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index.js
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/**
* @author arodic / https://github.com/arodic
*/
module.exports = function (THREE) {
var GizmoMaterial = function (parameters) {
THREE.MeshBasicMaterial.call(this);
this.depthTest = false;
this.depthWrite = false;
this.side = THREE.FrontSide;
this.transparent = true;
this.setValues(parameters);
this.oldColor = this.color.clone();
this.oldOpacity = this.opacity;
this.highlight = function (highlighted) {
if (highlighted) {
this.color.setRGB(1, 1, 0);
this.opacity = 1;
} else {
this.color.copy(this.oldColor);
this.opacity = this.oldOpacity;
}
};
};
GizmoMaterial.prototype = Object.create(THREE.MeshBasicMaterial.prototype);
GizmoMaterial.prototype.constructor = GizmoMaterial;
var GizmoLineMaterial = function (parameters) {
THREE.LineBasicMaterial.call(this);
this.depthTest = false;
this.depthWrite = false;
this.transparent = true;
this.linewidth = 1;
this.setValues(parameters);
this.oldColor = this.color.clone();
this.oldOpacity = this.opacity;
this.highlight = function (highlighted) {
if (highlighted) {
this.color.setRGB(1, 1, 0);
this.opacity = 1;
} else {
this.color.copy(this.oldColor);
this.opacity = this.oldOpacity;
}
};
};
GizmoLineMaterial.prototype = Object.create(THREE.LineBasicMaterial.prototype);
GizmoLineMaterial.prototype.constructor = GizmoLineMaterial;
var pickerMaterial = new GizmoMaterial({ visible: false, transparent: false });
THREE.TransformGizmo = function () {
var scope = this;
this.init = function () {
THREE.Object3D.call(this);
this.handles = new THREE.Object3D();
this.pickers = new THREE.Object3D();
this.planes = new THREE.Object3D();
this.add(this.handles);
this.add(this.pickers);
this.add(this.planes);
//// PLANES
var planeGeometry = new THREE.PlaneBufferGeometry(50, 50, 2, 2);
var planeMaterial = new THREE.MeshBasicMaterial({ visible: false, side: THREE.DoubleSide });
var planes = {
"XY": new THREE.Mesh(planeGeometry, planeMaterial),
"YZ": new THREE.Mesh(planeGeometry, planeMaterial),
"XZ": new THREE.Mesh(planeGeometry, planeMaterial),
"XYZE": new THREE.Mesh(planeGeometry, planeMaterial)
};
this.activePlane = planes["XYZE"];
planes["YZ"].rotation.set(0, Math.PI / 2, 0);
planes["XZ"].rotation.set(- Math.PI / 2, 0, 0);
for (var i in planes) {
planes[i].name = i;
this.planes.add(planes[i]);
this.planes[i] = planes[i];
}
//// HANDLES AND PICKERS
var setupGizmos = function (gizmoMap, parent) {
for (var name in gizmoMap) {
for (i = gizmoMap[name].length; i--;) {
var object = gizmoMap[name][i][0];
var position = gizmoMap[name][i][1];
var rotation = gizmoMap[name][i][2];
object.name = name;
if (position) object.position.set(position[0], position[1], position[2]);
if (rotation) object.rotation.set(rotation[0], rotation[1], rotation[2]);
parent.add(object);
}
}
};
setupGizmos(this.handleGizmos, this.handles);
setupGizmos(this.pickerGizmos, this.pickers);
// reset Transformations
this.traverse(function (child) {
if (child instanceof THREE.Mesh) {
child.updateMatrix();
var tempGeometry = child.geometry.clone();
tempGeometry.applyMatrix(child.matrix);
child.geometry = tempGeometry;
child.position.set(0, 0, 0);
child.rotation.set(0, 0, 0);
child.scale.set(1, 1, 1);
}
});
};
this.highlight = function (axis) {
this.traverse(function (child) {
if (child.material && child.material.highlight) {
if (child.name === axis) {
child.material.highlight(true);
