polygonjs-engine
Version:
node-based webgl 3D engine https://polygonjs.com
701 lines (700 loc) • 23.7 kB
JavaScript
import {EventDispatcher as EventDispatcher2} from "three/src/core/EventDispatcher";
import {MOUSE} from "three/src/constants";
import {Quaternion as Quaternion2} from "three/src/math/Quaternion";
import {Spherical as Spherical2} from "three/src/math/Spherical";
import {TOUCH} from "three/src/constants";
import {Vector2 as Vector22} from "three/src/math/Vector2";
import {Vector3 as Vector32} from "three/src/math/Vector3";
var OrbitControls = function(object, domElement) {
if (domElement === void 0)
console.warn('THREE.OrbitControls: The second parameter "domElement" is now mandatory.');
if (domElement === document)
console.error('THREE.OrbitControls: "document" should not be used as the target "domElement". Please use "renderer.domElement" instead.');
this.object = object;
this.domElement = domElement;
this.enabled = true;
this.target = new Vector32();
this.minDistance = 0;
this.maxDistance = Infinity;
this.minZoom = 0;
this.maxZoom = Infinity;
this.minPolarAngle = 0;
this.maxPolarAngle = Math.PI;
this.minAzimuthAngle = -Infinity;
this.maxAzimuthAngle = Infinity;
this.enableDamping = false;
this.dampingFactor = 0.05;
this.enableZoom = true;
this.zoomSpeed = 1;
this.enableRotate = true;
this.rotateSpeed = 1;
this.enablePan = true;
this.panSpeed = 1;
this.screenSpacePanning = true;
this.keyPanSpeed = 7;
this.autoRotate = false;
this.autoRotateSpeed = 2;
this.enableKeys = true;
this.keyMode = "pan";
this.keyRotateSpeedVertical = 1;
this.keyRotateSpeedHorizontal = 1;
this.keys = {LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40};
this.mouseButtons = {LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN};
this.touches = {ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN};
this.target0 = this.target.clone();
this.position0 = this.object.position.clone();
this.zoom0 = this.object.zoom;
this.getPolarAngle = function() {
return spherical.phi;
};
this.getAzimuthalAngle = function() {
return spherical.theta;
};
this.saveState = function() {
scope.target0.copy(scope.target);
scope.position0.copy(scope.object.position);
scope.zoom0 = scope.object.zoom;
};
this.reset = function() {
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.update = function() {
var offset = new Vector32();
var quat = new Quaternion2().setFromUnitVectors(object.up, new Vector32(0, 1, 0));
var quatInverse = quat.clone().invert();
var lastPosition = new Vector32();
var lastQuaternion = new Quaternion2();
var twoPI = 2 * Math.PI;
var dampingEndEventSent = false;
return function update() {
var position = scope.object.position;
offset.copy(position).sub(scope.target);
offset.applyQuaternion(quat);
spherical.setFromVector3(offset);
if (scope.autoRotate && state === STATE.NONE) {
rotateLeft(getAutoRotationAngle());
}
if (scope.enableDamping) {
const thetaDelta = sphericalDelta.theta * scope.dampingFactor;
const phiDelta = sphericalDelta.phi * scope.dampingFactor;
if (thetaDelta < EPS && phiDelta < EPS) {
if (!dampingEndEventSent) {
scope.dispatchEvent(endEvent);
dampingEndEventSent = true;
}
} else {
dampingEndEventSent = false;
}
spherical.theta += thetaDelta;
spherical.phi += phiDelta;
} else {
spherical.theta += sphericalDelta.theta;
spherical.phi += sphericalDelta.phi;
}
var min = scope.minAzimuthAngle;
var max = scope.maxAzimuthAngle;
if (isFinite(min) && isFinite(max)) {
if (min < -Math.PI)
min += twoPI;
else if (min > Math.PI)
min -= twoPI;
if (max < -Math.PI)
max += twoPI;
else if (max > Math.PI)
max -= twoPI;
if (min < max) {
spherical.theta = Math.max(min, Math.min(max, spherical.theta));
} else {
spherical.theta = spherical.theta > (min + max) / 2 ? Math.max(min, spherical.theta) : Math.min(max, spherical.theta);
}
}
spherical.phi = Math.max(scope.minPolarAngle, Math.min(scope.maxPolarAngle, spherical.phi));
spherical.makeSafe();
spherical.radius *= scale;
spherical.radius = Math.max(scope.minDistance, Math.min(scope.maxDistance, spherical.radius));
if (scope.enableDamping === true) {
scope.target.addScaledVector(panOffset, scope.dampingFactor);
} else {
scope.target.add(panOffset);
}
offset.setFromSpherical(spherical);
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);
} else {
sphericalDelta.set(0, 0, 0);
panOffset.set(0, 0, 0);
}
scale = 1;
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 = function() {
scope.domElement.removeEventListener("contextmenu", onContextMenu, false);
scope.domElement.removeEventListener("pointerdown", onPointerDown, 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);
