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zone.js
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zone.js
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/*
* 3DCycles - A lightcycle game.
* Copyright (C) 2019 Glen Harpring
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
if(typeof(THREE) == "undefined") var THREE = require('./lib/Three.js');
var flagColors = [ 0x55AAFF, 0xFFFF55, 0xFF5555, 0x55FF55, 0xFF55FF, 0x55FFFF, 0xFFFFFF, 0x888888];
class Zone
{
spawn()
{
engine.zones.add(this.mesh);
return this;
}
destroy()
{
engine.zones.remove(this.mesh);
return this;
}
constructor(prop)
{
this.type = prop.type;
this.rotationSpeed = prop.rot||settings.ZONE_SPIN_SPEED;
this.value = prop.value||0;
this.expansion = prop.expansion||0;
this.radius = prop.radius||0;
this.xdir = prop.xdir||0; this.ydir = prop.ydir||0;
this.bounce = !!prop.bounce;
var zoneHeight = prop.height||settings.ZONE_HEIGHT;
if (settings.ZONE_SEGMENTS < 1) { settings.ZONE_SEGMENTS = 11; }
var zoneSegments = (Math.floor(this.radius/10)*10)+1;
if (zoneSegments < 11) { zoneSegments = 11; }
if(!prop.color && prop.color !== 0)
{
var zoneColor = 0xFFFFFF;
switch(this.type)
{
case "death": zoneColor = 0xFF0000; break;
case "soccerball": zoneColor = 0xFF8888; break;
case "soccergoal": zoneColor = 0xBB6666; break;
case "rubber": zoneColor = 0xFFB033; break;
case "rubberadjust": zoneColor = 0xFF8800; break;
case "oneway": zoneColor = 0xFFFF00; break;
case "win": zoneColor = 0x00FF00; break;
case "target": zoneColor = 0x00DD00; break;
case "teleport": zoneColor = 0x00AA00; break;
case "speed": zoneColor = 0x00FF88; break;
case "acceleration": zoneColor = 0x00BB66; break;
case "blast": zoneColor = 0x0088FF; break;
case "fortress": case "flag":
var lastDist = Infinity;
var closestSpawn = 0;
for(var w=0;w<engine.map.spawns.length;w++)
{
var checkx = engine.map.spawns[w][0];
var checky = engine.map.spawns[w][1];
var disValue = pointDistance( checkx, checky, prop.x, prop.y );
if (disValue < 0) { disValue = -disValue; }
if (disValue < lastDist) { lastDist = disValue; closestSpawn = w; }
}
if (closestSpawn > 7) { zoneColor = 0x4488FF; }
else { zoneColor = (this.type=="fortress"?teamColor:teamColor)(closestSpawn); }
this.team = closestSpawn;
break;
case "object": zoneColor = 0xBB0066; break;
case "checkpoint": zoneColor = 0xFF0088; break;
case "sumo": zoneColor = 0xFFFFFF; /*zoneHeight = 1;*/ break;
case "koh": zoneColor = 0xDDDDDD; break;
case "wall": case "ball": zoneColor = 0xFFFFFF; break;
case "switch": zoneColor = 0x999999; break;
}
}
else zoneColor = prop.color;
var color = typeof(zoneColor)=="object"?zoneColor:new THREE.Color(zoneColor);
switch("circle")
{
case "circle":
var zoneSegCoords = [];//get the coordinates for each segment vertex
var zoneSegMidpoints = [];//get midpoints for each segment
var trueSegments = [];
for (var i = 0; i < settings.ZONE_SEGMENTS; i++)
{
var zpx = Math.cos(2 * Math.PI * i / settings.ZONE_SEGMENTS);
var zpy = Math.sin(2 * Math.PI * i / settings.ZONE_SEGMENTS);
zoneSegCoords.push({x:zpx, y:zpy});
if (i > 0 && i != settings.ZONE_SEGMENTS-1) {//all segments starting from the second
zoneSegMidpoints[i] = { x:((zoneSegCoords[i-1].x+zoneSegCoords[i].x)/2), y:((zoneSegCoords[i-1].y+zoneSegCoords[i].y)/2) };
}
else if (i == settings.ZONE_SEGMENTS-1) {//last segment + first
