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collision
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//duplicate code to increase stable behavoir
//https://developer.mozilla.org/en-US/docs/Games/Techniques/2D_collision_detection
//var circle1 = {radius: 20, x: 5, y: 5};
//var circle2 = {radius: 12, x: 10, y: 5};
//1 electrons on 1st rowelectrons
for (var i=0; i<objectinteracted ; i++) {
var dx = xanimals[objectinteracted] - xanimals[i];
var dy = yanimals[objectinteracted] - yanimals[i];
var distance = Math.sqrt(dx * dx + dy * dy);
if ((distance < diameter[objectinteracted]/2 + diameter[i]/2)&&nanimalsshow==true) {
angleRadians = Math.atan2(yanimals[objectinteracted] - yanimals[i], xanimals[objectinteracted] - xanimals[i]);
var spacing=0.1;
xanimals[objectinteracted]= xanimals[objectinteracted]+Math.cos(angleRadians)*spacing;
yanimals[objectinteracted]= yanimals[objectinteracted]+Math.sin(angleRadians)*spacing;
// collision detected!
}
}
// cannot self check ==objectinteracted
for (var i=objectinteracted+1; i<=nanimals ; i++) {
var dx = xanimals[objectinteracted] - xanimals[i];
var dy = yanimals[objectinteracted] - yanimals[i];
var distance = Math.sqrt(dx * dx + dy * dy);
if ((distance < diameter[objectinteracted]/2 + diameter[i]/2)&&nanimalsshow==true) {
angleRadians = Math.atan2(yanimals[objectinteracted] - yanimals[i], xanimals[objectinteracted] - xanimals[i]);
var spacing=0.1;
xanimals[objectinteracted]= xanimals[objectinteracted]+Math.cos(angleRadians)*spacing;
yanimals[objectinteracted]= yanimals[objectinteracted]+Math.sin(angleRadians)*spacing;
// collision detected!
}
}
//1row electrons on 2nd rowelectrons
for (var i=0; i<=nanimals2 ; i++) {
var dx = xanimals[objectinteracted] - xanimals2[i];
var dy = yanimals[objectinteracted] - yanimals2[i];
var distance = Math.sqrt(dx * dx + dy * dy);
if ((distance < diameter[objectinteracted]/2 + diameter2[i]/2)&&nanimalsshow2==true) {
angleRadians = Math.atan2(yanimals[objectinteracted] - yanimals2[i], xanimals[objectinteracted] - xanimals2[i]);
var spacing=0.1;
xanimals[objectinteracted]= xanimals[objectinteracted]+Math.cos(angleRadians)*spacing;
yanimals[objectinteracted]= yanimals[objectinteracted]+Math.sin(angleRadians)*spacing;
// collision detected!
}
}
//1row electrons on 3nd rowelectrons
for (var i=0; i<=nanimals3 ; i++) {
var dx = xanimals[objectinteracted] - xanimals3[i];
var dy = yanimals[objectinteracted] - yanimals3[i];
var distance = Math.sqrt(dx * dx + dy * dy);
if ((distance < diameter[objectinteracted]/2 + diameter3[i]/2)&&nanimalsshow3==true) {
angleRadians = Math.atan2(yanimals[objectinteracted] - yanimals3[i], xanimals[objectinteracted] - xanimals3[i]);
var spacing=0.1;
xanimals[objectinteracted]= xanimals[objectinteracted]+Math.cos(angleRadians)*spacing;
yanimals[objectinteracted]= yanimals[objectinteracted]+Math.sin(angleRadians)*spacing;
}
}
//1row electrons on 4 rowelectrons
for (var i=0; i<=nanimals4 ; i++) {
var dx = xanimals[objectinteracted] - xanimals4[i];
var dy = yanimals[objectinteracted] - yanimals4[i];
var distance = Math.sqrt(dx * dx + dy * dy);
if ((distance < diameter[objectinteracted]/2 + diameter4[i]/2)&&nanimalsshow4==true) {
angleRadians = Math.atan2(yanimals[objectinteracted] - yanimals4[i], xanimals[objectinteracted] - xanimals4[i]);
var spacing=0.1;
xanimals[objectinteracted]= xanimals[objectinteracted]+Math.cos(angleRadians)*spacing;
yanimals[objectinteracted]= yanimals[objectinteracted]+Math.sin(angleRadians)*spacing;
// collision detected!
}
}
//1row electrons on 5th rowelectrons
for (var i=0; i<=nanimals5 ; i++) {
var dx = xanimals[objectinteracted] - xanimals5[i];
var dy = yanimals[objectinteracted] - yanimals5[i];
var distance = Math.sqrt(dx * dx + dy * dy);
if ((distance < diameter[objectinteracted]/2 + diameter5[i]/2)&&nanimalsshow5==true) {
angleRadians = Math.atan2(yanimals[objectinteracted] - yanimals5[i], xanimals[objectinteracted] - xanimals5[i]);
var spacing=0.1;
xanimals[objectinteracted]= xanimals[objectinteracted]+Math.cos(angleRadians)*spacing;
yanimals[objectinteracted]= yanimals[objectinteracted]+Math.sin(angleRadians)*spacing;
// collision detected!
}
}