hextris/js_v7/math.js
2014-08-22 22:10:55 -04:00

14 lines
348 B
JavaScript

function rotatePoint(x, y, theta) {
var thetaRad = theta * (Math.PI / 180);
var rotX = Math.cos(thetaRad) * x - Math.sin(thetaRad) * y;
var rotY = Math.sin(thetaRad) * x + Math.cos(thetaRad) * y;
return {
x: rotX,
y: rotY
};
}
function randInt(min, max) {
return Math.floor((Math.random() * max) + min);
}