} else {
child.material.highlight(false);
}
}
});
};
};
THREE.TransformGizmo.prototype = Object.create(THREE.Object3D.prototype);
THREE.TransformGizmo.prototype.constructor = THREE.TransformGizmo;
THREE.TransformGizmo.prototype.update = function (rotation, eye) {
var vec1 = new THREE.Vector3(0, 0, 0);
var vec2 = new THREE.Vector3(0, 1, 0);
var lookAtMatrix = new THREE.Matrix4();
this.traverse(function (child) {
if (child.name.search("E") !== - 1) {
child.quaternion.setFromRotationMatrix(lookAtMatrix.lookAt(eye, vec1, vec2));
} else if (child.name.search("X") !== - 1 || child.name.search("Y") !== - 1 || child.name.search("Z") !== - 1) {
child.quaternion.setFromEuler(rotation);
}
});
};
THREE.TransformGizmoTranslate = function () {
THREE.TransformGizmo.call(this);
var arrowGeometry = new THREE.Geometry();
var mesh = new THREE.Mesh(new THREE.CylinderGeometry(0, 0.05, 0.2, 12, 1, false));
mesh.position.y = 0.5;
mesh.updateMatrix();
arrowGeometry.merge(mesh.geometry, mesh.matrix);
var lineXGeometry = new THREE.BufferGeometry();
lineXGeometry.addAttribute('position', new THREE.Float32BufferAttribute([0, 0, 0, 1, 0, 0], 3));
var lineYGeometry = new THREE.BufferGeometry();
lineYGeometry.addAttribute('position', new THREE.Float32BufferAttribute([0, 0, 0, 0, 1, 0], 3));
var lineZGeometry = new THREE.BufferGeometry();
lineZGeometry.addAttribute('position', new THREE.Float32BufferAttribute([0, 0, 0, 0, 0, 1], 3));
this.handleGizmos = {
X: [
[new THREE.Mesh(arrowGeometry, new GizmoMaterial({ color: 0xff0000 })), [0.5, 0, 0], [0, 0, - Math.PI / 2]],
[new THREE.Line(lineXGeometry, new GizmoLineMaterial({ color: 0xff0000 }))]
],
Y: [
[new THREE.Mesh(arrowGeometry, new GizmoMaterial({ color: 0x00ff00 })), [0, 0.5, 0]],
[new THREE.Line(lineYGeometry, new GizmoLineMaterial({ color: 0x00ff00 }))]
],
Z: [
[new THREE.Mesh(arrowGeometry, new GizmoMaterial({ color: 0x0000ff })), [0, 0, 0.5], [Math.PI / 2, 0, 0]],
[new THREE.Line(lineZGeometry, new GizmoLineMaterial({ color: 0x0000ff }))]
],
XYZ: [
[new THREE.Mesh(new THREE.OctahedronGeometry(0.1, 0), new GizmoMaterial({ color: 0xffffff, opacity: 0.25 })), [0, 0, 0], [0, 0, 0]]
],
XY: [
[new THREE.Mesh(new THREE.PlaneBufferGeometry(0.29, 0.29), new GizmoMaterial({ color: 0xffff00, opacity: 0.25 })), [0.15, 0.15, 0]]
],
YZ: [
[new THREE.Mesh(new THREE.PlaneBufferGeometry(0.29, 0.29), new GizmoMaterial({ color: 0x00ffff, opacity: 0.25 })), [0, 0.15, 0.15], [0, Math.PI / 2, 0]]
],
XZ: [
[new THREE.Mesh(new THREE.PlaneBufferGeometry(0.29, 0.29), new GizmoMaterial({ color: 0xff00ff, opacity: 0.25 })), [0.15, 0, 0.15], [- Math.PI / 2, 0, 0]]
]
};
this.pickerGizmos = {
X: [
[new THREE.Mesh(new THREE.CylinderBufferGeometry(0.2, 0, 1, 4, 1, false), pickerMaterial), [0.6, 0, 0], [0, 0, - Math.PI / 2]]
],
Y: [
[new THREE.Mesh(new THREE.CylinderBufferGeometry(0.2, 0, 1, 4, 1, false), pickerMaterial), [0, 0.6, 0]]
],
Z: [
[new THREE.Mesh(new THREE.CylinderBufferGeometry(0.2, 0, 1, 4, 1, false), pickerMaterial), [0, 0, 0.6], [Math.PI / 2, 0, 0]]
],
XYZ: [
[new THREE.Mesh(new THREE.OctahedronGeometry(0.2, 0), pickerMaterial)]
],
XY: [
[new THREE.Mesh(new THREE.PlaneBufferGeometry(0.4, 0.4), pickerMaterial), [0.2, 0.2, 0]]
],
YZ: [
[new THREE.Mesh(new THREE.PlaneBufferGeometry(0.4, 0.4), pickerMaterial), [0, 0.2, 0.2], [0, Math.PI / 2, 0]]
],
XZ: [
[new THREE.Mesh(new THREE.PlaneBufferGeometry(0.4, 0.4), pickerMaterial), [0.2, 0, 0.2], [- Math.PI / 2, 0, 0]]
