236 lines
8.4 KiB
JavaScript
236 lines
8.4 KiB
JavaScript
/**
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* @memberof L3D
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* @extends L3D.BaseRecommendation
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* @description Reprensents a recommendation as a viewport (3D representation of a camera)
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* @constructor
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*/
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L3D.ViewportRecommendation = function(arg1, arg2, arg3, arg4, position, target) {
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L3D.ArrowRecommendation.apply(this, arguments);
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if (target === undefined)
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target = new THREE.Vector3(0,0,0);
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var direction = target.clone();
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direction.sub(this.camera.position);
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direction.normalize();
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// this.up = new THREE.Vector3(0,0,1);
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// Compute corners
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// Create the mesh to draw
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var geometry = new THREE.Geometry();
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var left = L3D.Tools.cross(direction, this.up);
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var other = L3D.Tools.cross(direction, left);
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left.normalize();
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other.normalize();
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left = L3D.Tools.mul(left, 1);
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other = L3D.Tools.mul(other, 1);
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geometry.vertices.push(L3D.Tools.sum(L3D.Tools.sum(this.camera.position, left), other),
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L3D.Tools.diff(L3D.Tools.sum(this.camera.position, other),left),
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L3D.Tools.diff(L3D.Tools.diff(this.camera.position, left),other),
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L3D.Tools.sum(L3D.Tools.diff(this.camera.position, other), left)
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);
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geometry.faces.push(new THREE.Face3(0,1,2), // new THREE.Face3(0,2,1),
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new THREE.Face3(0,2,3) // new THREE.Face3(0,3,2)
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);
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(function(self, direction, left, other) {
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var material = new THREE.LineBasicMaterial({ color: '0x000000', linewidth: 3});
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var geometry = new THREE.Geometry();
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var tmpDirection = L3D.Tools.mul(direction, -2);
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var target = L3D.Tools.sum(self.camera.position, tmpDirection);
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// geometry.vertices.push(self.camera.position, target);
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geometry.vertices.push(
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L3D.Tools.sum(L3D.Tools.sum(self.camera.position, left), other),
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L3D.Tools.diff(L3D.Tools.sum(self.camera.position, other),left),
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L3D.Tools.diff(L3D.Tools.diff(self.camera.position, left),other),
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L3D.Tools.sum(L3D.Tools.diff(self.camera.position, other), left),
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L3D.Tools.sum(L3D.Tools.sum(self.camera.position, left), other),
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L3D.Tools.sum(L3D.Tools.diff(self.camera.position, other), left),
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L3D.Tools.sum(self.camera.position, tmpDirection),
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L3D.Tools.sum(L3D.Tools.sum(self.camera.position, left), other),
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L3D.Tools.sum(self.camera.position, tmpDirection),
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L3D.Tools.diff(L3D.Tools.sum(self.camera.position, other),left),
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L3D.Tools.sum(self.camera.position, tmpDirection),
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L3D.Tools.diff(L3D.Tools.diff(self.camera.position, left),other),
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L3D.Tools.sum(self.camera.position, tmpDirection),
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L3D.Tools.sum(L3D.Tools.diff(self.camera.position, other), left)
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);
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self.line = new THREE.Line(geometry, material);
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})(this, direction, left, other);
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(function(self, direction, left, other) {
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var material = new THREE.MeshBasicMaterial();
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var geometry = new THREE.Geometry();
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var tmpDirection = L3D.Tools.mul(direction, -2);
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geometry.vertices = [
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L3D.Tools.sum(L3D.Tools.sum(self.camera.position, left), other),
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L3D.Tools.diff(L3D.Tools.sum(self.camera.position, other),left),
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L3D.Tools.diff(L3D.Tools.diff(self.camera.position, left),other),
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L3D.Tools.sum(L3D.Tools.diff(self.camera.position, other), left),
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L3D.Tools.sum(self.camera.position, tmpDirection)
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];
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geometry.faces = [
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new THREE.Face3(0, 1, 2),
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new THREE.Face3(0, 2, 3),
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new THREE.Face3(0, 4, 1),
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new THREE.Face3(1, 4, 2),
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new THREE.Face3(4, 3, 2),
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new THREE.Face3(4, 0, 3)
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];
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self.collidingObject = new THREE.Mesh(geometry, material);
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})(this, direction, left, other);
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var material = new THREE.MeshBasicMaterial({
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color : 0x0000ff,
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transparent : true,
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opacity : 1,
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side: THREE.DoubleSide
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});
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this.mesh = new THREE.Mesh(geometry, material);
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this.mesh.raycastable = true;
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this.object3D = new THREE.Object3D();
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this.object3D.add(this.mesh);
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this.object3D.add(this.line);
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this.add(this.object3D);
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};
