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updated 添加4个NPC角色，实现多NPC包抄玩家功能

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This commit is contained in:
郑浩乐
2016-01-06 16:12:22 +08:00
parent 6ad13f8bd4
commit ec1289d3f4
2 changed files with 146 additions and 114 deletions
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240
index.js
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@@ -339,120 +339,140 @@
context.fill();
}
});
var pos = map.coord2position(12,14);
stage.createItem({
x:pos.x,
y:pos.y,
width:30,
height:30,
type:2,
frames:10,
speed:1,
update:function(){
if(!this.coord.offset){
this.path = map.finder({
start:this.coord,
end:player.coord
});
if(this.path.length){
this.vector = this.path[0];
if(this.vector.change){ //是否转变方向
this.coord.x = this.vector.x;
this.coord.y = this.vector.y;
var pos = map.coord2position(this.coord.x,this.coord.y);
this.x = pos.x;
this.y = pos.y;
var NPC_COLOR = ['#96F','#6C6','#C30','#3C9'];
for(var i=0;i<4;i++){
var pos = map.coord2position(12+i,14);
stage.createItem({
x:pos.x,
y:pos.y,
width:30,
height:30,
color:NPC_COLOR[i],
type:2,
frames:10,
speed:1,
update:function(){
if(!this.coord.offset){
var new_map = [];
for(var j=0;j<map.data.length;j++){
new_map[j]=[];
for(var k=0;k<map.data[0].length;k++){
new_map[j][k]=map.data[j][k];
}
}
var items = stage.getItemsByType(2);
var index = this.index;
items.forEach(function(item){
if(item.coord.y&&item.index!=index){
new_map[item.coord.y][item.coord.x]=1;
}
});
this.path = map.finder({
map:new_map,
start:this.coord,
end:player.coord
});
if(this.path.length){
this.vector = this.path[0];
if(this.vector.change){ //是否转变方向
this.coord.x = this.vector.x;
this.coord.y = this.vector.y;
var pos = map.coord2position(this.coord.x,this.coord.y);
this.x = pos.x;
this.y = pos.y;
}
}
if(this.vector.x>this.coord.x){
this.orientation = 1;
}else if(this.vector.x<this.coord.x){
this.orientation = 3;
}else if(this.vector.y>this.coord.y){
this.orientation = 2;
}else if(this.vector.y<this.coord.y){
this.orientation = 0;
}
}
if(this.vector.x>this.coord.x){
this.orientation = 1;
}else if(this.vector.x<this.coord.x){
this.orientation = 3;
}else if(this.vector.y>this.coord.y){
this.orientation = 2;
}else if(this.vector.y<this.coord.y){
this.orientation = 0;
switch(this.orientation){
case 0:
this.y-=this.speed;
break;
case 1:
this.x+=this.speed;
break;
case 2:
this.y+=this.speed;
break;
case 3:
this.x-=this.speed;
break;
}
},
draw:function(context){
context.fillStyle = this.color;
context.beginPath();
context.arc(this.x,this.y,this.width*.5,0,Math.PI,true);
switch(this.times%2){
case 0:
context.lineTo(this.x-this.width*.5,this.y+this.height*.4);
context.quadraticCurveTo(this.x-this.width*.4,this.y+this.height*.5,this.x-this.width*.2,this.y+this.height*.3);
context.quadraticCurveTo(this.x,this.y+this.height*.5,this.x+this.width*.2,this.y+this.height*.3);
context.quadraticCurveTo(this.x+this.width*.4,this.y+this.height*.5,this.x+this.width*.5,this.y+this.height*.4);
break;
case 1:
context.lineTo(this.x-this.width*.5,this.y+this.height*.3);
context.quadraticCurveTo(this.x-this.width*.25,this.y+this.height*.5,this.x,this.y+this.height*.3);
context.quadraticCurveTo(this.x+this.width*.25,this.y+this.height*.5,this.x+this.width*.5,this.y+this.height*.3);
break;
}
context.fill();
context.closePath();
context.fillStyle = '#FFF';
context.beginPath();
context.arc(this.x-this.width*.15,this.y-this.height*.21,this.width*.12,0,2*Math.PI,false);
context.fill();
context.closePath();
context.beginPath();
context.arc(this.x+this.width*.15,this.y-this.height*.21,this.width*.12,0,2*Math.PI,false);
