pixelplanet/src/controls/VoxelPainterControls.js

1050 lines
29 KiB
JavaScript

/**
* Original from OrbitControl of the three.js package from
*
* @author qiao / https://github.com/qiao
* @author mrdoob / http://mrdoob.com
* @author alteredq / http://alteredqualia.com/
* @author WestLangley / http://github.com/WestLangley
* @author erich666 / http://erichaines.com
* @author ScieCode / http://github.com/sciecode
*
* Changes for smooth key movement from
*
* @author hf / http://github.com/pixelplanetdev
*/
/* eslint-disable no-console */
import {
EventDispatcher,
MOUSE,
Quaternion,
Spherical,
TOUCH,
Vector2,
Vector3,
} from 'three';
import {
onViewFinishChange,
setViewCoordinates,
} from '../actions';
import {
THREE_CANVAS_HEIGHT,
} from '../core/constants';
// This set of controls performs orbiting, dollying (zooming),
// and panning and smooth moving by keys.
//
// Orbit - left mouse / touch: one-finger move
// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish
// Pan - right mouse, or left mouse + ctrl/meta/shiftKey,
// or arrow keys / touch: two-finger move
class VoxelPainterControls extends EventDispatcher {
constructor(object, domElement, store) {
super();
// eslint-disable-next-line max-len
if (domElement === undefined) console.warn('THREE.VoxelPainterControls: The second parameter "domElement" is now mandatory.');
// eslint-disable-next-line max-len
if (domElement === document) console.error('THREE.VoxelPainterControls: "document" should not be used as the target "domElement". Please use "renderer.domElement" instead.');
this.object = object;
this.domElement = domElement;
this.store = store;
// Set to false to disable this control
this.enabled = true;
// "target" sets the location of focus, where the object orbits around
this.target = new Vector3();
// How far you can dolly in and out ( PerspectiveCamera only )
this.minDistance = 0;
this.maxDistance = Infinity;
// How far you can zoom in and out ( OrthographicCamera only )
this.minZoom = 0;
this.maxZoom = Infinity;
// How far you can orbit vertically, upper and lower limits.
// Range is 0 to Math.PI radians.
this.minPolarAngle = 0; // radians
this.maxPolarAngle = Math.PI; // radians
// How far you can orbit horizontally, upper and lower limits.
// If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].
this.minAzimuthAngle = -Infinity; // radians
this.maxAzimuthAngle = Infinity; // radians
// Set to true to enable damping (inertia)
// If damping is enabled, you must call controls.update() in your animation loop
this.enableDamping = false;
this.dampingFactor = 0.05;
// This option actually enables dollying in and out; left as "zoom" for backwards compatibility.
// Set to false to disable zooming
this.enableZoom = true;
this.zoomSpeed = 1.0;
// Set to false to disable rotating
this.enableRotate = true;
this.rotateSpeed = 1.0;
// Set to false to disable panning
this.enablePan = true;
this.panSpeed = 1.0;
this.screenSpacePanning = true; // if true, pan in screen-space
this.keyPanSpeed = 20.0; // pixels moved per arrow key push
// Set to true to automatically rotate around the target
// If auto-rotate is enabled, you must call controls.update() in your animation loop
this.autoRotate = false;
this.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60
// Mouse buttons
this.mouseButtons = {
LEFT: MOUSE.ROTATE,
MIDDLE: MOUSE.DOLLY,
RIGHT: MOUSE.PAN,
};
// Touch fingers
this.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };
// for reset
this.target0 = this.target.clone();