]
};
this.setActivePlane = function (axis, eye) {
var tempMatrix = new THREE.Matrix4();
eye.applyMatrix4(tempMatrix.getInverse(tempMatrix.extractRotation(this.planes["XY"].matrixWorld)));
if (axis === "X") {
this.activePlane = this.planes["XY"];
if (Math.abs(eye.y) > Math.abs(eye.z)) this.activePlane = this.planes["XZ"];
}
if (axis === "Y") {
this.activePlane = this.planes["XY"];
if (Math.abs(eye.x) > Math.abs(eye.z)) this.activePlane = this.planes["YZ"];
}
if (axis === "Z") {
this.activePlane = this.planes["XZ"];
if (Math.abs(eye.x) > Math.abs(eye.y)) this.activePlane = this.planes["YZ"];
}
if (axis === "XYZ") this.activePlane = this.planes["XYZE"];
if (axis === "XY") this.activePlane = this.planes["XY"];
if (axis === "YZ") this.activePlane = this.planes["YZ"];
if (axis === "XZ") this.activePlane = this.planes["XZ"];
};
this.init();
};
THREE.TransformGizmoTranslate.prototype = Object.create(THREE.TransformGizmo.prototype);
THREE.TransformGizmoTranslate.prototype.constructor = THREE.TransformGizmoTranslate;
THREE.TransformGizmoRotate = function () {
THREE.TransformGizmo.call(this);
var CircleGeometry = function (radius, facing, arc) {
var geometry = new THREE.BufferGeometry();
var vertices = [];
arc = arc ? arc : 1;
for (var i = 0; i <= 64 * arc; ++i) {
if (facing === 'x') vertices.push(0, Math.cos(i / 32 * Math.PI) * radius, Math.sin(i / 32 * Math.PI) * radius);
if (facing === 'y') vertices.push(Math.cos(i / 32 * Math.PI) * radius, 0, Math.sin(i / 32 * Math.PI) * radius);
if (facing === 'z') vertices.push(Math.sin(i / 32 * Math.PI) * radius, Math.cos(i / 32 * Math.PI) * radius, 0);
}
geometry.addAttribute('position', new THREE.Float32BufferAttribute(vertices, 3));
return geometry;
};
this.handleGizmos = {
X: [
[new THREE.Line(new CircleGeometry(1, 'x', 0.5), new GizmoLineMaterial({ color: 0xff0000 }))]
],
Y: [
[new THREE.Line(new CircleGeometry(1, 'y', 0.5), new GizmoLineMaterial({ color: 0x00ff00 }))]
],
Z: [
[new THREE.Line(new CircleGeometry(1, 'z', 0.5), new GizmoLineMaterial({ color: 0x0000ff }))]
],
E: [
[new THREE.Line(new CircleGeometry(1.25, 'z', 1), new GizmoLineMaterial({ color: 0xcccc00 }))]
],
XYZE: [
[new THREE.Line(new CircleGeometry(1, 'z', 1), new GizmoLineMaterial({ color: 0x787878 }))]
]
};
this.pickerGizmos = {
X: [
[new THREE.Mesh(new THREE.TorusBufferGeometry(1, 0.12, 4, 12, Math.PI), pickerMaterial), [0, 0, 0], [0, - Math.PI / 2, - Math.PI / 2]]
],
Y: [
[new THREE.Mesh(new THREE.TorusBufferGeometry(1, 0.12, 4, 12, Math.PI), pickerMaterial), [0, 0, 0], [Math.PI / 2, 0, 0]]
],
Z: [
[new THREE.Mesh(new THREE.TorusBufferGeometry(1, 0.12, 4, 12, Math.PI), pickerMaterial), [0, 0, 0], [0, 0, - Math.PI / 2]]
],
E: [
[new THREE.Mesh(new THREE.TorusBufferGeometry(1.25, 0.12, 2, 24), pickerMaterial)]
],
XYZE: [
[new THREE.Mesh()]// TODO
]
};
this.setActivePlane = function (axis) {
if (axis === "E") this.activePlane = this.planes["XYZE"];
if (axis === "X") this.activePlane = this.planes["YZ"];
if (axis === "Y") this.activePlane = this.planes["XZ"];
if (axis === "Z") this.activePlane = this.planes["XY"];
};
this.update = function (rotation, eye2) {
THREE.TransformGizmo.prototype.update.apply(this, arguments);
var group = {
handles: this["handles"],
pickers: this["pickers"]
};
var tempMatrix = new THREE.Matrix4();
var worldRotation = new THREE.Euler(0, 0, 1);
var tempQuaternion = new THREE.Quaternion();
var unitX = new THREE.Vector3(1, 0, 0);