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L3D.ViewportRecommendation.prototype = Object.create(L3D.ArrowRecommendation.prototype);
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L3D.ViewportRecommendation.prototype.constructor = L3D.ViewportRecommendation;
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L3D.ViewportRecommendation.prototype.raycast = function(raycaster, intersects) {
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var intersectsThis = [];
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this.collidingObject.raycast(raycaster, intersectsThis);
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if (intersectsThis[0] !== undefined) {
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intersectsThis[0].object = this;
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intersects.push(intersectsThis[0]);
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}
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};
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L3D.ViewportRecommendation.prototype.check = function() {
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this.mesh.material.color.setHex(0x663366);
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};
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L3D.ViewportRecommendation.prototype.initExtremity = function() {
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// Do nothing
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};
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// Update function
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L3D.ViewportRecommendation.prototype.update = function(position) {
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// Compute distance between center of camera and position
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dist = L3D.Tools.norm2(L3D.Tools.diff(position.position, this.camera.position));
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var lowBound = 0.5;
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var highBound = 5;
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var newValue;
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var maxValue = 0.5;
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if (dist < lowBound)
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newValue = 0;
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else if (dist > highBound)
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newValue = maxValue;
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else
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newValue = maxValue * (dist - lowBound)/(highBound - lowBound);
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this.mesh.material.transparent = newValue < 0.9;
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this.mesh.material.opacity = newValue;
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this.raycastable = this.line.visible = this.mesh.material.transparent = this.mesh.visible = newValue > 0.1;
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};
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L3D.ViewportRecommendation.prototype.setSize = function(size) {
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var direction = this.camera.target.clone();
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direction.sub(this.camera.position);
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direction.normalize();
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var left = L3D.Tools.cross(direction, this.up);
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var other = L3D.Tools.cross(direction, left);
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left.normalize();
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other.normalize();
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left = L3D.Tools.mul(left, size);
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other = L3D.Tools.mul(other, size);
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this.mesh.geometry.vertices = [
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L3D.Tools.sum(L3D.Tools.sum(this.camera.position, left), other),
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L3D.Tools.diff(L3D.Tools.sum(this.camera.position, other),left),
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L3D.Tools.diff(L3D.Tools.diff(this.camera.position, left),other),
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L3D.Tools.sum(L3D.Tools.diff(this.camera.position, other), left)
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];
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this.mesh.geometry.verticesNeedUpdate = true;
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(function(self, direction, left, other, size) {
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var tmpDirection = L3D.Tools.mul(direction, -2 * size);
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var target = L3D.Tools.sum(self.camera.position, tmpDirection);
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var vertices = [
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L3D.Tools.sum(L3D.Tools.sum(self.camera.position, left), other),
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L3D.Tools.diff(L3D.Tools.sum(self.camera.position, other),left),
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L3D.Tools.diff(L3D.Tools.diff(self.camera.position, left),other),
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L3D.Tools.sum(L3D.Tools.diff(self.camera.position, other), left),
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L3D.Tools.sum(L3D.Tools.sum(self.camera.position, left), other),
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L3D.Tools.sum(L3D.Tools.diff(self.camera.position, other), left),
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L3D.Tools.sum(self.camera.position, tmpDirection),
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L3D.Tools.sum(L3D.Tools.sum(self.camera.position, left), other),
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L3D.Tools.sum(self.camera.position, tmpDirection),
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L3D.Tools.diff(L3D.Tools.sum(self.camera.position, other),left),
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L3D.Tools.sum(self.camera.position, tmpDirection),
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L3D.Tools.diff(L3D.Tools.diff(self.camera.position, left),other),
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L3D.Tools.sum(self.camera.position, tmpDirection),
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L3D.Tools.sum(L3D.Tools.diff(self.camera.position, other), left)
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];
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self.line.geometry.vertices = vertices;
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self.line.geometry.verticesNeedUpdate = true;
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})(this, direction, left, other, size);
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(function(self, direction, left, other) {
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var tmpDirection = L3D.Tools.mul(direction, -2 * size);
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self.collidingObject.geometry.vertices = [
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L3D.Tools.sum(L3D.Tools.sum(self.camera.position, left), other),
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L3D.Tools.diff(L3D.Tools.sum(self.camera.position, other),left),
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L3D.Tools.diff(L3D.Tools.diff(self.camera.position, left),other),
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L3D.Tools.sum(L3D.Tools.diff(self.camera.position, other), left),
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L3D.Tools.sum(self.camera.position, tmpDirection)
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];
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})(this, direction, left, other, size);
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this.collidingObject.verticesNeedUpdate = true;
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};
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