范例 collider/Platform 里面 有些代码 没看懂
希望 有大神可以解释一下
在这个方法里面
onCollisionEnter: function(){
//从76行开始——到87行结束，不知道 这个是啥意思啊，求大神指导
var otherAabb = other.world.aabb;
var otherPreAabb = other.world.preAabb.clone();
var selfAabb = self.world.aabb;
var selfPreAabb = self.world.preAabb.clone();
// 2nd step
// forward x-axis, check whether collision on x-axis
selfPreAabb.x = selfAabb.x;
otherPreAabb.x = otherAabb.x;
//89行开始，到——102行结束，也是不知道 啥意思，真心希望 注释 完备一点啊
if (cc.Intersection.rectRect(selfPreAabb, otherPreAabb)) {
if (this.speed.x < 0 && (selfPreAabb.xMax > otherPreAabb.xMax)) {
this.node.x = otherPreAabb.xMax - this.node.parent.x;
this.collisionX = -1;
}
else if (this.speed.x > 0 && (selfPreAabb.xMin < otherPreAabb.xMin)) {
this.node.x = otherPreAabb.xMin - selfPreAabb.width - this.node.parent.x;
this.collisionX = 1;
}
this.speed.x = 0;
other.touchingX = true;
return;
}
//从104开始 到——122结束 求 指导
// 3rd step
// forward y-axis, check whether collision on y-axis
selfPreAabb.y = selfAabb.y;
otherPreAabb.y = otherAabb.y;
if (cc.Intersection.rectRect(selfPreAabb, otherPreAabb)) {
if (this.speed.y < 0 && (selfPreAabb.yMax > otherPreAabb.yMax)) {
this.node.y = otherPreAabb.yMax - this.node.parent.y;
this.jumping = false;
this.collisionY = -1;
}
else if (this.speed.y > 0 && (selfPreAabb.yMin < otherPreAabb.yMin)) {
this.node.y = otherPreAabb.yMin - selfPreAabb.height - this.node.parent.y;
this.collisionY = 1;
}
this.speed.y = 0;
other.touchingY = true;
}
}