var unitY = new THREE.Vector3(0, 1, 0);
var unitZ = new THREE.Vector3(0, 0, 1);
var quaternionX = new THREE.Quaternion();
var quaternionY = new THREE.Quaternion();
var quaternionZ = new THREE.Quaternion();
var eye = eye2.clone();
worldRotation.copy(this.planes["XY"].rotation);
tempQuaternion.setFromEuler(worldRotation);
tempMatrix.makeRotationFromQuaternion(tempQuaternion).getInverse(tempMatrix);
eye.applyMatrix4(tempMatrix);
this.traverse(function (child) {
tempQuaternion.setFromEuler(worldRotation);
if (child.name === "X") {
quaternionX.setFromAxisAngle(unitX, Math.atan2(- eye.y, eye.z));
tempQuaternion.multiplyQuaternions(tempQuaternion, quaternionX);
child.quaternion.copy(tempQuaternion);
}
if (child.name === "Y") {
quaternionY.setFromAxisAngle(unitY, Math.atan2(eye.x, eye.z));
tempQuaternion.multiplyQuaternions(tempQuaternion, quaternionY);
child.quaternion.copy(tempQuaternion);
}
if (child.name === "Z") {
quaternionZ.setFromAxisAngle(unitZ, Math.atan2(eye.y, eye.x));
tempQuaternion.multiplyQuaternions(tempQuaternion, quaternionZ);
child.quaternion.copy(tempQuaternion);
}
});
};
this.init();
};
THREE.TransformGizmoRotate.prototype = Object.create(THREE.TransformGizmo.prototype);
THREE.TransformGizmoRotate.prototype.constructor = THREE.TransformGizmoRotate;
THREE.TransformGizmoScale = function () {
THREE.TransformGizmo.call(this);
var arrowGeometry = new THREE.Geometry();
var mesh = new THREE.Mesh(new THREE.BoxGeometry(0.125, 0.125, 0.125));
mesh.position.y = 0.5;
mesh.updateMatrix();
arrowGeometry.merge(mesh.geometry, mesh.matrix);
var lineXGeometry = new THREE.BufferGeometry();
lineXGeometry.addAttribute('position', new THREE.Float32BufferAttribute([0, 0, 0, 1, 0, 0], 3));
var lineYGeometry = new THREE.BufferGeometry();
lineYGeometry.addAttribute('position', new THREE.Float32BufferAttribute([0, 0, 0, 0, 1, 0], 3));
var lineZGeometry = new THREE.BufferGeometry();
lineZGeometry.addAttribute('position', new THREE.Float32BufferAttribute([0, 0, 0, 0, 0, 1], 3));
this.handleGizmos = {
X: [
[new THREE.Mesh(arrowGeometry, new GizmoMaterial({ color: 0xff0000 })), [0.5, 0, 0], [0, 0, - Math.PI / 2]],
[new THREE.Line(lineXGeometry, new GizmoLineMaterial({ color: 0xff0000 }))]
],
Y: [
[new THREE.Mesh(arrowGeometry, new GizmoMaterial({ color: 0x00ff00 })), [0, 0.5, 0]],
[new THREE.Line(lineYGeometry, new GizmoLineMaterial({ color: 0x00ff00 }))]
],
Z: [
[new THREE.Mesh(arrowGeometry, new GizmoMaterial({ color: 0x0000ff })), [0, 0, 0.5], [Math.PI / 2, 0, 0]],
[new THREE.Line(lineZGeometry, new GizmoLineMaterial({ color: 0x0000ff }))]
],
XYZ: [
[new THREE.Mesh(new THREE.BoxBufferGeometry(0.125, 0.125, 0.125), new GizmoMaterial({ color: 0xffffff, opacity: 0.25 }))]
]
};
this.pickerGizmos = {
X: [
[new THREE.Mesh(new THREE.CylinderBufferGeometry(0.2, 0, 1, 4, 1, false), pickerMaterial), [0.6, 0, 0], [0, 0, - Math.PI / 2]]
],
Y: [
[new THREE.Mesh(new THREE.CylinderBufferGeometry(0.2, 0, 1, 4, 1, false), pickerMaterial), [0, 0.6, 0]]
],
Z: [
[new THREE.Mesh(new THREE.CylinderBufferGeometry(0.2, 0, 1, 4, 1, false), pickerMaterial), [0, 0, 0.6], [Math.PI / 2, 0, 0]]
],
XYZ: [
[new THREE.Mesh(new THREE.BoxBufferGeometry(0.4, 0.4, 0.4), pickerMaterial)]
]
};
this.setActivePlane = function (axis, eye) {
var tempMatrix = new THREE.Matrix4();
eye.applyMatrix4(tempMatrix.getInverse(tempMatrix.extractRotation(this.planes["XY"].matrixWorld)));
if (axis === "X") {
this.activePlane = this.planes["XY"];