this.position0 = this.object.position.clone();
this.zoom0 = this.object.zoom;
//
// internals
//
const scope = this;
const changeEvent = { type: 'change' };
const startEvent = { type: 'start' };
const endEvent = { type: 'end' };
const STATE = {
NONE: -1,
ROTATE: 0,
DOLLY: 1,
PAN: 2,
TOUCH_ROTATE: 3,
TOUCH_PAN: 4,
TOUCH_DOLLY_PAN: 5,
TOUCH_DOLLY_ROTATE: 6,
};
let state = STATE.NONE;
const EPS = 0.000001;
// current position in spherical coordinates
const spherical = new Spherical();
const sphericalDelta = new Spherical();
this.moveLeft = false;
this.moveRight = false;
this.moveForward = false;
this.moveBackward = false;
this.moveUp = false;
this.moveDown = false;
let scale = 1;
const panOffset = new Vector3();
let zoomChanged = false;
const rotateStart = new Vector2();
const rotateEnd = new Vector2();
const rotateDelta = new Vector2();
const panStart = new Vector2();
const panEnd = new Vector2();
const panDelta = new Vector2();
const dollyStart = new Vector2();
const dollyEnd = new Vector2();
const dollyDelta = new Vector2();
function getAutoRotationAngle() {
return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;
}
function getZoomScale() {
return 0.95 ** scope.zoomSpeed;
}
function rotateLeft(angle) {
sphericalDelta.theta -= angle;
}
function rotateUp(angle) {
sphericalDelta.phi -= angle;
}
const v = new Vector3();
const panLeft = (distance, objectMatrix) => {
v.setFromMatrixColumn(objectMatrix, 0); // get X column of objectMatrix
v.multiplyScalar(-distance);
panOffset.add(v);
};
const panUp = (distance, objectMatrix) => {
if (scope.screenSpacePanning === true) {
v.setFromMatrixColumn(objectMatrix, 1);
} else {
v.setFromMatrixColumn(objectMatrix, 0);
v.crossVectors(scope.object.up, v);
}
v.multiplyScalar(distance);
panOffset.add(v);
};
// deltaX and deltaY are in pixels; right and down are positive
const pan = (deltaX, deltaY) => {
const element = scope.domElement;
if (scope.object.isPerspectiveCamera) {
// perspective
const { position } = scope.object;
v.copy(position).sub(scope.target);
let targetDistance = v.length();
// half of the fov is center to top of screen
targetDistance *= Math.tan((scope.object.fov / 2) * Math.PI / 180.0);
// we use only clientHeight here so aspect ratio does not distort speed
panLeft(
2 * deltaX * targetDistance / element.clientHeight,
scope.object.matrix,
);
panUp(
2 * deltaY * targetDistance / element.clientHeight,
scope.object.matrix,
);
} else if (scope.object.isOrthographicCamera) {
// orthographic
panLeft(
// eslint-disable-next-line max-len
deltaX * (scope.object.right - scope.object.left) / scope.object.zoom / element.clientWidth,
scope.object.matrix,
);
panUp(
// eslint-disable-next-line max-len
deltaY * (scope.object.top - scope.object.bottom) / scope.object.zoom / element.clientHeight,
scope.object.matrix,
);
} else {
// camera neither orthographic nor perspective
// eslint-disable-next-line max-len
console.warn('WARNING: VoxelPainterControls.js encountered an unknown camera type - pan disabled.');
scope.enablePan = false;
}
};
function dollyIn(dollyScale) {
if (scope.object.isPerspectiveCamera) {
scale /= dollyScale;
} else if (scope.object.isOrthographicCamera) {
scope.object.zoom = Math.max(
scope.minZoom,
Math.min(scope.maxZoom, scope.object.zoom * dollyScale),
);
scope.object.updateProjectionMatrix();
zoomChanged = true;
} else {
// eslint-disable-next-line max-len
console.warn('WARNING: VoxelPainterControls.js encountered an unknown camera type - dolly/zoom disabled.');
scope.enableZoom = false;
}
}
