.onTouchEnd, false);
this.touchArea.addEventListener('touchstart', this.onTouchStart, false);
this.touchArea.addEventListener('touchmove', this.onTouchMove, false);
}
/**
* Reset the mouse position to x=0 and y=0
*/
resetMousePosition() {
this.startDraggingPosition.set(0, 0);
}
/**
* Rotates the object to the position 0,0,0 after a some timeout
*/
restoreOriginalPosition() {
this.restoringOriginPosTimeout = window.setTimeout(() => {
var objSet = new Object3D();
objSet.position.set(0, 0, 0);
objSet.rotation.set(0, 0, 0);
RxjsTween.createTween(RxjsTween.linear, [this.obj.position.x, this.obj.position.y, this.obj.position.z], [objSet.position.x, objSet.position.y, objSet.position.z], 1000).subscribe({
next: tweenVal => {
if (this.restoringAnimationOngoing == false)
this.restoringAnimationOngoing = true;
this.obj.rotation.set(tweenVal[0], tweenVal[1], tweenVal[2]);
},
complete: () => {
this.restoringAnimationOngoing = false;
this.resetUserInteractionFlag();
}
});
}, 5000);
}
}
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{ Observable, Subject } from 'rxjs';\r\nimport { Euler, Quaternion } from 'three';\r\nimport { Object3D, Vector2 } from 'three';\r\nimport { RxjsTween } from '../tween/rxjs-tween';\r\n\r\nexport class ObjectControls {\r\n\r\n    // ============= Private Properties =============\r\n    private isUserInteracting: boolean = false;\r\n    private restoringAnimationOngoing: boolean = false;\r\n    private restoringOriginPosTimeout = 0;\r\n    private startDraggingPosition: Vector2;\r\n    private rendererDom: HTMLElement;\r\n    private touchArea: HTMLElement;\r\n    private obj: THREE.Mesh | THREE.Group;\r\n    private userInteracted: boolean = false;\r\n    private userInteractedSubject: Subject<boolean> = new Subject();\r\n\r\n    // ============= Public Properties =============\r\n    rotationSpeed = 1;\r\n    verticalRotation = true;\r\n    horizontalRotation = true;\r\n    autoRotationY = false;\r\n    autoRotationX = false;\r\n    autoRotationZ = false;\r\n    restoreOriginPosition = false;\r\n    autoRotationSpeed = 0.002;\r\n    userInteracted$: Observable<boolean> = this.userInteractedSubject.asObservable();\r\n    controlsEnabled = true;\r\n\r\n    constructor(rendererDom: HTMLElement, object: THREE.Mesh | THREE.Group, touchArea?: HTMLElement) {\r\n        this.rendererDom = rendererDom;\r\n        this.obj = object;\r\n        this.touchArea = touchArea != null ? touchArea : this.rendererDom;\r\n\r\n        this.startDraggingPosition = new Vector2(0, 0);\r\n\r\n        this.addEventlisteners();\r\n    }\r\n\r\n    // ============= Public Methods =============\r\n\r\n    /**\r\n     * Method, which needs to be called, in case autorotation is used\r\n     */\r\n    update(): void {\r\n        if (this.isUserInteracting || this.restoringAnimationOngoing || this.userInteracted) return;\r\n\r\n        var rotationY = this.autoRotationY == true ? this.autoRotationSpeed : 0;\r\n        var rotationX = this.autoRotationX == true ? this.autoRotationSpeed : 0;\r\n        var rorationZ = this.autoRotationZ == true ? this.autoRotationSpeed : 0;\r\n\r\n        var deltaRotationQuaternion = new Quaternion().setFromEuler(new Euler(\r\n            rotationX,\r\n            rotationY,\r\n            rorationZ,\r\n            'XYZ'\r\n        ));\r\n        this.obj.quaternion.multiplyQuaternions(deltaRotationQuaternion, this.obj.quaternion);\r\n    }\r\n\r\n    /**\r\n     * Removes the event listners\r\n     */\r\n    removeEventlisteners(): void {\r\n        // desktop events\r\n        this.touchArea.removeEventListener('mousedown', this.mouseDown, false);\r\n        this.touchArea.removeEventListener('mousemove', this.mouseMove, false);\r\n        this.touchArea.removeEventListener('mouseup', this.mouseUp, false);\r\n        // mobile events\r\n        this.touchArea.removeEventListener('touchstart', this.onTouchStart, false);\r\n        this.touchArea.removeEventListener('touchmove', this.onTouchMove, false);\r\n        this.touchArea.removeEventListener('touchend', this.onTouchEnd, false);\r\n    }\r\n\r\n    resetUserInteractionFlag(): void {\r\n        this.userInteracted = false,\r\n            this.userInteractedSubject.next(this.userInteracted);\r\n    }\r\n\r\n    // ============= Private Methods =============\r\n\r\n    /**\r\n     * Adds the event listeners\r\n     */\r\n    private addEventlisteners(): void {\r\n        // desktop events\r\n        this.touchArea.addEventListener('mousedown', this.mouseDown, false);\r\n        // mobile events\r\n        this.touchArea.addEventListener('touchend', this.onTouchEnd, false);\r\n        this.touchArea.addEventListener('touchstart', this.onTouchStart, false);\r\n        this.touchArea.addEventListener('touchmove', this.onTouchMove, false);\r\n    }\r\n\r\n    /**\r\n     * Reset the mouse position to x=0 and y=0\r\n     */\r\n    private resetMousePosition(): void {\r\n        this.startDraggingPosition.set(0, 0);\r\n    }\r\n\r\n    /******************  MOUSE interaction functions - desktop  *****/\r\n    /**\r\n     * Prepares everything, when the mouse is clicked\r\n     * @param e mouse event\r\n     */\r\n    private mouseDown = (e: MouseEvent) => {\r\n        // Ignore mouse down interaction, if the controls are not enabled\r\n        // Ignore mouse down interaction, if the restoration animation is ongoing\r\n        if (this.controlsEnabled === false || this.restoringAnimationOngoing === true) return;\r\n        // Reset restoration animation timout\r\n        window.clearTimeout(this.restoringOriginPosTimeout);\r\n\r\n        this.isUserInteracting = true;\r\n        this.startDraggingPosition = new Vector2(0, 0);\r\n        this.startDraggingPosition.set(e.offsetX, e.offsetY);\r\n\r\n        this.touchArea.addEventListener('pointermove', this.mouseMove, false);\r\n        this.touchArea.addEventListener('pointerup', this.mouseUp, false);\r\n    }\r\n\r\n    /**\r\n     * Calculates the x and y rotation of the object depending on the mouse movement\r\n     * @param e MouseEvent\r\n     */\r\n    private mouseMove = (e: MouseEvent) => {\r\n        // Ignore mouse movement interaction, if the controls are not enabled\r\n        // Ignore mouse movement interaction, if the restoration animation is ongoing\r\n        if (this.controlsEnabled === false || this.restoringAnimationOngoing) return;\r\n        if (this.isUserInteracting) {\r\n            if (this.userInteracted == false) {\r\n                this.userInteracted = true;\r\n                this.userInteractedSubject.next(this.userInteracted);\r\n            }\r\n\r\n            const deltaMove = new Vector2(\r\n                e.offsetX - this.startDraggingPosition.x,\r\n                e.offsetY - this.startDraggingPosition.y\r\n            );\r\n            this.startDraggingPosition.set(e.offsetX, e.offsetY);\r\n\r\n            const rotationX = this.verticalRotation == true ? (deltaMove.x * Math.PI / 180 * this.rotationSpeed) : 0;\r\n            const rotationY = this.horizontalRotation == true ? (deltaMove.y * Math.PI / 180 * this.rotationSpeed) : 0;\r\n\r\n            var deltaRotationQuaternion = new Quaternion().setFromEuler(new Euler(\r\n                rotationY,\r\n                rotationX,\r\n                0,\r\n                'XYZ'\r\n            ));\r\n\r\n            this.obj.quaternion.multiplyQuaternions(deltaRotationQuaternion, this.obj.quaternion);\r\n\r\n            //console.log(`rotX: ${Math.round(THREE.MathUtils.radToDeg(this.obj.rotation.x))}, rotY: ${Math.round(THREE.MathUtils.radToDeg(this.obj.rotation.y))}, rotZ: ${Math.round(THREE.MathUtils.radToDeg(this.obj.rotation.z))}`);\r\n        }\r\n    }\r\n\r\n    private mouseUp = () => {\r\n        // Ignore mouse movement interaction, if the controls are not enabled\r\n        // Ignore mouse up interaction, if the restoration animation is ongoing\r\n        if (this.controlsEnabled === false || this.restoringAnimationOngoing) return;\r\n        this.resetMousePosition();\r\n        this.isUserInteracting = false;\r\n        if (this.restoreOriginPosition) this.restoreOriginalPosition();\r\n\r\n        this.touchArea.removeEventListener('mousemove', this.mouseMove, false);\r\n        this.touchArea.removeEventListener('mouseup', this.mouseUp, false);\r\n    }\r\n\r\n    /****************** TOUCH interaction functions - mobile  *****/\r\n    private onTouchStart = (e: TouchEvent) => {\r\n        // Ignore mouse movement interaction, if the controls are not enabled\r\n        // Ignore touch start interaction, if the restoration animation is ongoing\r\n        if (this.controlsEnabled === false || this.restoringAnimationOngoing) return;\r\n        // Reset restoration animation timout\r\n        window.clearTimeout(this.restoringOriginPosTimeout);\r\n\r\n        //e.preventDefault();\r\n        this.isUserInteracting = true;\r\n        this.restoringAnimationOngoing = false;\r\n        this.startDraggingPosition.set(\r\n            e.touches[0].pageX, e.touches[0].pageY\r\n        )\r\n    }\r\n\r\n    private onTouchMove = (e: TouchEvent) => {\r\n        // Ignore mouse movement interaction, if the controls are not enabled\r\n        // Ignore mouse move interaction, if the restoration animation is ongoing\r\n        if (this.controlsEnabled === false || this.restoringAnimationOngoing) return;\r\n        //e.preventDefault();\r\n        if (this.isUserInteracting && !this.restoringAnimationOngoing) {\r\n            if (this.userInteracted == false) {\r\n                this.userInteracted = true;\r\n                this.userInteractedSubject.next(this.userInteracted);\r\n            }\r\n\r\n            const deltaMove = new Vector2(\r\n                e.touches[0].pageX - this.startDraggingPosition.x,\r\n                e.touches[0].pageY - this.startDraggingPosition.y\r\n            );\r\n\r\n            this.startDraggingPosition.set(e.touches[0].pageX, e.touches[0].pageY);\r\n\r\n            const rotationX = this.verticalRotation == true ? (deltaMove.x * Math.PI / 180 * this.rotationSpeed) : 0;\r\n            const rotationY = this.horizontalRotation == true ? (deltaMove.y * Math.PI / 180 * this.rotationSpeed) : 0;\r\n\r\n            var deltaRotationQuaternion = new Quaternion().setFromEuler(new Euler(\r\n                rotationY,\r\n                rotationX,\r\n                0,\r\n                'XYZ'\r\n            ));\r\n\r\n            this.obj.quaternion.multiplyQuaternions(deltaRotationQuaternion, this.obj.quaternion);\r\n        }\r\n    }\r\n\r\n    private onTouchEnd = (e: TouchEvent) => {\r\n        // Ignore mouse movement interaction, if the controls are not enabled\r\n        // Ignore mouse up interaction, if the restoration animation is ongoing\r\n        if (this.controlsEnabled === false || this.restoringAnimationOngoing) return;\r\n        //e.preventDefault();\r\n        this.isUserInteracting = false;\r\n        this.resetMousePosition();\r\n        if (this.restoreOriginPosition) this.restoreOriginalPosition();\r\n    }\r\n\r\n    /**\r\n     * Rotates the object to the position 0,0,0 after a some timeout\r\n     */\r\n    private restoreOriginalPosition(): void {\r\n        this.restoringOriginPosTimeout = window.setTimeout(() => {\r\n            var objSet = new Object3D();\r\n            objSet.position.set(0, 0, 0);\r\n            objSet.rotation.set(0, 0, 0);\r\n\r\n            RxjsTween.createTween(RxjsTween.linear, [this.obj.position.x, this.obj.position.y, this.obj.position.z],\r\n                [objSet.position.x, objSet.position.y, objSet.position.z], 1000).subscribe({\r\n                    next: tweenVal => {\r\n                        if (this.restoringAnimationOngoing == false) this.restoringAnimationOngoing = true;\r\n                        this.obj.rotation.set(tweenVal[0], tweenVal[1], tweenVal[2]);\r\n                    },\r\n                    complete: () => {\r\n                        this.restoringAnimationOngoing = false;\r\n                        this.resetUserInteractionFlag();\r\n                    }\r\n                });\r\n        }, 5000);\r\n    }\r\n}\r\n"]}