scope.domElement.ownerDocument.removeEventListener("pointermove", onPointerMove, false);
scope.domElement.ownerDocument.removeEventListener("pointerup", onPointerUp, false);
scope.domElement.removeEventListener("keydown", onKeyDown, false);
};
var scope = this;
var changeEvent = {type: "change"};
var startEvent = {type: "start"};
var endEvent = {type: "end"};
var STATE = {
NONE: -1,
ROTATE: 0,
DOLLY: 1,
PAN: 2,
TOUCH_ROTATE: 3,
TOUCH_PAN: 4,
TOUCH_DOLLY_PAN: 5,
TOUCH_DOLLY_ROTATE: 6
};
var state = STATE.NONE;
var EPS = 1e-6;
var spherical = new Spherical2();
var sphericalDelta = new Spherical2();
var scale = 1;
var panOffset = new Vector32();
var zoomChanged = false;
var rotateStart = new Vector22();
var rotateEnd = new Vector22();
var rotateDelta = new Vector22();
var panStart = new Vector22();
var panEnd = new Vector22();
var panDelta = new Vector22();
var dollyStart = new Vector22();
var dollyEnd = new Vector22();
var dollyDelta = new Vector22();
function getAutoRotationAngle() {
return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;
}
function getZoomScale() {
return Math.pow(0.95, scope.zoomSpeed);
}
function rotateLeft(angle) {
sphericalDelta.theta -= angle;
}
function rotateUp(angle) {
sphericalDelta.phi -= angle;
}
var panLeft = function() {
var v = new Vector32();
return function panLeft2(distance, objectMatrix) {
v.setFromMatrixColumn(objectMatrix, 0);
v.multiplyScalar(-distance);
panOffset.add(v);
};
}();
var panUp = function() {
var v = new Vector32();
return function panUp2(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);
};
}();
var pan = function() {
var offset = new Vector32();
return function pan2(deltaX, deltaY) {
var element = scope.domElement;
if (scope.object.isPerspectiveCamera) {
var position = scope.object.position;
offset.copy(position).sub(scope.target);
var targetDistance = offset.length();
targetDistance *= Math.tan(scope.object.fov / 2 * Math.PI / 180);
panLeft(2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix);
panUp(2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix);
} else if (scope.object.isOrthographicCamera) {
panLeft(deltaX * (scope.object.right - scope.object.left) / scope.object.zoom / element.clientWidth, scope.object.matrix);
panUp(deltaY * (scope.object.top - scope.object.bottom) / scope.object.zoom / element.clientHeight, scope.object.matrix);
} else {
console.warn("WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.");
scope.enablePan = 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 {
console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.");
scope.enableZoom = 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 {
console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.");
scope.enableZoom = false;
}
}
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);
var element = scope.domElement;
rotateLeft(2 * Math.PI * rotateDelta.x / element.clientHeight);
rotateUp(2 * 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) {
dollyOut(getZoomScale());
} else if (dollyDelta.y < 0) {
dollyIn(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() {
}
function handleMouseWheel(event) {
if (event.deltaY < 0) {
dollyIn(getZoomScale());
} else if (event.deltaY > 0) {
dollyOut(getZoomScale());
}
scope.update();
}
function handleKeyDown(event) {
var needsUpdate = false;
if (scope.keyMode == "pan") {
switch (event.keyCode) {
case scope.keys.UP:
pan(0, scope.keyPanSpeed);
needsUpdate = true;
break;
case scope.keys.BOTTOM:
pan(0, -scope.keyPanSpeed);
needsUpdate = true;
break;
case scope.keys.LEFT:
pan(scope.keyPanSpeed, 0);
needsUpdate = true;
break;
case scope.keys.RIGHT:
pan(-scope.keyPanSpeed, 0);
needsUpdate = true;
break;
}
} else {
switch (event.keyCode) {
case scope.keys.UP:
rotateUp(scope.keyRotateSpeedVertical);
needsUpdate = true;
break;
case scope.keys.BOTTOM:
rotateUp(-scope.keyRotateSpeedVertical);
needsUpdate = true;
break;
case scope.keys.LEFT:
rotateLeft(scope.keyRotateSpeedHorizontal);
needsUpdate = true;
break;
case scope.keys.RIGHT:
rotateLeft(-scope.keyRotateSpeedHorizontal);
needsUpdate = true;
break;
}
}
if (needsUpdate) {
event.preventDefault();
scope.update();
}
}
function handleTouchStartRotate(event) {
if (event.touches.length == 1) {
rotateStart.set(event.touches[0].pageX, event.touches[0].pageY);
} else {
var x = 0.5 * (event.touches[0].pageX + event.touches[1].pageX);
var 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 {
var x = 0.5 * (event.touches[0].pageX + event.touches[1].pageX);
var y = 0.5 * (event.touches[0].pageY + event.touches[1].pageY);
panStart.set(x, y);
}
}
function handleTouchStartDolly(event) {
