Creator JS效果

震屏效果:

// 震屏效果
    // 参数：duration 震屏时间
    shakeEffect: function (node,duration) {
        node.runAction(
            cc.repeatForever(
                cc.sequence(
                    cc.moveTo(0.02, cc.v2(5, 7)),
                    cc.moveTo(0.02, cc.v2(-6, 7)),
                    cc.moveTo(0.02, cc.v2(-13, 3)),
                    cc.moveTo(0.02, cc.v2(3, -6)),
                    cc.moveTo(0.02, cc.v2(-5, 5)),
                    cc.moveTo(0.02, cc.v2(2, -8)),
                    cc.moveTo(0.02, cc.v2(-8, -10)),
                    cc.moveTo(0.02, cc.v2(3, 10)),
                    cc.moveTo(0.02, cc.v2(0, 0))
                )
            )
        );

        setTimeout(() => {
            node.stopAllActions();
            node.setPosition(0,0);
        }, duration*1000);
    },

求旋转角度

    /**
     * 
     * @param {number} x1 参照点x坐标
     * @param {number} y1 参照点y坐标
     * @param {number} x2 目标点x坐标