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  • ccc 函数中写函数

        attackOnTarget: function (atkDir, targetPos) {
            var self = this;
            let deg = cc.radiansToDegrees(cc.pAngleSigned(cc.p(0, 1), atkDir));
            let angleDivider = [0, 12, 35, 56, 79, 101, 124, 146, 168, 180];
            function getAtkSF(mag, sfAtkDirs) {
                let atkSF = null;
                for (let i = 1; i < angleDivider.length; ++i) {
                    let min = angleDivider[i - 1];
                    let max = angleDivider[i];
                    if (mag <= max && mag > min) {
                        atkSF = sfAtkDirs[i - 1];
                        self.nextPoseSF = self.sfPostAtks[Math.floor(( i - 1 )/3)];
                        return atkSF;
                    }
                }
                if (atkSF === null) {
                    console.error('cannot find correct attack pose sprite frame! mag: ' + mag);
                    return null;
                }
            }
    
            let mag = Math.abs(deg);
            if (deg <= 0) {
                this.spPlayer.node.scaleX = 1;
                this.spPlayer.spriteFrame = getAtkSF(mag, this.sfAtkDirs);
            } else {
                this.spPlayer.node.scaleX = -1;
                this.spPlayer.spriteFrame = getAtkSF(mag, this.sfAtkDirs);
            }
    
            let moveAction = cc.moveTo(this.atkDuration, targetPos).easing(cc.easeQuinticActionOut());
            let callback = cc.callFunc(this.onAtkFinished, this);
            this.node.runAction(cc.sequence(moveAction, callback));
            this.inputEnabled = false;
            this.isAttacking = true;
        },
    
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  • 原文地址:https://www.cnblogs.com/yufenghou/p/5552469.html
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