chainDelegates(YArray, 'push', 'unshift', 'sort', 'splice', 'reverse');
- mixinNames(YArray, Array, ['reduce', 'map', 'forEach', 'filter', 'slice'], true, true);
+ mixinNames(YArray, Array, ['reduce', 'map', 'forEach', 'filter', 'slice', 'some', 'every'], true, true);
mixinNames(YArray, Array, ['indexOf', 'lastIndexOf', 'shift', 'pop', 'join'], true, false);
return this;
/**
* A line in the cartesian plane.
*/
-math.Line = new Y.Class('Line', math.Vec, {
+math.Line = math.Vec.subclass('Line', {
init : function initLine(x1,y1, x2,y2, tdist){
this.x1 = x1; this.y1 = y1;
-Rect = new Y.Class('Rect', Shape, {
+Rect = Shape.subclass('Rect', {
_cssClasses : 'portal layer shape rect',
init : function initRect(w,h){
}
});
+Rect.fromPoints = function(x1,y1, x2,y2){
+ return new Rect(x2-x1, y2-y1).position(x1,y1);
+};
\ No newline at end of file
y2 = y1.y; x2 = y1.x;
y1 = x1.y; x1 = x1.x;
}
+ // init : function initRect(_x1,_y1, _x2,_y2){
+ // if (_x1 instanceof Loc && _y1 instanceof Loc) {
+ // _y2 = _y1.y; _x2 = _y1.x;
+ // _y1 = _x1.y; _x1 = _x1.x;
+ // }
+ // var x1 = Math.min(_x1,_x2), x2 = Math.max(_x1,_x2)
+ // , y1 = Math.min(_y1,_y2), y2 = Math.max(_y1,_y2);
this.length = 4;
this.x1 = this[0] = this.x = x1;
y >= this.y1 && y <= this.y2 );
},
+ intersects : function intersects(line){
+ var x1 = Math.min(this.x1,this.x2), x2 = Math.max(this.x1,this.x2)
+ , y1 = Math.min(this.y1,this.y2), y2 = Math.max(this.y1,this.y2)
+ , cx1,cy1, cx2,cy2 ;
+ return ( ( (cx1 = line.calcX(y1)) >= x1 && cx1 <= x2 )
+ || ( (cy1 = line.calcY(x1)) >= y1 && cy1 <= y2 )
+ || ( (cx2 = line.calcX(y2)) >= x1 && cx2 <= x2 )
+ || ( (cy2 = line.calcY(x2)) >= y1 && cy2 <= y2 ) );
+ },
+
midpoint : function midpoint(){
return new Loc( this.x1 + this.width /2
, this.y1 + this.height/2 );
},
setup : function setup(x1,y1, x2,y2){
- var w = this.width, h = this.height, level = this.level
+ var w = this.width, h = this.height
+ , level = this.level
, BWs = {
top : [x1,y1, w,1, true],
this.boundaryWalls = Y.map(BWs, 'this.level.addWall.apply(this.level, _)', this);
},
+ wallObstructs : function wallObstructs(line, w,h){
+ return this.walls.some(function(wall){
+ var bb = wall.boundingBox
+ , ss = bb.sides ;
+ return ( line.calcY(bb.x1) >= bb.y1 && line.calcY(bb.x2) <= bb.y2 )
+ || ( line.calcX(bb.y1) >= bb.x1 && line.calcX(bb.y2) <= bb.x2 ) ;
+ }, this);
+ },
+
addBlocker : function addBlocker(obj){
this.removeBlocker(obj);
var bb = obj.boundingBox;
return to;
},
+ willComeWithin : function willComeWithin(pt, w,h){
+ if ( !this.owner.midpoint )
+ return false;
+
+ if ( !Y.isNumber(w) ){
+ h = w.height; w = w.width;
+ }
+
+ var cur = this.owner.midpoint
+ , fx = this.calcX(pt.y), fy = this.calcY(pt.x)
+ , t = this.iparametric(cur.x, cur.y)
+ , ft = this.iparametric(fx,fy)
+ , dw = Math.abs(fx - pt.x), dh = Math.abs(fy - pt.y)
+ ;
+ return ( t.x <= ft.x && t.y <= ft.y
+ && ( dw <= w || dh <= h )
+ && !this.pathmap.wallObstructs(this, w,h) );
+ },
toString : function toString(){
return 'T['+this.p1+', '+this.p2+', slope='+this.slope.toFixed(3)+']';
}
// Try to blow up nearby tanks
- var t = this.findNearEnemies(66).shift();
+ var t = this.findNearEnemies(66, true).shift();
if (t) {
// console.log('I gotcha!', t);
this.shoot(t.loc.x, t.loc.y);
return this;
}
-
}
// Nothing to shoot at? Move toward something
},
closestOf : function closestOf(agents){
- if (!agents || !agents.size())
+ if ( !(agents && agents.size()) )
return null;
var manhattan = math.Vec.manhattan
- , bb = this.boundingBox, mid = this.midpoint
- ;
+ , bb = this.boundingBox, mid = this.midpoint ;
+
agents.sort(function(a,b){
return Y.op.cmp(
manhattan(a.loc,mid),
return this.game.pathmap.get(x1,y1, x2,y2).filter(fn, this);
},
- findNearEnemies : function findNearEnemies(ticks){
- return this.findNearLike(ticks, 'Y.is(Tank, _) && _.align !== this.align');
+ findNearEnemies : function findNearEnemies(ticks, wallObs){
+ var bb = this.boundingBox
+ , mid = this.midpoint
