Thibaut Despoulain
115 lines
2.5 KiB
JavaScript
115 lines
2.5 KiB
JavaScript
/*
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* HexGL
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* @author Thibaut 'BKcore' Despoulain <http://bkcore.com>
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* @license This work is licensed under the Creative Commons Attribution-NonCommercial 3.0 Unported License.
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* To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/3.0/.
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*/
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var bkcore = bkcore || {};
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bkcore.hexgl = bkcore.hexgl || {};
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bkcore.hexgl.RaceData = function(track, mode, shipControls)
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{
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this.track = track;
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this.mode = mode;
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this.shipControls = shipControls;
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this.rate = 2; // 1 / rate
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this.rateState = 1;
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this.data = [];
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this.last = -1;
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this.seek = 0;
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this._p = new THREE.Vector3();
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this._q = new THREE.Quaternion();
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}
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bkcore.hexgl.RaceData.prototype.tick = function(time)
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{
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if(this.rateState == 1)
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{
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this.data.push(new bkcore.hexgl.RaceTick(
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time,
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this.shipControls.getPosition(),
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this.shipControls.getQuaternion()
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));
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++this.last;
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}
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else if(this.rateState == this.rate)
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{
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this.rateState = 0;
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}
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this.rate++;
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}
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bkcore.hexgl.RaceData.prototype.applyInterpolated = function(time)
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{
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while(this.seek < this.last && this.data[this.seek+1].time < time)
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++this.seek;
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var prev = this.data[this.seek];
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if(this.seek < 0)
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{
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console.warn('Bad race data.');
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return;
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}
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// no interpolation
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if(this.seek == this.last || this.seek == 0)
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this.shipControls.teleport(prev.position, prev.quaternion);
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// interpolation
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var next = this.data[this.seek+1];
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var t = (time-prev.time) / (next.time-prev.time);
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this._p.copy(prev.position).lerpSelf(next.position, t);
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this._q.copy(prev.quaternion).slerpSelf(next.quaternion, t);
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this.shipControls.teleport(this._p, this._q);
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}
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bkcore.hexgl.RaceData.prototype.reset = function()
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{
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this.seek = 0;
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}
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bkcore.hexgl.RaceData.prototype.export = function()
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{
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var exp = [];
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for(var i = 0; i <= this.last; i++) exp.push(
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[this.data[i].time,
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this.data[i].position.x,
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this.data[i].position.y,
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this.data[i].position.z,
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this.data[i].quaternion.x,
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this.data[i].quaternion.y,
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this.data[i].quaternion.z,
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this.data[i].quaternion.w]
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);
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return exp;
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}
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bkcore.hexgl.RaceData.prototype.import = function(imp)
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{
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this.data = [];
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for(var i = 0; i < imp.length; i++)
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{
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this.data.push(new bkcore.hexgl.RaceTick(
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imp[i][0],
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new THREE.Vector3(imp[i][1], imp[i][2], imp[i][3]),
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new THREE.Quaternion(imp[i][4], imp[i][5], imp[i][6], imp[i][7])
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));
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}
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return exp;
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}
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bkcore.hexgl.RaceTick = function(time, position, quaternion)
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{
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this.time = time;
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this.position = position;
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this.quaternion = quaternion;
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} |