function dollyOut(dollyScale) {
if (scope.object.isPerspectiveCamera) {
scale *= dollyScale;
} else if (scope.object.isOrthographicCamera) {
scope.object.zoom = Math.max(
scope.minZoom,
Math.min(scope.maxZoom, scope.object.zoom / dollyScale),
);
scope.object.updateProjectionMatrix();
zoomChanged = true;
} else {
// eslint-disable-next-line max-len
console.warn('WARNING: VoxelPainterControls.js encountered an unknown camera type - dolly/zoom disabled.');
scope.enableZoom = false;
}
}
//
// event callbacks - update the object state
//
function handleMouseDownRotate(event) {
rotateStart.set(event.clientX, event.clientY);
}
function handleMouseDownDolly(event) {
dollyStart.set(event.clientX, event.clientY);
}
function handleMouseDownPan(event) {
panStart.set(event.clientX, event.clientY);
}
function handleMouseMoveRotate(event) {
rotateEnd.set(event.clientX, event.clientY);
rotateDelta
.subVectors(rotateEnd, rotateStart)
.multiplyScalar(scope.rotateSpeed);
const element = scope.domElement;
rotateLeft(Math.PI * rotateDelta.x / element.clientHeight); // yes, height
rotateUp(Math.PI * rotateDelta.y / element.clientHeight);
rotateStart.copy(rotateEnd);
scope.update();
}
function handleMouseMoveDolly(event) {
dollyEnd.set(event.clientX, event.clientY);
dollyDelta.subVectors(dollyEnd, dollyStart);
if (dollyDelta.y > 0) {
dollyIn(getZoomScale());
} else if (dollyDelta.y < 0) {
dollyOut(getZoomScale());
}
dollyStart.copy(dollyEnd);
scope.update();
}
function handleMouseMovePan(event) {
panEnd.set(event.clientX, event.clientY);
panDelta.subVectors(panEnd, panStart).multiplyScalar(scope.panSpeed);
pan(panDelta.x, panDelta.y);
panStart.copy(panEnd);
scope.update();
}
function handleMouseUp(/* event */) {
// no-op
}
function handleMouseWheel(event) {
if (event.deltaY < 0) {
dollyOut(getZoomScale());
} else if (event.deltaY > 0) {
dollyIn(getZoomScale());
}
scope.update();
}
function handleTouchStartRotate(event) {
if (event.touches.length === 1) {
rotateStart.set(event.touches[0].pageX, event.touches[0].pageY);
} else {
const x = 0.5 * (event.touches[0].pageX + event.touches[1].pageX);
const y = 0.5 * (event.touches[0].pageY + event.touches[1].pageY);
rotateStart.set(x, y);
}
}
function handleTouchStartPan(event) {
if (event.touches.length === 1) {
panStart.set(event.touches[0].pageX, event.touches[0].pageY);
} else {
const x = 0.5 * (event.touches[0].pageX + event.touches[1].pageX);
const y = 0.5 * (event.touches[0].pageY + event.touches[1].pageY);
panStart.set(x, y);
}
}
function handleTouchStartDolly(event) {
const dx = event.touches[0].pageX - event.touches[1].pageX;
const dy = event.touches[0].pageY - event.touches[1].pageY;
const distance = Math.sqrt(dx * dx + dy * dy);
dollyStart.set(0, distance);
}
function handleTouchStartDollyPan(event) {
if (scope.enableZoom) handleTouchStartDolly(event);
if (scope.enablePan) handleTouchStartPan(event);
}
function handleTouchStartDollyRotate(event) {
if (scope.enableZoom) handleTouchStartDolly(event);
if (scope.enableRotate) handleTouchStartRotate(event);
}
function handleTouchMoveRotate(event) {
if (event.touches.length === 1) {
rotateEnd.set(event.touches[0].pageX, event.touches[0].pageY);
} else {
const x = 0.5 * (event.touches[0].pageX + event.touches[1].pageX);
const y = 0.5 * (event.touches[0].pageY + event.touches[1].pageY);
rotateEnd.set(x, y);
}
rotateDelta.subVectors(rotateEnd, rotateStart)
.multiplyScalar(scope.rotateSpeed);
const element = scope.domElement;
rotateLeft(2 * Math.PI * rotateDelta.x / element.clientHeight);
