战斗游戏中相关的移动，角度

hacker

移动

 /**
     * 移动到目标
     * @param dt 
     */
    moveToTarget(dt: number) {
        let targetPos = this._findTarget.getPosition();
        let nodePos = this.node.getPosition();
        let vector = new Vec3();
        Vec3.subtract(vector, targetPos, nodePos);
        let dir = vector.normalize();
        let moveVec = dir.multiplyScalar(this._moveSpeed * dt);
        let temPos = this.node.getPosition().add(moveVec);
        this.setHeroDir(dir);
        //设置武器指向
        this.setWeaponAngle(dir);
        //检测是否有障碍
        if (!this.checkBlockObstacle(temPos, dir)) {
            //检测是否到达目标位置
            if (this.checkToTarget(temPos)) {
                //开始攻击
                this._isAttacking = true;
            }
            this.node.setPosition(this.node.getPosition().add(moveVec));
        }
    }

怪物分散

 public repulsionRadius: number = 80; // 排斥作用半径
    public repulsionForce: number = 100; // 排斥力度


// 排斥力计算
    private applyRepulsion(dt: number) {
        const allMonsters = MapData.Instance.getAllMonsterItems();
        const currentPos = this.node.getPosition();
        for (const monster of allMonsters) {
            if (monster.uuid === this.node.uuid) continue;
            let targetPos = monster.getPosition();
            let vector = new Vec3();
            Vec3.subtract(vector, currentPos, targetPos);
            let distance = vector.length();
            let dir = distance > 0 ? vector.clone().normalize() : new Vec3(Math.random() - 0.5, Math.random() - 0.5, 0,);
            if (distance < this.repulsionRadius && distance >= 0) {
                // 距离越近排斥力越大
                if (!this._isAttacking) {
                    const force = (1 - distance / this.repulsionRadius) * this.repulsionForce;
                    let moveVec = dir.multiplyScalar(force * dt);
                    this.node.setPosition(this.node.getPosition().add(moveVec));
                }
            }
        }
    }

 protected childUpdate(dt: number): void {
        // 排斥力
        this.applyRepulsion(dt);
}