CHAPTER 4
Code Explanation
var cheight = 400;
var ctx;
var everything = [];
var tid;
var horvelocity;
var verticalvel1;
var verticalvel2;
var gravity = 2;
var cannonx = 10; x location of cannon
var cannony = 280; y location of cannon
var cannonlength = 200; Cannon length (i.e., width)
var cannonht = 20; Cannon height
var ballrad = 10;
var targetx = 500; x position of target
var targety = 50; y position of target
var targetw = 85; Target width
var targeth = 280; Target height
var htargetx = 450; x position of the hit target
var htargety = 220; y position of the hit target
var htargetw = 355; Hit target width
var htargeth = 96; Hit target height