rotateUp(2 * Math.PI * rotateDelta.y / element.clientHeight);
rotateStart.copy(rotateEnd);
}
function handleTouchMovePan(event) {
if (event.touches.length === 1) {
panEnd.set(event.touches[0].pageX, event.touches[0].pageY);
} else {
const x = 0.5 * (event.touches[0].pageX + event.touches[1].pageX);
const y = 0.5 * (event.touches[0].pageY + event.touches[1].pageY);
panEnd.set(x, y);
}
panDelta.subVectors(panEnd, panStart).multiplyScalar(scope.panSpeed);
pan(panDelta.x, panDelta.y);
panStart.copy(panEnd);
}
function handleTouchMoveDolly(event) {
const dx = event.touches[0].pageX - event.touches[1].pageX;
const dy = event.touches[0].pageY - event.touches[1].pageY;
const distance = Math.sqrt(dx * dx + dy * dy);
dollyEnd.set(0, distance);
dollyDelta.set(0, (dollyEnd.y / dollyStart.y) ** scope.zoomSpeed);
dollyIn(dollyDelta.y);
dollyStart.copy(dollyEnd);
}
function handleTouchMoveDollyPan(event) {
if (scope.enableZoom) handleTouchMoveDolly(event);
if (scope.enablePan) handleTouchMovePan(event);
}
function handleTouchMoveDollyRotate(event) {
if (scope.enableZoom) handleTouchMoveDolly(event);
if (scope.enableRotate) handleTouchMoveRotate(event);
}
function handleTouchEnd(/* event */) {
// no-op
}
//
// event handlers - FSM: listen for events and reset state
//
//
function onDocumentKeyDown(event) {
if (scope.enabled === false) return;
// ignore key presses if modal is open or chat is used
if (event.target.nodeName === 'INPUT'
|| event.target.nodeName === 'TEXTAREA'
) {
return;
}
switch (event.keyCode) {
case 38: // up
case 87: // w
scope.moveForward = true;
break;
case 37: // left
case 65: // a
scope.moveLeft = true;
break;
case 40: // down
case 83: // s
scope.moveBackward = true;
break;
case 39: // right
case 68: // d
scope.moveRight = true;
break;
case 69: // E
scope.moveUp = true;
break;
case 67: // C
scope.moveDown = true;
break;
default:
break;
}
}
function onDocumentKeyUp(event) {
if (scope.enabled === false) return;
// ignore key presses if modal is open or chat is used
if (event.target.nodeName === 'INPUT'
|| event.target.nodeName === 'TEXTAREA'
) {
return;
}
switch (event.keyCode) {
case 38: // up
case 87: // w
scope.moveForward = false;
break;
case 37: // left
case 65: // a
scope.moveLeft = false;
break;
case 40: // down
case 83: // s
scope.moveBackward = false;
break;
case 39: // right
case 68: // d
scope.moveRight = false;
break;
case 69: // E
scope.moveUp = false;
break;
case 67: // C
scope.moveDown = false;
break;
default:
break;
}
}
function onMouseMove(event) {
if (scope.enabled === false) return;
event.preventDefault();
switch (state) {
case STATE.ROTATE:
handleMouseMoveRotate(event);
break;
case STATE.DOLLY:
handleMouseMoveDolly(event);
break;
case STATE.PAN:
handleMouseMovePan(event);
break;
default:
break;
}
}
function onMouseUp(event) {
if (scope.enabled === false) return;
handleMouseUp(event);
document.removeEventListener('mousemove', onMouseMove, false);
document.removeEventListener('mouseup', onMouseUp, false);
scope.dispatchEvent(endEvent);
state = STATE.NONE;
}
function onMouseWheel(event) {
if (scope.enabled === false
|| scope.enableZoom === false
|| (state !== STATE.NONE
&& state !== STATE.ROTATE)
) return;
event.preventDefault();
event.stopPropagation();
scope.dispatchEvent(startEvent);
handleMouseWheel(event);
scope.dispatchEvent(endEvent);
}
function onTouchStart(event) {
if (scope.enabled === false) return;
event.preventDefault();
switch (event.touches.length) {
case 1:
switch (scope.touches.ONE) {
case TOUCH.ROTATE:
if (scope.enableRotate === false) return;
handleTouchStartRotate(event);
state = STATE.TOUCH_ROTATE;
break;
case TOUCH.PAN:
if (scope.enablePan === false) return;
handleTouchStartPan(event);
state = STATE.TOUCH_PAN;
break;
default:
state = STATE.NONE;
}
break;
case 2:
switch (scope.touches.TWO) {
case TOUCH.DOLLY_PAN:
if (scope.enableZoom === false
&& scope.enablePan === false
) return;
handleTouchStartDollyPan(event);
state = STATE.TOUCH_DOLLY_PAN;
break;
case TOUCH.DOLLY_ROTATE:
if (scope.enableZoom === false
&& scope.enableRotate === false
) return;
handleTouchStartDollyRotate(event);
state = STATE.TOUCH_DOLLY_ROTATE;
break;
default:
state = STATE.NONE;
}
break;
default:
state = STATE.NONE;
}
if (state !== STATE.NONE) {
scope.dispatchEvent(startEvent);
}
}
function onTouchMove(event) {
if (scope.enabled === false) return;
event.preventDefault();
event.stopPropagation();
switch (state) {
case STATE.TOUCH_ROTATE:
if (scope.enableRotate === false) return;
handleTouchMoveRotate(event);
scope.update();
break;
case STATE.TOUCH_PAN:
if (scope.enablePan === false) return;
handleTouchMovePan(event);
scope.update();
break;
case STATE.TOUCH_DOLLY_PAN:
if (scope.enableZoom === false && scope.enablePan === false) return;
handleTouchMoveDollyPan(event);
scope.update();
break;
case STATE.TOUCH_DOLLY_ROTATE:
if (scope.enableZoom === false
&& scope.enableRotate === false) return;
handleTouchMoveDollyRotate(event);
scope.update();
break;
default:
state = STATE.NONE;
}
}
function onTouchEnd(event) {
if (scope.enabled === false) return;
handleTouchEnd(event);
scope.dispatchEvent(endEvent);
state = STATE.NONE;
}
function onContextMenu(event) {
if (scope.enabled === false) return;
event.preventDefault();
}
function onMouseDown(event) {
if (scope.enabled === false) return;
// Prevent the browser from scrolling.
event.preventDefault();
// Manually set the focus since calling preventDefault above
// prevents the browser from setting it automatically.
if (scope.domElement.focus) {
scope.domElement.focus();
} else {
window.focus();
}
let mouseAction;
switch (event.button) {
case 0:
mouseAction = scope.mouseButtons.LEFT;
break;
case 1:
mouseAction = scope.mouseButtons.MIDDLE;
break;
case 2:
mouseAction = scope.mouseButtons.RIGHT;
break;
default:
mouseAction = -1;
}
switch (mouseAction) {
case MOUSE.DOLLY:
handleMouseDownDolly(event);
state = STATE.DOLLY;
break;
case MOUSE.ROTATE:
if (event.ctrlKey || event.metaKey) {
handleMouseDownPan(event);
state = STATE.PAN;
} else {
handleMouseDownRotate(event);
state = STATE.ROTATE;
}
break;
case MOUSE.PAN:
if (event.ctrlKey || event.metaKey) {
handleMouseDownRotate(event);
state = STATE.ROTATE;
} else {
handleMouseDownPan(event);
state = STATE.PAN;
}
break;
default:
state = STATE.NONE;
}
if (state !== STATE.NONE) {
document.addEventListener('mousemove', onMouseMove, false);
document.addEventListener('mouseup', onMouseUp, false);
scope.dispatchEvent(startEvent);
}
}
scope.domElement.addEventListener('contextmenu', onContextMenu, false);
scope.domElement.addEventListener('mousedown', onMouseDown, false);
scope.domElement.addEventListener('wheel', onMouseWheel, false);
document.addEventListener('keydown', onDocumentKeyDown, false);
document.addEventListener('keyup', onDocumentKeyUp, false);
scope.domElement.addEventListener('touchstart', onTouchStart, false);
scope.domElement.addEventListener('touchend', onTouchEnd, false);
scope.domElement.addEventListener('touchmove', onTouchMove, false);
// make sure element can receive keys.
