Combining Bitmaps and Sound - HTML5 Canvas - page 482

}else if (player.y<-player.height){
player.y = yMax;
}
}
function updatePlayerMissiles() {
var tempPlayerMissile = {};
var playerMissileLength=playerMissiles.length-1;
//ConsoleLog.log("update playerMissileLength=" + playerMissileLength);
for (var playerMissileCtr=playerMissileLength;playerMissileCtr>=0;
playerMissileCtr--){
//ConsoleLog.log("update player missile" + playerMissileCtr)
tempPlayerMissile = playerMissiles[playerMissileCtr];
tempPlayerMissile.x += tempPlayerMissile.dx*frameRateCounter.step;;
tempPlayerMissile.y += tempPlayerMissile.dy*frameRateCounter.step;;
if (tempPlayerMissile.x > xMax) {
tempPlayerMissile.x =- tempPlayerMissile.width;
}else if (tempPlayerMissile.x<-tempPlayerMissile.width){
tempPlayerMissile.x = xMax;
}
if (tempPlayerMissile.y > yMax) {
tempPlayerMissile.y =- tempPlayerMissile.height;
}else if (tempPlayerMissile.y<-tempPlayerMissile.height){
tempPlayerMissile.y = yMax;
}
tempPlayerMissile.lifeCtr++;
if (tempPlayerMissile.lifeCtr > tempPlayerMissile.life){
//ConsoleLog.log("removing player missile");
playerMissiles.splice(playerMissileCtr,1)
tempPlayerMissile = null;
}
}
}
function updateRocks(){
var tempRock = {};
var rocksLength = rocks.length-1;
//ConsoleLog.log("update rocks length=" + rocksLength);
for (var rockCtr=rocksLength;rockCtr>=0;rockCtr--){
tempRock = rocks[rockCtr]
tempRock.x += tempRock.dx*frameRateCounter.step;
tempRock.y += tempRock.dy*frameRateCounter.step;
tempRock.animationCount++;
if (tempRock.animationCount > tempRock.animationDelay){
tempRock.animationCount = 0;
tempRock.rotation += tempRock.rotationInc;
if (tempRock.rotation > 4){
tempRock.rotation = 0;
}else if (tempRock.rotation <0){
tempRock.rotation = 4;