var dx = event.touches[0].pageX - event.touches[1].pageX;
var dy = event.touches[0].pageY - event.touches[1].pageY;
var 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 {
var x = 0.5 * (event.touches[0].pageX + event.touches[1].pageX);
var y = 0.5 * (event.touches[0].pageY + event.touches[1].pageY);
rotateEnd.set(x, y);
}
rotateDelta.subVectors(rotateEnd, rotateStart).multiplyScalar(scope.rotateSpeed);
var 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 {
var x = 0.5 * (event.touches[0].pageX + event.touches[1].pageX);
var 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) {
var dx = event.touches[0].pageX - event.touches[1].pageX;
var dy = event.touches[0].pageY - event.touches[1].pageY;
var distance = Math.sqrt(dx * dx + dy * dy);
dollyEnd.set(0, distance);
dollyDelta.set(0, Math.pow(dollyEnd.y / dollyStart.y, scope.zoomSpeed));
dollyOut(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() {
}
function onPointerDown(event) {
if (scope.enabled === false)
return;
switch (event.pointerType) {
case "mouse":
case "pen":
onMouseDown(event);
break;
}
}
function onPointerMove(event) {
if (scope.enabled === false)
return;
switch (event.pointerType) {
case "mouse":
case "pen":
onMouseMove(event);
break;
}
}
function onPointerUp(event) {
if (scope.enabled === false)
return;
switch (event.pointerType) {
case "mouse":
case "pen":
onMouseUp(event);
break;
}
}
function onMouseDown(event) {
event.preventDefault();
scope.domElement.focus ? scope.domElement.focus() : window.focus();
var 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:
if (scope.enableZoom === false)
return;
handleMouseDownDolly(event);
state = STATE.DOLLY;
break;
case MOUSE.ROTATE:
if (event.ctrlKey || event.metaKey || event.shiftKey) {
if (scope.enablePan === false)
return;
handleMouseDownPan(event);
state = STATE.PAN;
} else {
if (scope.enableRotate === false)
return;
handleMouseDownRotate(event);
state = STATE.ROTATE;
}
break;
case MOUSE.PAN:
if (event.ctrlKey || event.metaKey || event.shiftKey) {
if (scope.enableRotate === false)
return;
handleMouseDownRotate(event);
state = STATE.ROTATE;
} else {
if (scope.enablePan === false)
return;
handleMouseDownPan(event);
state = STATE.PAN;
}
break;
default:
state = STATE.NONE;
}
if (state !== STATE.NONE) {
scope.domElement.ownerDocument.addEventListener("pointermove", onPointerMove, false);
scope.domElement.ownerDocument.addEventListener("pointerup", onPointerUp, false);
scope.dispatchEvent(startEvent);
}
}
function onMouseMove(event) {
if (scope.enabled === false)
return;
event.preventDefault();
switch (state) {
case STATE.ROTATE:
if (scope.enableRotate === false)
return;
handleMouseMoveRotate(event);
break;
case STATE.DOLLY:
if (scope.enableZoom === false)
return;
handleMouseMoveDolly(event);
break;
case STATE.PAN:
if (scope.enablePan === false)
return;
handleMouseMovePan(event);
break;
}
}
function onMouseUp(event) {
if (scope.enabled === false)
return;
handleMouseUp(event);
scope.domElement.ownerDocument.removeEventListener("pointermove", onPointerMove, false);
scope.domElement.ownerDocument.removeEventListener("pointerup", onPointerUp, 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 onKeyDown(event) {
if (scope.enabled === false || scope.enableKeys === false)
return;
if (scope.keyMode == "pan" && scope.enablePan === false)
return;
if (scope.keyMode != "pan" && scope.enableRotate === false)
return;
handleKeyDown(event);
}
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();
}
scope.domElement.addEventListener("contextmenu", onContextMenu, false);
scope.domElement.addEventListener("pointerdown", onPointerDown, false);
scope.domElement.addEventListener("wheel", onMouseWheel, false);
scope.domElement.addEventListener("touchstart", onTouchStart, false);
scope.domElement.addEventListener("touchend", onTouchEnd, false);
scope.domElement.addEventListener("touchmove", onTouchMove, false);
scope.domElement.addEventListener("keydown", onKeyDown, false);
if (scope.domElement.tabIndex === -1) {
scope.domElement.tabIndex = 0;
}
this.update();
};
OrbitControls.prototype = Object.create(EventDispatcher2.prototype);
OrbitControls.prototype.constructor = OrbitControls;
var MapControls = function(object, domElement) {
OrbitControls.call(this, object, domElement);
this.screenSpacePanning = false;
this.mouseButtons.LEFT = MOUSE.PAN;
this.mouseButtons.RIGHT = MOUSE.ROTATE;
this.touches.ONE = TOUCH.PAN;
this.touches.TWO = TOUCH.DOLLY_ROTATE;
};
MapControls.prototype = Object.create(EventDispatcher2.prototype);
MapControls.prototype.constructor = MapControls;
export {OrbitControls, MapControls};