if (Math.abs(eye.y) > Math.abs(eye.z)) this.activePlane = this.planes["XZ"];
}
if (axis === "Y") {
this.activePlane = this.planes["XY"];
if (Math.abs(eye.x) > Math.abs(eye.z)) this.activePlane = this.planes["YZ"];
}
if (axis === "Z") {
this.activePlane = this.planes["XZ"];
if (Math.abs(eye.x) > Math.abs(eye.y)) this.activePlane = this.planes["YZ"];
}
if (axis === "XYZ") this.activePlane = this.planes["XYZE"];
};
this.init();
};
THREE.TransformGizmoScale.prototype = Object.create(THREE.TransformGizmo.prototype);
THREE.TransformGizmoScale.prototype.constructor = THREE.TransformGizmoScale;
function TransformControls(camera, domElement) {
// TODO: Make non-uniform scale and rotate play nice in hierarchies
// TODO: ADD RXYZ contol
THREE.Object3D.call(this);
domElement = (domElement !== undefined) ? domElement : document;
this.object = undefined;
this.visible = false;
this.translationSnap = null;
this.rotationSnap = null;
this.space = "world";
this.size = 1;
this.axis = null;
var scope = this;
var _mode = "translate";
var _dragging = false;
var _plane = "XY";
var _gizmo = {
"translate": new THREE.TransformGizmoTranslate(),
"rotate": new THREE.TransformGizmoRotate(),
"scale": new THREE.TransformGizmoScale()
};
for (var type in _gizmo) {
var gizmoObj = _gizmo[type];
gizmoObj.visible = (type === _mode);
this.add(gizmoObj);
}
var changeEvent = { type: "change" };
var mouseDownEvent = { type: "mouseDown" };
var mouseUpEvent = { type: "mouseUp", mode: _mode };
var objectChangeEvent = { type: "objectChange" };
var ray = new THREE.Raycaster();
var pointerVector = new THREE.Vector2();
var point = new THREE.Vector3();
var offset = new THREE.Vector3();
var rotation = new THREE.Vector3();
var offsetRotation = new THREE.Vector3();
var scale = 1;
var lookAtMatrix = new THREE.Matrix4();
var eye = new THREE.Vector3();
var tempMatrix = new THREE.Matrix4();
var tempVector = new THREE.Vector3();
var tempQuaternion = new THREE.Quaternion();
var unitX = new THREE.Vector3(1, 0, 0);
var unitY = new THREE.Vector3(0, 1, 0);
var unitZ = new THREE.Vector3(0, 0, 1);
var quaternionXYZ = new THREE.Quaternion();
var quaternionX = new THREE.Quaternion();
var quaternionY = new THREE.Quaternion();
var quaternionZ = new THREE.Quaternion();
var quaternionE = new THREE.Quaternion();
var oldPosition = new THREE.Vector3();
var oldScale = new THREE.Vector3();
var oldRotationMatrix = new THREE.Matrix4();
var parentRotationMatrix = new THREE.Matrix4();
var parentScale = new THREE.Vector3();
var worldPosition = new THREE.Vector3();
var worldRotation = new THREE.Euler();
var worldRotationMatrix = new THREE.Matrix4();
var camPosition = new THREE.Vector3();
var camRotation = new THREE.Euler();
domElement.addEventListener("mousedown", onPointerDown, false);
domElement.addEventListener("touchstart", onPointerDown, false);
domElement.addEventListener("mousemove", onPointerHover, false);
domElement.addEventListener("touchmove", onPointerHover, false);
domElement.addEventListener("mousemove", onPointerMove, false);
domElement.addEventListener("touchmove", onPointerMove, false);
domElement.addEventListener("mouseup", onPointerUp, false);
domElement.addEventListener("mouseout", onPointerUp, false);
domElement.addEventListener("touchend", onPointerUp, false);
domElement.addEventListener("touchcancel", onPointerUp, false);
domElement.addEventListener("touchleave", onPointerUp, false);
this.dispose = function () {