if (scope.domElement.tabIndex === -1) {
scope.domElement.tabIndex = 0;
}
//
// public methods
//
this.getPolarAngle = () => spherical.phi;
this.getAzimuthalAngle = () => spherical.theta;
this.saveState = () => {
scope.target0.copy(scope.target);
scope.position0.copy(scope.object.position);
scope.zoom0 = scope.object.zoom;
};
this.reset = () => {
scope.target.copy(scope.target0);
scope.object.position.copy(scope.position0);
scope.object.zoom = scope.zoom0;
scope.object.updateProjectionMatrix();
scope.dispatchEvent(changeEvent);
scope.update();
state = STATE.NONE;
};
this.setView = (view) => {
if (view.length !== 3) {
return;
}
scope.target.set(...view);
};
// this method is exposed, but perhaps it would be better if we can make it private...
this.update = (() => {
const offset = new Vector3();
// so camera.up is the orbit axis
const quat = new Quaternion()
.setFromUnitVectors(object.up, new Vector3(0, 1, 0));
const quatInverse = quat.clone().inverse();
const lastPosition = new Vector3();
const lastQuaternion = new Quaternion();
// const rotationFinishThreshold = Math.PI / 180 / 4;
let updateTime = Date.now();
const direction = new Vector3();
const velocity = new Vector3();
let prevTime = Date.now();
const vec = new Vector3();
return function update() {
const time = Date.now();
const delta = (time - prevTime) / 1000.0;
velocity.x -= velocity.x * 40.0 * delta;
velocity.y -= velocity.y * 40.0 * delta;
velocity.z -= velocity.z * 40.0 * delta;
const length = velocity.length();
if (length < 1 || length > 10) {
velocity.set(0, 0, 0);
}
const {
moveRight,
moveLeft,
moveUp,
moveDown,
moveForward,
moveBackward,
} = scope;
direction.x = Number(moveRight) - Number(moveLeft);
direction.y = Number(moveUp) - Number(moveDown);
direction.z = Number(moveForward) - Number(moveBackward);
direction.normalize();
if (moveLeft || moveRight) {
velocity.x -= direction.x * 1000.0 * delta;
}
if (moveUp || moveDown) {
velocity.y -= direction.y * 1000.0 * delta;
}
if (moveForward || moveBackward) {
velocity.z -= direction.z * 500.0 * delta;
}
vec.setFromMatrixColumn(scope.object.matrix, 0);
vec.crossVectors(scope.object.up, vec);
vec.multiplyScalar(-velocity.z * delta);
vec.y += -velocity.y * delta;
panOffset.add(vec);
vec.setFromMatrixColumn(scope.object.matrix, 0);
vec.multiplyScalar(-velocity.x * delta);
panOffset.add(vec);
prevTime = time;
const { position } = scope.object;
offset.copy(position).sub(scope.target);
// rotate offset to "y-axis-is-up" space
offset.applyQuaternion(quat);
// angle from z-axis around y-axis
spherical.setFromVector3(offset);
if (scope.autoRotate && state === STATE.NONE) {
rotateLeft(getAutoRotationAngle());
}
if (scope.enableDamping) {
spherical.theta += sphericalDelta.theta * scope.dampingFactor;
spherical.phi += sphericalDelta.phi * scope.dampingFactor;
} else {
spherical.theta += sphericalDelta.theta;
spherical.phi += sphericalDelta.phi;
}
// restrict theta to be between desired limits
spherical.theta = Math.max(
scope.minAzimuthAngle,
Math.min(scope.maxAzimuthAngle, spherical.theta),
);
// restrict phi to be between desired limits
spherical.phi = Math.max(
scope.minPolarAngle,
Math.min(scope.maxPolarAngle, spherical.phi),
);
spherical.makeSafe();
spherical.radius *= scale;
