You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

85 lines
2.6 KiB

import value from './ball.js';
var list = []
var boundary = [[],[]]
function getDistance( x_1, y_1, x_2, y_2){
let x = (x_2 - x_1)*2;
let y = (y_2 - y_1)*2;
let s = Math.pow((x * x + y * y), 0.5);
return s;
}
function sustained(that){
let data = value.list;
let index_1 = 0;
let index_2 = 0;
setInterval(function(){
for (let number = 0; number < data.length; number++) {
data[number].y = data[number].y+( data[number].floating[1] ? 0.05 : -0.05) ;
data[number].floating[0] < 15 ? data[number].floating[0] = data[number].floating[0]+1 : data[number].floating[0] = 1 ;
data[number].floating[0] == 1 ? data[number].floating[1] = !data[number].floating[1] : data[number].floating[1];
value.mapping(that);
for (let i = 0; i < data.length; i++) {
index_1 = getDistance(data[i].x,data[i].y,data[number].x,data[number].y);
index_2 = (data[i].radius*2) + (data[number].radius*2);
if(i != number){
if( index_1 < index_2){
data[i].x = data[i].x+(-(data[number].x-data[i].x)/100) ;
data[i].y = data[i].y+(-(data[number].y-data[i].y)/100) ;
(data[i].x-data[i].radius) < 0 ? data[i].x = data[i].radius : data[i].x;
(data[i].y-data[i].radius) < 0 ? data[i].y = data[i].radius : data[i].y;
(data[i].x+data[i].radius) > value.boundary[0] ? data[i].x = (value.boundary[0]-data[i].radius) : data[i].x;
(data[i].y+data[i].radius) > value.boundary[1] ? data[i].y = (value.boundary[1]-data[i].radius) : data[i].y;
value.mapping(that);
}
}
}
}
},100);
}
function mapping(_this){
let data = value.list
let context = uni.createCanvasContext('canvas',_this);
for (let i = 0; i < data.length; i++) {
context.beginPath();
context.arc(data[i].x, data[i].y, data[i].radius, 0, 2 * Math.PI, true);
context.setFillStyle(data[i].color[data[i].colse ? 1 : 0]);
context.fill();
context.setFillStyle('#FFFFFF');
context.setFontSize(data[i].size);
if(data[i].labelName.length < 6){
context.fillText(data[i].labelName,(data[i].x - (data[i].size*(0.5*data[i].labelName.length))), (data[i].y + data[i].size*(0.5)))
}else{
context.fillText(data[i].labelName.substring(0, 3),(data[i].x - (data[i].size*(0.5*(data[i].labelName.substring(0, 3)).length))),
((data[i].y + data[i].size*(0.5))-data[i].size*(0.8)))
context.fillText(data[i].labelName.substring(3, 6),(data[i].x - (data[i].size*(0.5*(data[i].labelName.substring(3, 6)).length))),
((data[i].y + data[i].size*(0.5))+data[i].size*(0.8)))
}
}
context.draw();
}
export default {mapping,list,sustained,boundary}