domElement.removeEventListener("mousedown", onPointerDown);
domElement.removeEventListener("touchstart", onPointerDown);
domElement.removeEventListener("mousemove", onPointerHover);
domElement.removeEventListener("touchmove", onPointerHover);
domElement.removeEventListener("mousemove", onPointerMove);
domElement.removeEventListener("touchmove", onPointerMove);
domElement.removeEventListener("mouseup", onPointerUp);
domElement.removeEventListener("mouseout", onPointerUp);
domElement.removeEventListener("touchend", onPointerUp);
domElement.removeEventListener("touchcancel", onPointerUp);
domElement.removeEventListener("touchleave", onPointerUp);
};
this.attach = function (object) {
this.object = object;
this.visible = true;
this.update();
};
this.detach = function () {
this.object = undefined;
this.visible = false;
this.axis = null;
};
this.getMode = function () {
return _mode;
};
this.setMode = function (mode) {
_mode = mode ? mode : _mode;
if (_mode === "scale") scope.space = "local";
for (var type in _gizmo) _gizmo[type].visible = (type === _mode);
this.update();
scope.dispatchEvent(changeEvent);
};
this.setTranslationSnap = function (translationSnap) {
scope.translationSnap = translationSnap;
};
this.setRotationSnap = function (rotationSnap) {
scope.rotationSnap = rotationSnap;
};
this.setSize = function (size) {
scope.size = size;
this.update();
scope.dispatchEvent(changeEvent);
};
this.setSpace = function (space) {
scope.space = space;
this.update();
scope.dispatchEvent(changeEvent);
};
this.update = function () {
if (scope.object === undefined) return;
scope.object.updateMatrixWorld();
worldPosition.setFromMatrixPosition(scope.object.matrixWorld);
worldRotation.setFromRotationMatrix(tempMatrix.extractRotation(scope.object.matrixWorld));
camera.updateMatrixWorld();
camPosition.setFromMatrixPosition(camera.matrixWorld);
camRotation.setFromRotationMatrix(tempMatrix.extractRotation(camera.matrixWorld));
scale = worldPosition.distanceTo(camPosition) / 6 * scope.size;
this.position.copy(worldPosition);
this.scale.set(scale, scale, scale);
if (camera instanceof THREE.PerspectiveCamera) {
eye.copy(camPosition).sub(worldPosition).normalize();
} else if (camera instanceof THREE.OrthographicCamera) {
eye.copy(camPosition).normalize();
}
if (scope.space === "local") {
_gizmo[_mode].update(worldRotation, eye);
} else if (scope.space === "world") {
_gizmo[_mode].update(new THREE.Euler(), eye);
}
_gizmo[_mode].highlight(scope.axis);
};
function onPointerHover(event) {
if (scope.object === undefined || _dragging === true || (event.button !== undefined && event.button !== 0)) return;
var pointer = event.changedTouches ? event.changedTouches[0] : event;
var intersect = intersectObjects(pointer, _gizmo[_mode].pickers.children);
var axis = null;
if (intersect) {
axis = intersect.object.name;
event.preventDefault();
}
if (scope.axis !== axis) {
scope.axis = axis;
scope.update();
scope.dispatchEvent(changeEvent);
}
}
function onPointerDown(event) {
if (scope.object === undefined || _dragging === true || (event.button !== undefined && event.button !== 0)) return;
var pointer = event.changedTouches ? event.changedTouches[0] : event;
if (pointer.button === 0 || pointer.button === undefined) {
var intersect = intersectObjects(pointer, _gizmo[_mode].pickers.children);
if (intersect) {
event.preventDefault();
event.stopPropagation();
scope.dispatchEvent(mouseDownEvent);
scope.axis = intersect.object.name;