zoneSegMidpoints[i] = { x:((zoneSegCoords[i-1].x+zoneSegCoords[i].x)/2), y:((zoneSegCoords[i-1].y+zoneSegCoords[i].y)/2) };
zoneSegMidpoints[0] = { x:((zoneSegCoords[0].x+zoneSegCoords[i].x)/2), y:((zoneSegCoords[0].y+zoneSegCoords[i].y)/2) };
}
}
//with midpoints, determine segments
for (var s = 0; s < settings.ZONE_SEGMENTS; s++)
{
//var segmentFullLength = pointDistance( zoneSegCoords[s].x, zoneSegCoords[s].y, zoneSegCoords[s+1].x, zoneSegCoords[s+1].y );
//var adjustedSegLength = segmentFullLength * settings.ZONE_SEG_LENGTH;
if (s == 0) {
var np1x = (zoneSegMidpoints[0].x + (settings.ZONE_SEG_LENGTH * ( zoneSegCoords[zoneSegCoords.length-1].x - zoneSegMidpoints[0].x) ) );
var np1y = (zoneSegMidpoints[0].y + (settings.ZONE_SEG_LENGTH * ( zoneSegCoords[zoneSegCoords.length-1].y - zoneSegMidpoints[0].y) ) );
var np2x = (zoneSegMidpoints[0].x + (settings.ZONE_SEG_LENGTH * ( zoneSegCoords[s].x - zoneSegMidpoints[0].x) ) );
var np2y = (zoneSegMidpoints[0].y + (settings.ZONE_SEG_LENGTH * ( zoneSegCoords[s].y - zoneSegMidpoints[0].y) ) );
}
else {
var np1x = (zoneSegMidpoints[s].x + (settings.ZONE_SEG_LENGTH * ( zoneSegCoords[s-1].x - zoneSegMidpoints[s].x) ) );
var np1y = (zoneSegMidpoints[s].y + (settings.ZONE_SEG_LENGTH * ( zoneSegCoords[s-1].y - zoneSegMidpoints[s].y) ) );
var np2x = (zoneSegMidpoints[s].x + (settings.ZONE_SEG_LENGTH * ( zoneSegCoords[s].x - zoneSegMidpoints[s].x) ) );
var np2y = (zoneSegMidpoints[s].y + (settings.ZONE_SEG_LENGTH * ( zoneSegCoords[s].y - zoneSegMidpoints[s].y) ) );
}
trueSegments[s] = { x1:np1x, y1:np1y, x2:np2x, y2:np2y };
}
//have segment coordinates, now build it
var geo = new THREE.Geometry();
for (var n = 0; n < trueSegments.length; n++) {
geo.vertices.push( new THREE.Vector3( (trueSegments[n].x1), (trueSegments[n].y1), 0) );
geo.vertices.push( new THREE.Vector3( (trueSegments[n].x2), (trueSegments[n].y2), 0) );
}
for (var n = 0; n < trueSegments.length; n++) {
geo.vertices.push( new THREE.Vector3( (trueSegments[n].x1), (trueSegments[n].y1), settings.ZONE_HEIGHT) );
geo.vertices.push( new THREE.Vector3( (trueSegments[n].x2), (trueSegments[n].y2), settings.ZONE_HEIGHT) );
}
for (var i = 0; i < (geo.vertices.length/2)-1; i+=2) {
geo.faces.push(
new THREE.Face3( (i), (i+1), (i+(geo.vertices.length/2)) ), //a,b,c
new THREE.Face3( (i+(geo.vertices.length/2)+1), (i+(geo.vertices.length/2)), (i+1) ) //d,c,b
);
}
break;
case "polygon":
for (var n = 0; n < pointArray.length; n++) {
var thisPoint = pointArray[n].split(",");
geo.vertices.push( new THREE.Vector3( (thisPoint[0]), (thisPoint[1]), 0) );
}
for (var m = 0; m < pointArray.length; m++) {
var thisPoint = pointArray[m].split(",");
geo.vertices.push( new THREE.Vector3( (thisPoint[0]), (thisPoint[1]), height) );
}
break;
}
//var alpha = Math.max(color.r,color.g,color.b);
//color.r /= alpha; color.g /= alpha; color.b /= alpha;
this.mat = new THREE.MeshBasicMaterial( { color: color, transparent: settings.ALPHA_BLEND, opacity: settings.ZONE_ALPHA/**alpha*/, side: THREE.DoubleSide } );
this.mesh = new THREE.Mesh(geo,this.mat);
this.mesh.position.set(prop.x||0,prop.y||0,prop.z||0);
this.mesh.scale.set(this.radius,this.radius,1);
this.mesh.cfg = this;
}
}
if(typeof(module) != "undefined") module.exports = Zone;

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