+ , pm = this.game.pathmap ;
+ return this.findNearLike(ticks, function(agent){
+ var am = agent.midpoint;
+ return agent.align !== this.align
+ && Y.is(Tank, agent)
+ && !(wallObs
+ && pm.wallObstructs(new Trajectory(this, mid.x,mid.y, am.x,am.y), 6,6));
+ });
},
shoot : function shoot(x,y){
lineWidth : 0.5,
strokeStyle : '#6E6E6E',
+ createTableGrid : true,
+ createCanvasGrid : true,
init : function init(cols,rows, size){
},
drawShape : function drawShape(ctx){
- var tbody = $('<tbody/>')
- , cols = this.cols, rows = this.rows
+ if (this.table) this.table.remove();
+ // if (this.canvas) this.canvas.remove();
+
+ var cols = this.cols, rows = this.rows
, size = this.size
, w = this.canvasWidth
, h = this.canvasHeight
;
- Y(0, rows).forEach(function(y){
- var row = $('<tr class="row row'+y+'" />').appendTo(tbody);
- Y(0, cols).forEach(function(x){
- $('<td class="cell cell'+x+'_'+y+' col'+x+'">'+x+','+y+'</td>')
- .width(size).height(size)
- .appendTo(row);
+ if ( this.createTableGrid ) {
+ var tbody = $('<tbody/>');
+ Y(0, rows).forEach(function(y){
+ var row = $('<tr class="row row'+y+'" />').appendTo(tbody);
+ Y(0, cols).forEach(function(x){
+ $('<td class="cell cell'+x+'_'+y+' col'+x+'">'+x+','+y+'</td>')
+ .width(size).height(size)
+ .appendTo(row);
+ }, this);
}, this);
- }, this);
-
-
- this.table =
- $('<table class="grid" cellspacing="0" cellpadding="0" />')
- .width(this.layerWidth)
- .height(this.layerHeight)
- .append(tbody)
- .prependTo( this.layer );
-
- // this.canvas.remove();
+
+ this.table =
+ $('<table class="grid" cellspacing="0" cellpadding="0" />')
+ .width(this.layerWidth)
+ .height(this.layerHeight)
+ .append(tbody)
+ .prependTo( this.layer );
+
+ } else
+ this.table = null;
- ctx.lineWidth = this.lineWidth;
- ctx.strokeStyle = this.strokeStyle;
-
- for (var row=0, y=0; row<=rows; y = (++row) * size){
- ctx.moveTo(0, y);
- ctx.lineTo(w, y);
- }
-
- for (var col=0, x=0; col<=cols; x = (++col) * size){
- ctx.moveTo(x, 0);
- ctx.lineTo(x, h);
+ if ( this.createCanvasGrid ) {
+ ctx.lineWidth = this.lineWidth;
+ ctx.strokeStyle = this.strokeStyle;
+
+ for (var row=0, y=0; row<=rows; y = (++row) * size){
+ ctx.moveTo(0, y);
+ ctx.lineTo(w, y);
+ }
+
+ for (var col=0, x=0; col<=cols; x = (++col) * size){
+ ctx.moveTo(x, 0);
+ ctx.lineTo(x, h);
+ }
+
+ ctx.stroke();
}
-
- ctx.stroke();
}
});
\ No newline at end of file
#info legend { color:#ccc; font-weight:bold; padding:0 0.5em; }
#info input { width:3em; font-size:0.8em; padding:0.1em; text-align:center; background-color:rgba(0,0,0, 0.2); color:#ccc; border:0; }
#info label { margin-right:1em; }
+#info pre { padding:0.5em; height:5em; font:12px monospace; background-color:rgba(0,0,0, 0.2); color:#ccc; border:0; }
#howto { position:relative; width:600px; margin:1em auto; background-color:#D8D8D8; }
( <input name="x2" value="" type="text">, <input name="y2" value="" type="text"> )
<!--</fieldset>-->
</form>
+ <pre id="inter"></pre>
</div>
<div id="howto" class="rounded">
ROWS = h/PPU; ROWS2 = ROWS/2;
grid = new Grid( COLS, ROWS, PPU ).appendTo(plot);
+grid.createTableGrid = false;
grid.lineWidth = 1.0;
grid.strokeStyle = '#E0E0E0'; //'#EEEEEE'; //
grid.draw();
ctx.translate(w2, h2);
ctx.scale(PPU, PPU);
+
+r = new Loc.Rect(2,6, 4,2);
+R = Rect.fromPoints(r.x1*PPU,-r.y1*PPU, r.x2*PPU,-r.y2*PPU)
+ .fill('rgba(131,187,50, 0.5)')
+ .appendTo(P);
+R.position(R.loc.x+w2, R.loc.y+h2);
+
points = Y([]);
line = mkLine(0,0, 2.3125,1);
addPoint(-5,2);
return false;
});
+
$('form#line, #line input').bind('submit blur', function(evt){
var x1 = parseFloat($('#info [name=x1]').val())
, y1 = parseFloat($('#info [name=y1]').val())
return false;
});
+
});
function updateInfo(){
$('#info [name=y1]').val(line.y1);
$('#info [name=x2]').val(line.x2);
$('#info [name=y2]').val(line.y2);
+ $('#info #inter').text([ 'rect:'+r, 'rect.intersects(line)? '+r.intersects(line) ].join('\n'));
}
function redraw(color){
projects / tanks.git / commitdiff