scope.update();
eye.copy(camPosition).sub(worldPosition).normalize();
_gizmo[_mode].setActivePlane(scope.axis, eye);
var planeIntersect = intersectObjects(pointer, [_gizmo[_mode].activePlane]);
if (planeIntersect) {
oldPosition.copy(scope.object.position);
oldScale.copy(scope.object.scale);
oldRotationMatrix.extractRotation(scope.object.matrix);
worldRotationMatrix.extractRotation(scope.object.matrixWorld);
parentRotationMatrix.extractRotation(scope.object.parent.matrixWorld);
parentScale.setFromMatrixScale(tempMatrix.getInverse(scope.object.parent.matrixWorld));
offset.copy(planeIntersect.point);
}
}
}
_dragging = true;
}
function onPointerMove(event) {
if (scope.object === undefined || scope.axis === null || _dragging === false || (event.button !== undefined && event.button !== 0)) return;
var pointer = event.changedTouches ? event.changedTouches[0] : event;
var planeIntersect = intersectObjects(pointer, [_gizmo[_mode].activePlane]);
if (planeIntersect === false) return;
event.preventDefault();
event.stopPropagation();
point.copy(planeIntersect.point);
if (_mode === "translate") {
point.sub(offset);
point.multiply(parentScale);
if (scope.space === "local") {
point.applyMatrix4(tempMatrix.getInverse(worldRotationMatrix));
if (scope.axis.search("X") === - 1) point.x = 0;
if (scope.axis.search("Y") === - 1) point.y = 0;
if (scope.axis.search("Z") === - 1) point.z = 0;
point.applyMatrix4(oldRotationMatrix);
scope.object.position.copy(oldPosition);
scope.object.position.add(point);
}
if (scope.space === "world" || scope.axis.search("XYZ") !== - 1) {
if (scope.axis.search("X") === - 1) point.x = 0;
if (scope.axis.search("Y") === - 1) point.y = 0;
if (scope.axis.search("Z") === - 1) point.z = 0;
point.applyMatrix4(tempMatrix.getInverse(parentRotationMatrix));
scope.object.position.copy(oldPosition);
scope.object.position.add(point);
}
if (scope.translationSnap !== null) {
if (scope.space === "local") {
scope.object.position.applyMatrix4(tempMatrix.getInverse(worldRotationMatrix));
}
if (scope.axis.search("X") !== - 1) scope.object.position.x = Math.round(scope.object.position.x / scope.translationSnap) * scope.translationSnap;
if (scope.axis.search("Y") !== - 1) scope.object.position.y = Math.round(scope.object.position.y / scope.translationSnap) * scope.translationSnap;
if (scope.axis.search("Z") !== - 1) scope.object.position.z = Math.round(scope.object.position.z / scope.translationSnap) * scope.translationSnap;
if (scope.space === "local") {
scope.object.position.applyMatrix4(worldRotationMatrix);
}
}
} else if (_mode === "scale") {
point.sub(offset);
point.multiply(parentScale);
if (scope.space === "local") {
if (scope.axis === "XYZ") {
scale = 1 + ((point.y) / Math.max(oldScale.x, oldScale.y, oldScale.z));
scope.object.scale.x = oldScale.x * scale;
scope.object.scale.y = oldScale.y * scale;
scope.object.scale.z = oldScale.z * scale;
} else {
point.applyMatrix4(tempMatrix.getInverse(worldRotationMatrix));
if (scope.axis === "X") scope.object.scale.x = oldScale.x * (1 + point.x / oldScale.x);
if (scope.axis === "Y") scope.object.scale.y = oldScale.y * (1 + point.y / oldScale.y);
if (scope.axis === "Z") scope.object.scale.z = oldScale.z * (1 + point.z / oldScale.z);
}
}
} else if (_mode === "rotate") {
point.sub(worldPosition);
point.multiply(parentScale);
tempVector.copy(offset).sub(worldPosition);
tempVector.multiply(parentScale);
if (scope.axis === "E") {