// restrict radius to be between desired limits
spherical.radius = Math.max(
scope.minDistance,
Math.min(scope.maxDistance, spherical.radius),
);
// move target to panned location
if (panOffset.length() > 1000) {
panOffset.set(0, 0, 0);
}
if (scope.enableDamping === true) {
scope.target.addScaledVector(panOffset, scope.dampingFactor);
} else {
scope.target.add(panOffset);
}
/*
if (scope.target.y < 10.0) {
scope.target.y = 10.0;
}
*/
// clamp to boundaries
const reduxState = scope.store.getState();
const { canvasSize } = reduxState.canvas;
const bound = canvasSize / 2;
scope.target.clamp({
x: -bound,
y: 10,
z: -bound,
}, {
x: bound,
y: THREE_CANVAS_HEIGHT,
z: bound,
});
offset.setFromSpherical(spherical);
// rotate offset back to "camera-up-vector-is-up" space
offset.applyQuaternion(quatInverse);
position.copy(scope.target).add(offset);
scope.object.lookAt(scope.target);
if (scope.enableDamping === true) {
sphericalDelta.theta *= (1 - scope.dampingFactor);
sphericalDelta.phi *= (1 - scope.dampingFactor);
panOffset.multiplyScalar(1 - scope.dampingFactor);
if (panOffset.length() < 0.2 && panOffset.length() !== 0.0) {
panOffset.set(0, 0, 0);
scope.store.dispatch(setViewCoordinates(scope.target.toArray()));
scope.store.dispatch(onViewFinishChange());
} else if (panOffset.length() !== 0.0) {
const curTime = Date.now();
if (curTime > updateTime + 500) {
updateTime = curTime;
scope.store.dispatch(setViewCoordinates(scope.target.toArray()));
scope.store.dispatch(onViewFinishChange());
}
}
/*
if (Math.abs(sphericalDelta.theta) < rotationFinishThreshold
&& sphericalDelta.theta != 0.0
&& Math.abs(sphericalDelta.phi) < rotationFinishThreshold
&& sphericalDelta.phi != 0.0) {
sphericalDelta.set(0, 0, 0);
console.log(`rotation finished`);
}
*/
} else {
sphericalDelta.set(0, 0, 0);
panOffset.set(0, 0, 0);
}
scale = 1;
// update condition is:
// min(camera displacement, camera rotation in radians)^2 > EPS
// using small-angle approximation cos(x/2) = 1 - x^2 / 8
if (zoomChanged
|| lastPosition.distanceToSquared(scope.object.position) > EPS
|| 8 * (1 - lastQuaternion.dot(scope.object.quaternion)) > EPS) {
scope.dispatchEvent(changeEvent);
lastPosition.copy(scope.object.position);
lastQuaternion.copy(scope.object.quaternion);
zoomChanged = false;
return true;
}
return false;
};
})();
this.dispose = () => {
scope.domElement.removeEventListener('contextmenu', onContextMenu, false);
scope.domElement.removeEventListener('mousedown', onMouseDown, false);
scope.domElement.removeEventListener('wheel', onMouseWheel, false);
scope.domElement.removeEventListener('touchstart', onTouchStart, false);
scope.domElement.removeEventListener('touchend', onTouchEnd, false);
scope.domElement.removeEventListener('touchmove', onTouchMove, false);
document.removeEventListener('mousemove', onMouseMove, false);
document.removeEventListener('mouseup', onMouseUp, false);
document.removeEventListener('keydown', onDocumentKeyDown, false);
document.removeEventListener('keyup', onDocumentKeyUp, false);
// scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?
};
this.update();
}
}
// VoxelPainterControls.prototype = Object.create(EventDispatcher.prototype);
// VoxelPainterControls.prototype.constructor = VoxelPainterControls;
export default VoxelPainterControls;