context.fill();
context.closePath();
context.fillStyle = '#000';
switch(this.times%4){
case 2:
case 0:
context.beginPath();
context.arc(this.x-this.width*.15,this.y-this.height*.27,this.width*.07,0,2*Math.PI,false);
context.fill();
context.closePath();
context.beginPath();
context.arc(this.x+this.width*.15,this.y-this.height*.27,this.width*.07,0,2*Math.PI,false);
context.fill();
context.closePath();
break;
case 1:
context.beginPath();
context.arc(this.x-this.width*.17,this.y-this.height*.25,this.width*.07,0,2*Math.PI,false);
context.fill();
context.closePath();
context.beginPath();
context.arc(this.x+this.width*.13,this.y-this.height*.25,this.width*.07,0,2*Math.PI,false);
context.fill();
context.closePath();
break;
case 3:
context.beginPath();
context.arc(this.x-this.width*.13,this.y-this.height*.25,this.width*.07,0,2*Math.PI,false);
context.fill();
context.closePath();
context.beginPath();
context.arc(this.x+this.width*.17,this.y-this.height*.25,this.width*.07,0,2*Math.PI,false);
context.fill();
context.closePath();
break;
}
}
switch(this.orientation){
case 0:
this.y-=this.speed;
break;
case 1:
this.x+=this.speed;
break;
case 2:
this.y+=this.speed;
break;
case 3:
this.x-=this.speed;
break;
}
},
draw:function(context){
context.fillStyle = '#F00';
context.beginPath();
context.arc(this.x,this.y,this.width*.5,0,Math.PI,true);
switch(this.times%2){
case 0:
context.lineTo(this.x-this.width*.5,this.y+this.height*.4);
context.quadraticCurveTo(this.x-this.width*.4,this.y+this.height*.5,this.x-this.width*.2,this.y+this.height*.3);
context.quadraticCurveTo(this.x,this.y+this.height*.5,this.x+this.width*.2,this.y+this.height*.3);
context.quadraticCurveTo(this.x+this.width*.4,this.y+this.height*.5,this.x+this.width*.5,this.y+this.height*.4);
break;
case 1:
context.lineTo(this.x-this.width*.5,this.y+this.height*.3);
context.quadraticCurveTo(this.x-this.width*.25,this.y+this.height*.5,this.x,this.y+this.height*.3);
context.quadraticCurveTo(this.x+this.width*.25,this.y+this.height*.5,this.x+this.width*.5,this.y+this.height*.3);
break;
}
context.fill();
context.closePath();
context.fillStyle = '#FFF';
context.beginPath();
context.arc(this.x-this.width*.15,this.y-this.height*.21,this.width*.12,0,2*Math.PI,false);
context.fill();
context.closePath();
context.beginPath();
context.arc(this.x+this.width*.15,this.y-this.height*.21,this.width*.12,0,2*Math.PI,false);
context.fill();
context.closePath();
context.fillStyle = '#00F';
switch(this.times%4){
case 2:
case 0:
context.beginPath();
context.arc(this.x-this.width*.15,this.y-this.height*.27,this.width*.07,0,2*Math.PI,false);
context.fill();
context.closePath();
context.beginPath();
context.arc(this.x+this.width*.15,this.y-this.height*.27,this.width*.07,0,2*Math.PI,false);
context.fill();
context.closePath();
break;
case 1:
context.beginPath();
context.arc(this.x-this.width*.17,this.y-this.height*.25,this.width*.07,0,2*Math.PI,false);
context.fill();
context.closePath();
context.beginPath();
context.arc(this.x+this.width*.13,this.y-this.height*.25,this.width*.07,0,2*Math.PI,false);
context.fill();
context.closePath();
break;
case 3:
context.beginPath();
context.arc(this.x-this.width*.13,this.y-this.height*.25,this.width*.07,0,2*Math.PI,false);
context.fill();
context.closePath();
context.beginPath();
context.arc(this.x+this.width*.17,this.y-this.height*.25,this.width*.07,0,2*Math.PI,false);
context.fill();
context.closePath();
break;
}
}
});
});
}
stage.bind('keydown',function(e){
player.control = {orientation:MAP_ORIENTATION[e.keyCode]};
});